| Entries |
| Document | Title | Date |
|---|
| 20080196901 | Self-Aligning Open-Hole Tractor - A downhole tractor assembly that is configured for open-hole applications and of a self-aligning nature. The self-aligning nature of the assembly is effectuated through a tractor portion which is rotable about an axis of an elongated body of the assembly independent of a separate centralizing portion of the assembly. That is, the tractor portion, configured for interfacing an open-hole well wall of potentially irregular morphology, is independently rotable so as to maintain a position of substantially optimized driving friction at the interface during tractoring. Maintenance of optimized driving friction in this manner may occur irrespective of the orientation of the centralizing portion of the assembly. | 08-21-2008 |
| 20080196902 | Wireline or coiled tubing deployed electric submersible pump - An electric submersible pump and motor assembly for downhole applications, comprises an electric motor, a pump driven by the electric motor, a deployment line upon which the electric motor and pump may be lowered down through a production tube, and a sealing means for sealing the assembly against the production tube, the motor having a stationary non-rotating through bore, the assembly having an inlet beneath the sealing means through which well bore fluid flows, which leads through the pump and the stationary non-rotating through bore of the motor, and an outlet open to the well bore above the sealing means through which the well bore fluid exits. The outlet is located beneath junction between the deployment line and the assembly. The deployment line includes a power cable. | 08-21-2008 |
| 20080202766 | Pressure Activated Locking Slot Assembly - A locking slot assembly may include a slot, a lug configured to move within the slot, and a lock configured to prevent the lug from moving within the slot until a triggering event occurs. The lock may be further configured to allow the lug to move within the slot after the triggering event has occurred, so long as a predetermined condition is maintained. The triggering event may be the application of a predetermined pressure, and the predetermined condition may be a minimum pressure. | 08-28-2008 |
| 20080202767 | Drill Pipe Conveyance System for Slim Logging Tool - A well logging instrument deployment device includes a housing configured to be coupled to a pipe string. A carrier sub is disposed inside the housing and configured to move longitudinally inside the housing. At least one well logging instrument is coupled to the carrier sub. A latch is configured to retain the well logging instrument and carrier sub in a first longitudinal position along the housing such that the well logging instrument is disposed entirely inside the housing. The latch is configured to retain the well logging instrument and carrier in a second position such that at least a portion of the well logging instrument extends outwardly from the housing. | 08-28-2008 |
| 20080202768 | Device for Selective Movement of Well Tools and Also a Method of Using Same - The present invention relates to a device for the selective movement of a well tool ( | 08-28-2008 |
| 20080236841 | Downhole Swivel Sub - A swivel sub for connection in a work string between a workstring and a downhole apparatus is disclosed. The sub has a first substantially cylindrical body, including a sleeve portion having one or more teeth and a second substantially cylindrical body being partially located within the sleeve portion. The bodies are arranged to rotate relative to each other. A sliding sleeve, having one or more teeth arranged mutually engage with the first teeth is axially moveable between disengaged and engaged positions, in one embodiment by a pressure differential being created in the sub. Methods of running the tool are described, with particular application to setting and hanging of liners and screens. The invention also offers advantages for drilling applications. | 10-02-2008 |
| 20080236842 | DOWNHOLE OILFIELD APPARATUS COMPRISING A DIAMOND-LIKE CARBON COATING AND METHODS OF USE - Downhole apparatus and methods of using the apparatus are described, the apparatus comprising at least one metallic component having a DLC coating thereon, the coating present at least on one or more internal passageways of the base metal or alloy to be exposed to downhole environments. Methods of using an apparatus in downhole oilfield operations are also described. This abstract allows a searcher or other reader to quickly ascertain the subject matter of the disclosure. It will not be used to interpret or limit the scope or meaning of the claims. | 10-02-2008 |
| 20080245535 | Actuation tool - An actuation tool includes a mandrel; at least one protrusion in the mandrel representing a deformation of the material of the mandrel resulting in the mandrel having a lesser axial dimension than it does with the protrusion removed or diminished; and a fluid inlet positioned to facilitate application of pressure to one of an inside or outside surface of the mandrel and method. | 10-09-2008 |
| 20080245536 | Apparatus and method for delivering a conductor downhole - A conductor delivery arrangement includes a length of feedable tubing; a landing tool in operable communication with the feedable tubing; and a conductor in operable communication with the landing tool and method. | 10-09-2008 |
| 20080264649 | Modular well servicing combination unit - A single well servicing combination unit comprising: a hydraulic manifold removably connectable to the power-take-off of a power source to drive a plurality of hydraulic pumps and motors that control a plurality of well servicing modules that are removably mounted on said combination unit, said well servicing modules being interconnectable by plumbing. | 10-30-2008 |
| 20080264650 | Method And Apparatus To Position And Protect Control Lines Being Coupled To A Pipe String On A Rig - A control line positioning apparatus ( | 10-30-2008 |
| 20080283252 | SYSTEM AND METHOD FOR MULTI-ZONE WELL TREATMENT - A technique is provided for treating a plurality of well zones with a service tool during a single trip downhole. The service tool is run downhole to a selected well zone that is isolated for treatment. Following treatment of the well zone, the service tool is moved to a subsequent well zone isolated for treatment. When the lengths of the well zones to be treated are dissimilar, the active length of the service tool can be adjusted to correspond with the well zone length to optimize the well treatment operation. | 11-20-2008 |
| 20080283253 | Expandable Centralizer For Expandable Pipe String - A close-tolerance expandable bow spring centralizer | 11-20-2008 |
| 20080296029 | DEBRIS CONTROL ARRANGEMENT FOR A WHIPSTOCK AND METHOD - A whipstock includes a whipstock body having a diverter face; and a swellable material disposed about the whipstock body and configured, positioned and dimensioned to interact with an inside dimension of a borehole in which the whipstock is run and method. | 12-04-2008 |
| 20080308279 | Apparatus and Method for Unsticking a Downhole Tool - A downhole tool is provided including apparatus for unsticking the tool from the wall or a borehole. The tool may include a housing defining a longitudinal axis and a sleeve coupled to the housing and mounted for rotation relative to the housing, the sleeve having an exterior surface including at least one projection extending radially outwardly with respect to the longitudinal axis. A transmission mechanism may be coupled to and adapted to rotate the sleeve, and a motor may be coupled to the transmission mechanism. A method for unsticking the downhole tool by rotating a sleeve is also disclosed. | 12-18-2008 |
| 20090020293 | DOWNHOLE LINEAR ACTUATION APPARATUS AND METHOD - A linear actuation apparatus for controlling fluid flow in a wellbore comprises a tubular manifold for conducting fluid through a portion thereof when disposed in the wellbore, and a shaft supported for reciprocal axial movement within the manifold. A valve seat is supported within the manifold in substantial alignment with the shaft, and a valve closure element is carried by the shaft for reciprocal axial movement therewith between a closed position preventing fluid flow across the valve seat and an opened position permitting fluid flow across the valve seat. A magnetic element is also carried by the shaft for reciprocal axial movement therewith. A pair of springs are each carried on opposing sides of the magnetic element such that one of the springs is compressed by and applies an axial force to the shaft under the movement of the shaft from a neutral position. A compound magnet is carried by the manifold about the magnetic element for applying an axial force to the magnetic element that together with the axial force of the compressed spring(s) and fluid pressure within the manifold control movement of the shaft and the valve closure element. Aspects of the apparatus define a linear actuator and a related linear actuation method. | 01-22-2009 |
| 20090025941 | Apparatus and Methods to Perform Operations in a Wellbore Using Downhole Tools Having Movable Sections - Apparatus and methods to perform operations in a wellbore using downhole tools having movable sections are described. In one described example, a downhole tool for use in a wellbore includes a first extendable anchor to contact a wall of the wellbore to fix the tool at a location in the wellbore. The downhole tool also includes a first tool of the downhole tool to perform a first operation at the location in the wellbore, and a second tool of the downhole tool spaced from the first tool and to perform a second operation. Additionally, the downhole tool includes an extendable member to move the second tool to the location while the anchor is in contact with the wall of the wellbore to perform the second operation after the first operation. | 01-29-2009 |
| 20090025942 | Borehole Liner - A system for forming a liner downhole within a well bore has a rig comprising a tool string driving mechanism and an aperture proximate an opening of a well bore. The system also has first and second tool string components and each component has a central bore disposed intermediate first and second tool joints of the component. The first tool joint of the first component is disposed proximate the aperture and the second tool joint of the second component. First and second resilient lining materials are disposed within the central bore of the first and second tool string components respectively. At least one lining material connecting mechanism is disposed proximate the aperture. The system also comprises at least one downhole dispenser that is adapted to direct a resilient continuous lining material against the well bore to form a liner. | 01-29-2009 |
| 20090078431 | Systems and Methods for Providing Access to Wireline Communication Equipment - Systems and methods for providing access to wireline communication equipment are disclosed. Exemplary methods include positioning the wireline communication equipment at least partly below ground level, positioning an electric-powered lifting device near the wireline communication equipment and at least partly below the ground level, connecting the electric-powered lifting device to the wireline communication equipment, and configuring the lifting device to lift the wireline communication equipment above the ground level when access to the wireline communication equipment is desired. | 03-26-2009 |
| 20090090514 | OPEN-HOLE WELLBORE LINING - Embodiments of the present invention provide systems and methods for lining a wellbore. In certain aspects, the systems and methods comprise providing a fluid composition that is solidifiable or gellable on exposure to actinic radiation of a predetermined wavelength at the wall of open-hole wellbore and providing actinic radiation at the predetermined wavelength to solidify or gel the composition. | 04-09-2009 |
| 20090095489 | Apparatus for gripping a downhole tubular - A downhole tubular gripping and suspending apparatus adapted for gripping a downhole tubular and suspending said downhole tubular from said apparatus. The apparatus has a housing ( | 04-16-2009 |
| 20090107686 | SETTING TOOL FOR EXPANDABLE LINER HANGER AND ASSOCIATED METHODS - A setting tool for an expandable liner hanger. A method includes the steps of: releasably securing the setting tool to the hanger, the setting tool including an expansion cone for displacing through the hanger; and conveying the setting tool and hanger into the well on a generally tubular work string while no portion of the hanger extends longitudinally between the expansion cone and the work string. A setting tool includes an expansion cone, which is displaceable through the liner hanger to expand the hanger; at least one piston positioned on one side of the expansion cone; and an anchoring device for releasably securing the setting tool to the liner hanger, the anchoring device being positioned on an opposite side of the expansion cone. The expansion cone is pressure balanced between its two sides when the expansion cone is displaced through the liner hanger. | 04-30-2009 |
| 20090114400 | Downhole resettable clutch swivel - A top sub for connection to a production well tubing string is movable between an engaged position and a disengaged position relative to a mandrel. The engaged position allows an anchor to be set in a well casing by rotating the tubing string. Tension can be applied to the tubing string to move the top sub to the disengaged position, allowing the tubing string to be rotated without rotating the mandrel. The anchor can be moved to a different position, without pulling the tubing string to the surface, by removing tension from the tubing string to move the top sub from the disengaged position to the engaged position, rotating the tubing string in an opposite direction to release the anchor, and resetting the anchor by again rotating the tubing string. Embodiments in which a sealed internal volume of the swivel remains constant are also disclosed. | 05-07-2009 |
| 20090139731 | Drilling device and drilling method - The invention relates to a drilling device and a related drilling method, in which provision is made for a mast, a drilling carriage that is guided along the mast in a displaceable manner and a drive unit for moving the drilling carriage on the mast. In accordance with the invention the drive unit has both a hydraulic cylinder drive and a rope winch drive. The drilling carriage can be coupled with the hydraulic cylinder drive and with the rope winch drive. | 06-04-2009 |
| 20090166045 | HARVESTING VIBRATION FOR DOWNHOLE POWER GENERATION - A system that is usable with a subterranean well includes a winding, a member and a circuit. The winding is located downhole in the well, and the member moves relative to the winding in response to vibration occurring in the well to cause a signal to be generated on the winding. The circuit is coupled to the winding to respond to the signal to provide power to operate a component located downhole in the well. | 07-02-2009 |
| 20090188675 | DRILLING RIGS WITH APPARATUS IDENTIFICATION SYSTEMS AND METHODS - A rig for wellbore operations which has a rig floor, at least one mat on the rig floor, and energizing apparatus in or on the at least one mat for energizing wave-energizable apparatus on an item movable with respect to the rig. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b). | 07-30-2009 |
| 20090229837 | FLOWBACK TOOL - In one embodiment, a flowback tool for running a tubular string into a wellbore includes a tubular housing having a bore therethrough and a tubular mandrel. The mandrel: has a bore therethrough in communication with the housing bore, is longitudinally movable relative to the housing, is torsionally coupled to the housing, and has a threaded coupling for engaging a threaded coupling of the tubular string. The flowback tool further includes a nose: longitudinally coupled to the housing, operable to receive an end of the tubular string, and including a seal operable to engage a surface of the tubular string, thereby providing fluid communication between a bore of the tubular string and the mandrel bore. The flowback tool further includes an actuator operable to move the mandrel and the nose longitudinally relative to the housing for engaging and disengaging the tubular string. | 09-17-2009 |
| 20090272543 | Tubular Running Devices and Methods - One example of an apparatus for gripping and rotating a tubular includes a mandrel having a longitudinal axis; a first slip disposed on the mandrel; and a second slip disposed on the mandrel axially spaced apart from the first slip, the first slip and second slip operationally connected to move in unison axially; wherein when the first slip and the second slip are moved axially from a first point toward a second point the first and second slips extend radially into gripping contact with the tubular and wherein rotation of the mandrel further urges the second slip radially away from the mandrel. | 11-05-2009 |
| 20090308617 | WELLBORE INSTRUMENT MODULE HAVING MAGNETIC CLAMP FOR USE IN CASED WELLBORES - A magnetically clamped wellbore instrument module includes a substantially non-magnetic housing configured to traverse an interior of the wellbore. At least one electromagnet is disposed at a longitudinally spaced apart position along the housing. The at least one electromagnet has a plurality of circumferentially spaced apart contact points that define a diameter greater than a diameter of the housing. The contact points have circumferential spaces therebetween defining a diameter smaller than the diameter defined by the contact points. | 12-17-2009 |
| 20090314497 | Thermally expansive fluid actuator devices for downhole tools and methods of actuating downhole tools using same - An actuator device for setting a downhole tool is disclosed. The actuator device comprises a thermally expansive fluid within a chamber. Application of heat to the thermally expansive fluid causes the thermally expansive fluid to expand. In so doing, pressure within the chamber increases causing the downhole tool to be actuated such as by the thermally expansive fluid applying pressure directly to the actuating member or indirectly by allowing hydrostatic wellbore pressure to be allowed to act directly with the actuating member. | 12-24-2009 |
| 20100025047 | METHOD AND APPARATUS FOR RETRIEVING AN ASSEMBLY FROM A WELLBORE - A method and apparatus for retrieving an assembly having a whipstock and an anchor from a wellbore. A method of retrieving an assembly having a whipstock coupled to an anchor from a wellbore may comprise the steps of releasing the whipstock from the anchor in the wellbore, re-engaging the whipstock to the anchor, and retrieving the whipstock with the anchor from the wellbore. An apparatus for use in a wellbore may comprise a whipstock, a latch coupled to the whipstock, and an anchor operable to be selectively retrieved from the wellbore using the latch. | 02-04-2010 |
| 20100044055 | Well Tool Latching System - A system for securing well tools, such as gas lift valves, into a latching profile within a wellbore. A gas lift valve is provided having a latching arrangement wherein an apertured back-up ring is used to provide stability for the locking lugs throughout the process of latching and unlatching the gas lift valve. | 02-25-2010 |
| 20100044056 | Method of Activating a Downhole Tool Assembly - A method of activating a downhole tool assembly. The downhole tool assembly has a sleeve with a continuous j-slot, a lug rotator ring configured to move axially relative to the sleeve and having a lug configured to move within the continuous j-slot, and a rupture disk configured to prevent the lug from moving within the continuous j-slot during run-in. The method includes lowering the downhole tool assembly into a well bore on a tool string, rupturing the rupture disk, allowing the lug to move within the continuous j-slot, and setting the downhole tool assembly by lifting upward and pushing downward on the tool string. | 02-25-2010 |
| 20100044057 | Treatment Fluids Comprising Pumicite and Methods of Using Such Fluids in Subterranean Formations - Methods and compositions for the treatment of subterranean formations, and more specifically, treatment fluids containing pumicite and methods of using these treatment fluids in subterranean formations, are provided. An example of a method is a method of displacing a fluid in a well bore. Another example of a method is a method of separating fluids in a well bore in a subterranean formation. An example of a composition is a spacer fluid comprising pumicite and a base fluid. | 02-25-2010 |
| 20100065283 | Release Device - The present invention relates to a downhole system comprising a driving unit ( | 03-18-2010 |
| 20100071909 | Devices, Systems and Methods Relating to Down Hole Operations - A device for improving down hole operations includes a tube that delivers high pressure jets of fluid against the interior surface of a well casing and optionally into perforations of the well casing. The tube also includes a helical array of brushes that scrape and scratch accumulated residue from the interior surface of a well casing and optionally into perforations of the well casing. A method for improving down hole operations includes moving the device into a bend or turn in an existing well casing string and retracting a nozzle or brush to facilitate passage of the device past the bend or turn. | 03-25-2010 |
| 20100126732 | DOWNHOLE DECELERATING DEVICE, SYSTEM AND METHOD - Disclosed herein is a downhole decelerating device. The device includes, a body movably engagable within a downhole tubular, a mandrel longitudinally movably disposed at the body, and at least one deceleration element disposed at the body in operable communication with the mandrel such that longitudinal movement of the mandrel with respect to the body causes controlled radial movement of the at least one deceleration element to decelerate the decelerating device in relation to the downhole tubular | 05-27-2010 |
| 20100132957 | DOWNHOLE SHAPE MEMORY ALLOY ACTUATOR AND METHOD - A downhole actuator includes, a sleeve, a mandrel, and at least one of the sleeve and the mandrel is in operable communication with a downhole tool to be actuated. The actuator further includes, a follower disposed at one of the sleeve and the mandrel, a pathway disposed at the other of the sleeve and the mandrel, the pathway being receptive to the follower and configured to cause rotational motion and limit a stroke length between the sleeve and the mandrel in response to longitudinal motion between the follower and the pathway. The actuator also has a shape memory alloy in operable communication with the sleeve and the mandrel configured to longitudinally move the sleeve in relation to the mandrel in response to temperature changes thereof. | 06-03-2010 |
| 20100132958 | EXPANDABLE TUBULAR INSTALLATION SYSTEMS, METHODS, AND APPARATUS - Systems, apparatus and well intervention methods are described. Tubular member radial expansion apparatus includes a support member having forward and rearward ends; a drive unit and an expansion member disposed on the support member providing force for propelling the expansion member through an expandable tubular and expanding it, the drive unit disposed rearward of the expansion member; front and rear anchors disposed on the support member for engaging the expandable tubular's ID to provide reaction forces to propagate the expansion member through the expandable tubular, the rear anchor positioned behind the drive unit and providing its reaction force after the front anchor has exited the expandable tubular; a casing lock disposed on the support member and positioned between the expansion member and the front anchor, securing the expandable tubular to the support member during running-in-hole (RIH); and a valve attached to the forward end of the expandable tubular. | 06-03-2010 |
| 20100163248 | Pipe handling apparatus - An arbor arranged for attachment to overhead support, such as a top drive or main rig hoist, is arranged to resiliently support a main body. The main body is arranged to support a wedge-lock type pipe gripper assembly on a second arbor that is resiliently supported by the main body. The two arbors are rotationally connected but only indirectly connected axially and, to a limited extent, can move independently. The actuator, or linear motor, that actuates the wedge-lock system has the ability to force release of the wedge-lock system when it has been set by massive pipe loads. The forced release actuation is independent of the load supporting features of the main body. Full range actuation of the main body and main arbor assembly length will not actuate the wedge-lock release system. The length of the overall assembly can be oscillated to vibrate a supported pipe string. | 07-01-2010 |
| 20100163249 | RUNNING-TOOL FOR DOWNHOLE EQUIPMENT WITH A HYDRAULIC CONTROL SYSTEM - Systems and methods for running downhole equipment with hydraulic control systems. A downhole running tool can have a body having an annulus formed therethrough. A latch member can be disposed on a first portion of the body. A reset member can be disposed on a second portion of the body. A conduit can be formed within a sidewall of the body. The conduit can be located between the first and second portions of the body. A pressure relief port can be disposed at a first end of the conduit; and a first flow port can be disposed at a second end of the conduit. The pressure relief port and first flow port can be in communication with an outer diameter of the body. | 07-01-2010 |
| 20100163250 | WELL EQUIPMENT FOR HEATED FLUID RECOVERY - A device has a first elongate tubular body and a second elongate tubular body coupled to the first tubular body, both adapted to reside in the wellbore. The device is changeable between the first tubular body axially fixed against movement in a first direction relative to the second tubular body and axially moveable in the first direction relative to the second elongate tubular body in response to temperature. | 07-01-2010 |
| 20100175892 | GUIDE TUBE FOR CONTINUOUS ROD - A guide tube for continuous rod has a sections pivotably connected together by at least one translatable pivot. The tube connects to a rig at a fixed pivot and is initially folded on the rig for transport. To unfold and raise the tube for operation, a rig operator pivots a support rod pivotably connected to the tube away from the rig using a rope. This pivoting support rod moves the attachment point of a winchline extending from the rig to the rod beyond the tube's fixed pivot. Also, the pivoting rod tensions a sling having a fixed length that extends from the rod to the tube's translatable pivot. In this way, the winchline can be tensioned without the need for rig operators to perform a substantial amount of manual labor as conventionally done. Once the outer sections of the guide tube are lowered to the ground, the entire guide tube can be unfolded and raised with the tensioned winchline. | 07-15-2010 |
| 20100175893 | MANIPULATABLE SPIDER COMPONENTS ADAPTED FOR COOPERATION WITH A VERTICALLY RECIPROCATING CONTROL LINE GUIDE - A method and apparatus are provided for installing control lines and pipe into a well. The pipe-holding spider that is normally mounted on the rig floor is adapted for easy disassembly and reassembly when the pipe slips within the spider are not engaged with the outer surface of the pipe string so that upon disassembly, a control line guide becomes vertically movable. The control line guide is adapted for being controllably elevated to a distance above the rig floor, thereby providing personnel access to a portion of the length of the pipe string below the elevated control line guide and above the rig floor for securing control line to the pipe string using a fastener. | 07-15-2010 |
| 20100252275 | Lateral Well Locator and Reentry Apparatus and Method - A down-hole assembly used to locate an existing window in a main cased well bore and guide equipment through the window and into a lateral well bore after removal of a whip stock. The assembly includes a running tool with a convex section detachably connected to a concave section of a guide member. The running tool includes a window locator that locates the window. The guide member includes an inclined or wedge shaped portion for guiding tools or equipment through the window and into the lateral well bore so that remedial work can be carried out. | 10-07-2010 |
| 20100252276 | CIRCULATION SUB WITH INDEXING MECHANISM - A downhole circulation sub or valve ( | 10-07-2010 |
| 20100258321 | ACTIVE POSITIONING OF DOWNHOLE DEVICES USING SPHERICAL MOTORS - Methods and related systems are described for downhole positioning of sensors such as accelerometers, gyroscopes, tiltmeters and geophones. The sensor or sensors are mounted within the spherical rotor of a spherical motor such that the device can be actively positioned in one or more orientations by activating the spherical motor. | 10-14-2010 |
| 20100276157 | METHOD OF EXPANDING A TUBULAR ELEMENT IN A WELLBORE - A method is provided of radially expanding a tubular element in a wellbore formed in an earth formation, the method comprising arranging the tubular element in the wellbore whereby a lower end portion of the wall of the tubular element extends radially outward and in axially reverse direction so as to form an expanded tubular section extending around a remaining tubular section of the tubular element, whereby an annular space is defined between said expanded and remaining tubular sections. The expanded tubular section is axially extended by moving the remaining tubular section downward relative to the expanded tubular section so that said lower end portion of the wall bends radially outward and in axially reverse direction. A tube is positioned in the annular space so that the tube extends substantially concentrically with the expanded tubular section, wherein the tube is arranged to support at least one of the remaining tubular section and the expanded tubular section | 11-04-2010 |
| 20100276158 | DOWNHOLE MULTIPLE BORE ROTARY DIVERTER APPARATUS - A downhole rotary diverter assembly includes multiple passages for selectively aligning with multiple boreholes. The diverter assembly can be selectively actuated to direct a tool or tubing through-passage toward a desired borehole. The primary tool through-passage of the diverter assembly can be alternately and continually aligned and re-aligned with a desired borehole out of multiple boreholes, while the diverter assembly remains in the well. After a single trip into the well, and placement of the diverter assembly in a well junction, the diverter assembly can be actuated to rotate flow passages into alignment with multiple boreholes. An actuation tool may be lowered into the diverter assembly and manipulated to activate a mandrel. The mandrel is guided by an indexing mechanism to rotatably cycle through discrete and predetermined alignment positions that correspond generally with the stop positions of a guide pin in a guide slot of the indexing mechanism. | 11-04-2010 |
| 20100307766 | Rigless well intervention apparatus and method - The present invention relates generally to a rigless well intervention apparatus and method for well completion, recompletion, servicing, workover and intervention. Specifically, the present invention relates to a rigless well intervention apparatus and method for performing various well completion, recompletion, servicing, workover and intervention operations that pertains to a range of products, services and techniques whether designed to be run through, or conducted within, the production tubing of an oil or gas well, or not, ranging from the ability to operate within a restricted diameter tubular with live-well intervention when the tubing is in place to the ability to drill the well. | 12-09-2010 |
| 20100319933 | System and method of displacing fluids in an annulus - The method of displacing fluids in the annulus between pressurized casing strings inside an active oil or gas well by providing a controlled turndown insert and guides then inserting and retrieving a flexible hose without it folding or buckling while being pushed or pulled through a wellhead system orifice with relatively sharp edges at the annulus opening where the hose must make a 90 degree turn from horizontal to vertical within a short radius without cutting, crimping or tearing the hose then seating and holding the hose while fluids are injected, all the while providing protection against well blow out or other pressure problems. | 12-23-2010 |
| 20100326673 | WORK STRING CONTROLLER - Well bore servicing equipment is provided. The well bore servicing equipment comprises a first manipulator to grip a well bore work string, to raise the work string, and to lower the work string. The well bore servicing equipment further comprises a controller to receive a work string trajectory input and to automatically control the first manipulator to raise and lower the work string substantially in conformance with the work string trajectory input. | 12-30-2010 |
| 20110005776 | IMPROVED CENTRALISER - A centraliser ( | 01-13-2011 |
| 20110030972 | Downhole Connector Maintenance Tool - A tool is run into a liner that holds an electrical or hydraulic connection for a downhole tool which preferably is an electric submersible pump (ESP). It is capable of cleaning the electrical contacts, replacing them, isolating them from well fluid if no ESP or other downhole tool is to be present for a long time or switching from a main to a backup supply cable or hydraulic line among other downhole functions. The ability to use the tool takes away the need to pull the liner with the exterior cable or hydraulic line attached. It further allows the ESP or another downhole tool to be put back in service faster. Applications to other tools that obtain power or hydraulic pressure in a downhole wet connection are contemplated. | 02-10-2011 |
| 20110048740 | SECURING A COMPOSITE BRIDGE PLUG - A filament wound composite tube is inserted into a non-metallic mandrel below the core to support the core when holding pressure in the top annulus. The tube has a close-fit tolerance to the inner surface of the mandrel. The tube is secured in place with pins through a mule shoe, such that the bore of the tube is not impeded. Alternately, a retainer with wickers is disposed in the mandrel below the core to support the core when holding pressure in the top annulus. The wickers are biased to engage with an inner surface of the mandrel, holding the insert in place under pressure. Axial movement of the core downward further engages the wickers with the mandrel, helping to support the load. | 03-03-2011 |
| 20110056703 | Method of Drilling and Running Casing in Large Diameter Wellbore - A well is drilled and casing installed utilizing a casing drilling technique. A bottom hole assembly having a drill bit and a fluid diverter is secured to a string of drill pipe and installed within a casing string. Drilling fluid is pumped down the drill pipe string to cause the drill bit to rotate and drill the well while the fluid diverter is in a drilling mode position. At the total depth for the casing string, the operator moves the fluid diverter to a cementing position and pumps cement down the drill pipe and up the casing string annulus. After cementing, the operator moves the fluid diverter to a packer set position and again pumps drilling fluid down the drill string to set the packer. | 03-10-2011 |
| 20110056704 | METHOD AND DEVICE FOR CASING A BORED WELL PORTION - The invention comprises using a tube having a ductile and radially expansible upper portion, provided at the base thereof with a seal that is also radially expansible under the action of the weight of the tube, the latter being thus sized so that when its base abuts the bottom of the well, the upper portion is located above a fractured area to be isolated, the procedure comprising the following steps: the tube is inserted into the well so that the base thereof bears against the bottom, triggering the radial expansion of the seal; using an expansion tool, the upper portion of the tube is radially expanded beyond its yield strength in order to apply the same tightly against the wall of the well above the fractured area. The invention can be used in the petroleum industry. | 03-10-2011 |
| 20110088914 | Method of Activating a Downhole Tool Assembly - A method of activating a downhole tool assembly. The downhole tool assembly has a sleeve with a continuous j-slot, a lug rotator ring configured to move axially relative to the sleeve and having a lug configured to move within the continuous j-slot, and a rupture disk configured to prevent the lug from moving within the continuous j-slot during run-in. The method includes lowering the downhole tool assembly into a well bore on a tool string, rupturing the rupture disk, allowing the lug to move within the continuous j-slot, and setting the downhole tool assembly by lifting upward and pushing downward on the tool string. | 04-21-2011 |
| 20110094754 | WELLBORE TREATMENT APPARATUS AND METHOD - An apparatus for treating a wellbore comprises a downhole component ( | 04-28-2011 |
| 20110108286 | Apparatus and Method for Controlling the Connection and Disconnection Speed of Downhole Connectors - An apparatus ( | 05-12-2011 |
| 20110108287 | Apparatus and Method for Controlling the Connection and Disconnection Speed of Downhole Connectors - An apparatus ( | 05-12-2011 |
| 20110108288 | Apparatus and Method for Controlling the Connection and Disconnection Speed of Downhole Connectors - An apparatus ( | 05-12-2011 |
| 20110114337 | NON-ROTATION LOCK SCREW - A non-rotation lock screw for a wellhead assembly is provided that includes a rotating portion and a non-rotating portion. The non-rotating portion includes a distal end configured to engage a component of the wellhead assembly, and may include one or more seals. The rotating portion may be rotating into a component of wellhead assembly such that the non-rotating portion translates in a radial direction. The rotating portion and non-rotating portion may be coupled together via a bearing to enable free rotation of the rotating portion. Systems and methods of operation that include the non-rotation lock screw are also provided. | 05-19-2011 |
| 20110120730 | TONG POSITIONING ARM - The present invention generally relates to an apparatus for positioning a tool at a well site. The apparatus includes a first arm rotationally connected to a guide on a column. The apparatus further includes a second arm rotationally connected to the first arm. The second arm is also connected to a tool attachment member at a pivot point, wherein the pivot point is offset from the centerline of the tool. Additionally, the apparatus includes a flexible tension member having one end operatively connected to the guide and another end connected to the tool attachment member at a location closer to the centerline of the tool than the pivot point, wherein the flexible tension member is configured to maintain the tool in a specific orientation around the pivot point during the positioning operation. In a further aspect, a method of positioning a tool at a wellsite is provided. | 05-26-2011 |
| 20110162854 | OPEN-HOLE WELLBORE LINING - Embodiments of the present invention provide systems and methods for lining a wellbore. In certain aspects, the systems and methods comprise providing a fluid composition that is solidifiable or gellable on exposure to actinic radiation of a predetermined wavelength at the wall of open-hole wellbore and providing actinic radiation at the predetermined wavelength to solidify or gel the composition. The predetermined wavelength lies in a range from 100 nm to 1500 nm. | 07-07-2011 |
| 20110192614 | Torque Transmitting Load Shoulder - A well drilling tool has a tubular member connected into a casing string that serves as a drill string. A load shoulder is located within the bore of the tubular member. The load shoulder has a torque transferring portion that extends from a lower terminus to an upper terminus. The load shoulder has an axial force transferring portion that faces upward. A bottom hole assembly is lowered through the casing string and lands on the load shoulder. The bottom hole assembly has a mating profile to the load shoulder so that it will be supported by the load shoulder and will receive torque transferred from the load shoulder. | 08-11-2011 |
| 20110192615 | Degradable Polymers for Hydrocarbon Extraction - The present disclosure is directed degradable polymers. The polymers are solid when maintained under substantially dry conditions at a temperature of up to about 90 degrees C. When contacted with water at a temperature of up to about 90 degrees C., however, the polymers initially remain solid for a period of up to about 6 to about 24 hours, then depolymerize to provide a liquid having a viscosity of from about 1 to about 200,000 centipoise after a period of time from about 8 hours to about 3 days and then further depolymerizes to water-soluble components after a period of time at least about 3 days. Also disclosed are sand screen coatings made with the polymers and hydraulic and acid fracturing methods using the polymers. | 08-11-2011 |
| 20110220368 | WIRELINE LUBRICATOR - A wireline lubricator and a connector ( | 09-15-2011 |
| 20110226487 | POSITIVE LOCKED SLIM HOLE SUSPENSION AND SEALING SYSTEM WITH SINGLE TRIP DEPLOYMENT AND RETRIEVABLE TOOL - A tool is provided for installing a mandrel in a wellhead assembly. The tool includes an assembly having multiple independently translatable and rotatable members. The tool includes an inner member disposed in an inner sleeve. The inner member may be disposed in a first position and second position, such that in the first position the inner sleeve freely rotates and in the second position rotation of the inner sleeve causes rotation of the inner member. An outer sleeve is disposed over the inner sleeve and may be coupled to a hold down ring. The inner member may be coupled to mandrel. The tool may be inserted into a wellhead assembly and the outer rotated to engage the hold down ring, the inner and outer sleeve may be translated axially to allow rotation of the inner member to disengage the tool from the mandrel. | 09-22-2011 |
| 20110240313 | RESETTABLE DOWNHOLE TORQUE LIMITER AND RELATED METHODS OF USE - Disclosed is a torque limiter having driver mandrel and driven axially aligned mandrels, a piston movable into and out of an engaged position wherein the driver and driven mandrels are coupled together to transmit torque there between. Hydraulically locking the movable piston in an engaged position. Disengaging the hydraulic lock when during rotation when a specified torque magnitude is exceeded to allow relative rotation between the mandrels. Resetting the torque limiter by hydraulically locking the piston in the engaging position when relative rotation ceases or is reduced. | 10-06-2011 |
| 20110253385 | Device, Method and Use for Transfer of Equipment for a Wireline Operation in a Well - Device for transfer of equipment for a wireline operation in a well connected to a drilling derrick via a top drive. The device comprises a beam structured for releasable connection to said top drive; wherein the beam is structured in a manner allowing it to extend, when in its position of use, transversely relative to a centre line between the top drive and the well; wherein the beam is provided with at least one hoisting device with a lifting line for vertical movement of said equipment; wherein a support point for the lifting line is connected to the beam and is structured so as to be movable in the longitudinal direction of the beam, whereby said equipment may be moved horizontally relative to said centre line; and wherein said hoisting device and support point are structured for remote-controlled operation. | 10-20-2011 |
| 20110259607 | Wireline Pressure Setting Tool and Method of Use - A method and apparatus for retro-fitting an explosive setting tool to a non-explosive setting tool is provided to eliminate the use of pyrotechnics when setting auxiliary tools. An explosive setting tool is retro-fitted by removing the pyrotechnic elements of the tool and replacing them with a conversion assembly including a hydraulic pump, thus converting the explosive tool into a non-explosive tool. The hydraulic pump provides the energy necessary to set the auxiliary tool. Once the auxiliary tool has been set, the non-explosive setting tool can be brought to the surface and reset using a resetting tool. | 10-27-2011 |
| 20110259608 | CASING AND LINER DRILLING SHOES WITH PORTIONS CONFIGURED TO FAIL RESPONSIVE TO PRESSURE, AND RELATED METHODS - A casing bit, which may comprise a composite structure, for drilling a casing section into a subterranean formation, and which may include a portion configured to be drilled therethrough, is disclosed. Cutting elements and methods of use are disclosed. Adhesive, solder, electrically disbonding material, and braze affixation of a cutting element are disclosed. Differing abrasive material amount, characteristics, and size of cutting elements are disclosed. Telescoping casing sections and bits are disclosed. Aspects and embodiments are disclosed including: at least one gage section extending from the nose portion, at least one rotationally trailing groove formed in at least one of the plurality of blades, a movable blade, a leading face comprising superabrasive material, at least one of a drilling fluid nozzle and a sleeve, grooves for preferential failure, at least one rolling cone affixed to the nose portion, at least one sensor, discrete cutting element retention structures, and percussion inserts. | 10-27-2011 |
| 20110272164 | System and method for maintaining position of a wellbore servicing device within a wellbore - A method of maintaining a location of a wellbore servicing device includes connecting a pressure activated hold-down tool (PAHT) to the wellbore servicing device, delivering the wellbore servicing device and the PAHT into a wellbore, selectively increasing a curvature of the PAHT in response to a change in a fluid pressure, and engaging the PAHT with a feature of a wellbore to prevent longitudinal movement of the wellbore servicing device. A PAHT has pressure actuated elements that selectively provide an unactuated state in which the PAHT lies substantially along a longitudinal axis and the pressure actuated elements selectively lie increasingly deviated from the longitudinal axis in response to a change in pressure applied to the PAHT. At least one of the pressure actuated elements has a tooth configured for selective resistive engagement with a feature of the wellbore. | 11-10-2011 |
| 20110278020 | Shearing tool and methods of use - A shearing tool for shearing, trimming, or reducing objects being pulled through a drill string and methods for retrieving retrievable tools with fins from the drill string, where the retrievable tools must pass through restrictions in the drill string having interior diameters less than the outer diameters of the fins. The fins, affixed to the retrievable tools, provide stability to the tools, while within the drill string, and can be made of rubber, plastic, other shearable materials, or combinations thereof. The apparatuses and methods include inserting a shearing tool with a flange into a box end of a section of drill string, where the flange keeps the shearing tool in place. The shearing tool further comprising a cutting surface for cutting materials pulled through the shearing tool. | 11-17-2011 |
| 20110290506 | DOWNHOLE MAGNETIC PARTICLE DELIVERY SYSTEM FOR OIL AND GAS WELLS - The subject disclosure discloses an apparatus and method of conveying magnetic particles into a wellbore. A plurality of particles which are magnetically attracted to one another in response to exposure to a magnetic field are delivered downhole via a degradable material. The degradable material confines the particles and conveys the particles to a desired location downhole. The structure comprising the degradable material and the confined particles can be lowered into a subterranean well by a cable or wire, or alternatively released into the well under the influence of gravity and flow induced forces. The material degrades in response to conditions encountered in a subterranean environment thus releasing the particles. | 12-01-2011 |
| 20110308816 | METHOD OF INSTALLING AND REMOVING AN ELECTRIC SUBMERSIBLE PUMP - A method of servicing an electric submersible pump in a well with a positive wellhead pressure includes providing production tubing in the well casing, a coil tubing string within the production tubing having an electric submersible pump at a downhole end of the coil tubing string, and a pump-receiving housing above the injection port of the wellhead. With the injection port sealed and the pump-receiving housing opened, the electric submersible pump may be inserted or removed from the pump-receiving housing. With the pump-receiving housing closed and the injection port opened, the electric submersible pump may be moved to or from the production tubing in the well. | 12-22-2011 |
| 20120000673 | Installation System with Force Generating Tool - Devices and methods for applying axial force for such uses as running and releasing tools or other articles within a wellbore. An installation system is described that includes a force generator used to generate axial forces. The installation system also releasably secures an article and is capable of releasing the article once it has been emplaced or installed with the force generator. | 01-05-2012 |
| 20120000674 | Subterranean Jetting Tool - The present invention relates to a jetting tool and method useful for inserting coiled or stick tubing further into subterranean wells, to permit additional production capacity to be realized from the well. The tool is located near a distal end of the tubing and can be used to generate and insertion thrust that facilitates insertion of the tubing. | 01-05-2012 |
| 20120012337 | Crawler System for an Earth Boring System - In one aspect of the present invention, a crawler system for an earth boring system comprises at least two expandable tools along a common axis and spaced apart from each other along the common axis by a piston cylinder device. The at least two expandable tools comprise a mandrel comprising a tubular body and an outer diameter, a plurality of blades, and a slidable sleeve capable of manipulating the plurality of blades into collapsed and expanded positions. The plurality of blades of one of the at least two expandable tools expand to an expanded position and engage a borehole wall. The piston cylinder device anchors against the engagement between the borehole wall and one of the at least two expandable tools to axially translate the other of the at least two expandable tools. | 01-19-2012 |
| 20120024539 | ROTARY COIL TUBING DRILLING AND COMPLETION TECHNOLOGY - An apparatus for performing a drilling operation or a non-drilling wellbore operation may include a string that has a rigid tubular, a connector coupled to the rigid tubular, a non-rigid tubular coupled to the connector; and at least one motor positioned along the string. The string may be disposed into a wellbore to perform one or more tasks. | 02-02-2012 |
| 20120061097 | Pump Down Liner Expansion Method - A string to be expanded is run in with a running string that supports a swage assembly. The running string is secured to the existing tubular and the top of the string to be expanded is sealed around the supported running string. The pressure applied to the annular space above the seal drives the liner over the swage. A cement shoe is affixed to the lower end of the string that is expanded after becoming detached from the running string assembly. When the expanded liner bottoms on a support, generally the hole bottom, the cement is delivered through the shoe and the expansion of the top of the string into a recess of the string above continues. The swage assembly with the seal and the anchor are then recovered as the running string is removed during the process of expanding the top of the expanded string into the lower end recess of the existing string already in the wellbore. | 03-15-2012 |
| 20120061098 | DOWNHOLE DEVICE - A downhole device for use in a deviated well is described. The downhole device comprises a device body having a longitudinal axis, the device body adapted to be connected to the end of a tool string and a guide member. At least a portion of the guide member is moveable with respect to the device body, one of said moveable portions defining the leading end of the device. | 03-15-2012 |
| 20120097403 | Invert Drilling Fluids Having Enhanced Rheology and Methods of Drilling Boreholes - An invert emulsion drilling fluid, and a method of drilling with such fluid, having improved rheology at low mud weights and high temperatures. The improved rheology is effected with addition of hydrophobic amines, most preferably dimer diamines. | 04-26-2012 |
| 20120125633 | REMOTE OPERATION OF A ROTATING CONTROL DEVICE BEARING CLAMP AND SAFETY LATCH - An RCD can include a housing assembly which contains a bearing assembly and an annular seal which rotates and seals off an annulus between a tubular string and an RCD body, a remotely operable clamp device which selectively permits and prevents relative displacement between the housing assembly and the body, and a remotely operable safety latch which selectively permits and prevents unclamping of the clamp device. A method of remotely operating an RCD clamp device can include remotely operating a safety latch which selectively permits and prevents unclamping of the clamp device, and remotely operating the clamp device while the safety latch is in an unlatched position, thereby unclamping a bearing housing assembly from the RCD body. Another RCD can include a remotely operable clamp device which selectively permits access to an RCD body interior, and a remotely operable safety latch which selectively prevents unclamping of the clamp device. | 05-24-2012 |
| 20120152566 | EXTENDED REACH WHIPSTOCK AND METHODS OF USE - In some embodiments, a whipstock includes an extendable deflector movable from a retracted to a deployed position. In the deployed position, the retractor is capable of guiding a tubular member farther away from the whipstock than the outer slide surface of the whipstock as the tubular member passes downwardly along the whipstock. | 06-21-2012 |
| 20120186828 | Composite Bow Centralizer - A method comprising providing a centralizer disposed about a wellbore tubular, wherein the centralizer comprises a first collar, a second collar, a plurality of bow springs coupling the first collar to the second collar, and a plurality of particulates disposed on an outer surface of at least one bow spring, wherein one or more of the first collar, the second collar, and the bow springs comprise a composite material, and placing the wellbore tubular in a wellbore disposed in a subterranean formation. A method comprising providing a centralizer disposed about a wellbore tubular, wherein the wellbore tubular comprises a stop collar, a protrusion, or an upset on either end of the centralizer, and wherein the centralizer comprises three or more collars, a plurality of bow springs comprising a plurality of portions of bow springs, wherein each portion of bow springs couples two adjacent collars, and wherein one or more of the collars and the bow springs comprise a composite material, and placing the wellbore tubular in a wellbore disposed in a subterranean formation. | 07-26-2012 |
| 20120193106 | RECOVERING HEATED FLUID USING WELL EQUIPMENT - A device has a first elongate tubular body and a second elongate tubular body coupled to the first tubular body, both adapted to reside in the wellbore. The device is changeable between the first tubular body axially fixed against movement in a first direction relative to the second tubular body and axially moveable in the first direction relative to the second elongate tubular body in response to temperature. | 08-02-2012 |
| 20120234559 | DOWNHOLE SWIVEL SUB - The present invention provides a swivel sub for connection in a work string between a workstring and a downhole apparatus. The swivel sub includes a first substantially cylindrical body, including a sleeve portion having one or more teeth and a second substantially cylindrical body being partially located within the sleeve portion. The bodies are arranged to rotate relative to each other. The swivel sub also includes a sliding sleeve, having one or more teeth arranged mutually engage with the first teeth is axially moveable between disengaged and engaged positions, in one embodiment by a pressure differential being created in the sub. Further, the present invention provides methods for of running the tool, with particular application to setting and hanging of liners and screens. | 09-20-2012 |
| 20120247787 | Injector Head For Coiled Tubing Systems - An injector head used in coiled tubing systems including at least two opposed counter-rotating chain loops having a first end and a second end, the chain loops having a chain. The injector head further includes a fixed drive sprocket disposed at the first end of a chain loop and a floating sprocket disposed at the second end of the chain loop. In the injector head, there is a force applied to the floating bottom sprocket to maintain the chain loop at a desired chain tension. Additionally, the injector head includes a tension cylinder that automatically maintains the chain loop at the desired chain tension. | 10-04-2012 |
| 20120273234 | FLOW-INDUCED ELECTROSTATIC POWER GENERATOR FOR DOWNHOLE USE IN OIL AND GAS WELLS - The present invention is directed to processes (methods) for harnessing flow-induced electrostatic energy in an oil and/or gas well and using this energy to power electrical devices (e.g., flowmeters, electrically-actuated valves, etc.) downhole. The present invention is also directed to corresponding systems through which such methods are implemented. | 11-01-2012 |
| 20120273235 | FLOW-INDUCED ELECTROSTATIC POWER GENERATOR FOR DOWNHOLE USE IN OIL AND GAS WELLS - The present invention is directed to processes (methods) for harnessing flow-induced electrostatic energy in an oil and/or gas well and using this energy to power electrical devices (e.g., flowmeters, electrically-actuated valves, etc.) downhole. The present invention is also directed to corresponding systems through which such methods are implemented. | 11-01-2012 |
| 20120292048 | Managing Tensile Forces in a Cable - A well servicing system includes a frame adapted to mount to a pipe handling system that includes a hanger adapted to guide a load coupled to a cable towards a wellhead, where the load exerts at least a portion of a tensile force on the cable; and a winch including a drum and a brake. The brake is adapted to control rotational motion of the drum to spool a portion of the cable over the drum and set the drum to substantially prevent rotational motion of the drum. The well servicing system also includes a hydraulic piston-cylinder coupled to a sheave. The piston is adapted to stroke into or out of the cylinder when the tensile force exceeds a desired load when the drum is set to substantially prevent rotational motion to spool the cable from the drum. | 11-22-2012 |
| 20120292049 | DEVICE AND A SYSTEM AND A METHOD OF MOVING IN A TUBULAR CHANNEL - The invention relates to a device ( | 11-22-2012 |
| 20120305268 | High Pressure Multibore Junction Assembly - A high pressure multibore junction assembly and methods for completion of a lateral wellbore using the high pressure multibore junction assembly. | 12-06-2012 |
| 20120312554 | Insert Gas Lift Injection Assembly for Retrofitting String for Alternative Injection Location - An insert device can straddle an existing production string port into the annulus such as through an open sliding sleeve so that annulus access into the production string is available. An injection string is associated with the insert to allow placement of the injection fluid at the desired location even if that location is below an isolation packer. The port can be part of an existing ported sub such as a sliding sleeve. Alternatively, the port can be created at a desired location and the insert supported with an anchor so that spaced seals straddle the port that is created to allow injection access from the annulus into the production tubing. The produced fluids pass around the injection tubing and through the insert body to get to the surface. The insert can be removed if needed. | 12-13-2012 |
| 20120312555 | CONTROLLABLY RELEASABLE SHIFTING TOOL - A shifting tool having a release mechanism of predictable deforming radial character. The tool may be utilized for activating any of a variety of different types of downhole actuators. Once more, due to the controlled and predictable manner of deformation employed in the release mechanism, load pulls directed at the actuator may be significant without undue concern over unintended or uncontrolled tool breakage. So, for example, a stuck actuator arm engaged with the shifting tool may be safely pulled at substantially greater loads thereby increasing the odds of dislodging. Thus, the occurrences of added follow-on interventional applications addressing stuck actuator arms may be reduced, resulting in tremendous time and cost savings. | 12-13-2012 |
| 20120318531 | Pressure Pulse Driven Friction Reduction - A method for reducing friction between a coiled tubing and a wellbore includes: generating a periodic pressure wave; coupling the periodic pressure wave to a coiled tubing in a wellbore; and propagating the periodic pressure change in the coiled tubing wherein a friction force between the coiled tubing and the wellbore is reduced. The shape of the periodic pressure wave can be modulated to a form similar to that of a sinusoidal waveform. | 12-20-2012 |
| 20120325497 | COATINGS FOR WELLBORE TOOLS, COMPONENTS HAVING SUCH COATINGS, AND RELATED METHODS - A component of a wellbore tool comprises a plurality of compartments disposed over a body of the component and a coating disposed over at least a portion of a surface of the body. Each compartment comprises a healing agent formulated to form or catalyze the formation of a barrier upon release from the compartment. A matrix material separates the plurality of compartments. Methods of forming wellbore tools include forming a body, forming a plurality of capsules, and forming a coating comprising the capsules over the body. Methods of utilizing a wellbore tool in a subterranean borehole include contacting at least a portion of a body with a fluid comprising a healing agent formulated to a barrier. Coatings for wellbore tools include a fiber comprising a plurality of discrete cells and a matrix material contacting and at least partially surrounding the fiber. Each cell comprises a healing agent. | 12-27-2012 |
| 20130014957 | Downhole Guiding ToolAANM Hallundb.ae butted.k; JorgenAACI GraestedAACO DKAAGP Hallundb.ae butted.k; Jorgen Graested DKAANM Andersen; Thomas SuneAACI HelsingerAACO DKAAGP Andersen; Thomas Sune Helsinger DK - The present invention relates to a downhole tool for guiding a device into a side track of a borehole, the tool having a tool axis and comprising a tool housing connected to an energy source. The invention further relates to a method for moving the downhole tool into a side track. | 01-17-2013 |
| 20130020092 | Remote Manipulation and Control of Subterranean Tools - A subterranean tool that is self contained for actuation can be run into a desired location on an automatic set mode controlled by a timer. If a problem develops in getting the tool to the desired location in time a magnetic field created by permanent or electro-magnets can be brought to bear on the tool to stop the timer before the tool actuates. Once the tool is subsequently positioned at the desired location another magnetic field can be brought to bear near the tool to set it. Alternatively, the tool can be run to the desired location without activation with the timer and then the magnetic field can be brought to the tool to set it. The magnetic field can be lowered to the tool with wireline or can be dropped or pumped past the tool to actuate the tool. Optionally the field can be generated from within an object that ultimately lands on a seat to provide a backup way to set the tool using tubing pressure. | 01-24-2013 |
| 20130020093 | DAMPING ASSEMBLY FOR DOWNHOLE TOOL DEPLOYMENT AND METHOD THEREOF - A damping assembly including a damping device including a body, a piston assembly having a piston rod disposed within the body, a biasing member biasing the piston rod to a position within the body, and a damping block connected to and movable with the piston rod; and, a connector associated with a downhole tool and connectable to the damping device; and wherein the damping device reduces effects of shocks experienced by the downhole tool via the damping block. Also included is a method of reducing impact of shocks on a downhole tool during tripping | 01-24-2013 |
| 20130020094 | Gun Upset and No-Go System for Deployment of Perforating Gun Assemblies - Devices and methods for deploying perforating guns through a wellhead production assembly and into a wellbore. In particular embodiments, the invention provides devices and methods for deploying multiple perforating guns through a wellhead production assembly. In the event that the perforating gun assembly is dropped into the wellhead production assembly, a safety clamp will land upon a landing profile within a deployment riser, preventing the perforating gun assembly from falling into the wellbore. | 01-24-2013 |
| 20130025881 | PERFORMANCE CENTRALIZER FOR CLOSE TOLERANCE APPLICATIONS - A centralizer having a plurality of collapsible bows interconnecting a first collar and a second collar, with the centralizer disposed on a tubular with a stop collar, and an attachable retainer(s) of the centralizer blocking passage of the stop collar therethrough. The bows may have a yield strength of at least about 200,000 psi. Outer surface of the bows may have a coefficient of friction equal or less than about 0.02. Maximum radial thickness of centralizer when the plurality of collapsible bows is fully collapsed may be equal to or less than 3/16″. Centralizer may be rotatable relative to tubular. Centralizer having a split tubular body forming first and second collars connected by collapsible bows and a retainer to retain the split tubular body on the tubular, and the retainer, the first collar and/or the second collar providing a recess therein to receive a stop collar of the tubular. | 01-31-2013 |
| 20130025882 | Method to restrict the number of cycles in a continuous j-slot in a downhole tool - A mechanism for use in a wellbore servicing tool includes a continuously rotating ring within a servicing tool, and a limiting mechanism configured to engage the ring and lock the ring upon a predetermined degree of rotation of the ring. The mechanism may comprise a portion of an actuation assembly for use in a wellbore. | 01-31-2013 |
| 20130043047 | DEGRADABLE NO-GO COMPONENT - A system for setting and retrieving a tool including a tubular having a first profile and a tool haing a second profile, the first and second profiles complementarily formed and engagable together for enabling the tool to be located in a borehole with respect to the tubular, the first profile or the second profile at least partially formed from a degradable material, the degradable material degradable upon exposure to a downhole fluid. | 02-21-2013 |
| 20130043048 | Systems and Methods for Selective Electrical Isolation of Downhole Tools - Systems and methods for electrically isolating selected ones of a set of downhole tools that are connected to a common electrical cable. In one embodiment, a system includes surface equipment, a plurality of downhole tools and a common electrical cable. The downhole tools are connected to the cable by coupling switches. Each switch has a closed position in which the downhole tool is electrically coupled to the cable and an open position in which the downhole tool is electrically decoupled from the cable. The coupling switches are remotely actuated by placing an actuating device in proximity to the switches, thereby alternately coupling the corresponding downhole tools to the common cable or isolating the tools from the cable. | 02-21-2013 |
| 20130056225 | METHODS AND APPARATUS FOR INCREASING THE REACH OF COILED TUBING - The subject disclosure generally relates to the field of elongated structures such as coiled tubing and coiled tubing applications in hydrocarbon wells. More particularly, the subject disclosure relates to increasing the reach of coiled tubing by delaying the onset of buckling. | 03-07-2013 |
| 20130062075 | Hydraulically Actuated Standoff - Hydraulically actuated standoffs for downhole tools are described. An example apparatus includes a downhole tool having a body defining an outer surface and a plurality of standoffs distributed about the outer surface. The example apparatus also includes a hydraulic circuit operatively coupled to the standoffs. The hydraulic circuit includes a plurality of hydraulically actuated pistons, each of which is operatively coupled to a respective one of the standoffs to extend and retract the respective standoff. The pistons are hydraulically coupled and sized to extend or retract the respective standoffs at substantially the same rate in response to a hydraulic control signal. | 03-14-2013 |
| 20130068479 | Well Tractor With Active Traction Control - A downhole tool that includes a tractor for assisting movement of the tool through deviated portions of a wellbore. The tractor includes a working fluid that damps vibrations in the tractor by adjusting the viscosity in the fluid. In an example, the working fluid is a magnetorheological fluid that has a viscosity that changes in response to applied electrical energy. The working fluid, which may be used for powering actuators on the tractor, may contain a suspension of magnetic particles. | 03-21-2013 |
| 20130068480 | Apparatus and Method for Transitioning a Tool Around the Radius of a Whipstock with Internal Guide Channel - A method for transitioning a rigid or semi-rigid tool around a whipstock having a curved internal guide channel. The apparatus and method entail the tool meeting specific proportion criteria relative to the narrowest part of the curved guide channel through which it must pass and relative to the length and width of the tool. In lateral borehole related applications, if the wider ends portions of the tool are of approximately the same diameter of the borehole, the tool can be stabilized as it travels through the guide channels and creates and transitions a lateral borehole. The disclosure is particularly suited to tools that are rotated through the curved whipstock and in certain applications offers such tools the benefit of a reduced number of segments or links and hence reduced costs and failure points. The method described herein can be used with a variety of tool types and for a variety of purposes and may increase the applicability of tools otherwise only feasible on wellbores of a larger diameter. | 03-21-2013 |
| 20130068481 | A Bottom Hole Assembly For Deploying An Expandable Liner In a Wellbore - A bottom hole assembly carrying an expandable tubular is disposed in a portion of a wellbore having a lost circulation zone, and the tubular is radially expanded to isolate the wellbore from the formation across the lost circulation zone. The expandable tubular is made up of a rolled up sheet like member and mounts along the outer periphery of a portion of the bottom hole assembly. A bladder on the bottom hole assembly is inflated for expanding the tubular radially outward against the wellbore wall. A drill bit and underreamer are included with the bottom hole assembly. | 03-21-2013 |
| 20130118760 | WEIGHT-BASED INTERLOCK APPARATUS AND METHODS - A weight-based tubular interlock apparatus adapted to determine whether a tubular is engagingly gripped by a rig-based hoisting device or a secondary gripping device is described. The apparatus includes at least two gripping mechanisms and an interlock system operatively connected that is adapted to measure a tubular load on at least one of the gripping mechanisms and to compare the tubular load to a predetermined load to deter nine whether the at least one gripping mechanism is gripping the tubular. The gripping mechanism is adapted to release the tubular only when the tubular load meets the predetermined load, upon which a release force sufficient to release the tubular from the gripping mechanism is applied to the tubular relative to the gripping mechanism. Methods of using the interlock apparatus are also described. | 05-16-2013 |
| 20130118761 | Safety Switch for Well Operations - A pressure controlled safety switch comprises an electrical switch disposed in a cavity of a mandrel. A bellows assembly is operably engaged with the electrical switch. The bellows assembly is in fluid communication with a fluid surrounding the mandrel such that a pressure in the fluid no less than a predetermined pressure causes the bellows to activate the electrical switch, and a pressure in the fluid less than the predetermined pressure causes the bellows to deactivate the electrical switch. | 05-16-2013 |
| 20130126187 | Entry Tube System - An entry tube system allows fluid to enter a chamber and flow to one or more shunt tubes connected to a downhole end of the entry tube. The fluid can enter the chamber about all or substantially all of the circumference of an inner mandrel disposed within the entry tube, and flow through the chamber to be directed into the shunt tubes. | 05-23-2013 |
| 20130126188 | Magnetic retriever for well plunger - A device for removing and installing a plunger in a well head has a elongate rigid tube with a magnetic connector mechanism at it distal end for engaging the plunger during removal and installation of the plunger. A longitudinal opening or passage can be provided extending the entire longitudinal length of the rigid tube and magnetic connector mechanism. An elongate rod is positioned in the opening or passage so that the upper end of the rod can be moved downwardly to eject the lower end of the rod from the magnetic connector mechanism to thereby disconnect an attached plunger from the magnetic connector mechanism. | 05-23-2013 |
| 20130126189 | TUBULAR GUIDING AND GRIPPING APPARATUS AND METHOD - A method and an apparatus to guide a tubular member are described herein. The apparatus includes a bore with a longitudinal axis extending therethrough and configured to support a tubular member, the apparatus having a first opening formed at a first side thereof, a second opening formed at a second side thereof, and an inner wall extending from the first opening to the second opening. The apparatus further includes a first guiding member disposed adjacent to the first opening of the bowl and a second guiding member disposed adjacent to the second opening of the bowl. | 05-23-2013 |
| 20130133901 | Apparatus for Expanding Tubulars in a Wellbore - An expansion assembly and method expand tubulars. In one embodiment, an expansion assembly for disposition in a wellbore includes an expandable tubular. The expansion assembly also includes an expansion tool. The expansion tool has an expansion swage and a thruster. In addition, the expansion tool has a front anchor assembly. The front anchor assembly has a front anchor having an open position providing an anchoring relationship with the internal wall and a closed position providing the front anchor with a diameter less than an internal diameter of the expandable tubular. The front anchor assembly also has a sensor positioned on an opposing side of the front anchor from the expansion swage providing that while the sensor is positioned inside the internal wall the front anchor may be in an open position or in a closed position while upon exit of the sensor from the end portion the sensor brings the front anchor in a permanently closed position. | 05-30-2013 |
| 20130153245 | MULTI-PURPOSE WELL SERVICING APPARATUS - Disclosed is an apparatus for cleaning the inner wall of wellbores and for capturing downhole wellbore debris. An elongated, tubular central mandrel is provided with recesses on its outer surface. Various service elements are interchangeably mounted over the split rings. The various service elements include stabilizers, brush assemblies, junk baskets and magnets. | 06-20-2013 |
| 20130153246 | Variable Tg Shape Memory Materials for Wellbore Devices - Wellbore devices for use in filtration, wellbore isolation, production control, lifecycle management and wellbore construction may include at least a first and a second shape-memory material each having an altered geometric position and each an original geometric position. Each shape-memory material may be held in the altered geometric run-in position at a temperature below glass transition temperature (T | 06-20-2013 |
| 20130161026 | CHEMICAL GLASS TRANSITION TEMPERATURE REDUCER - A method for deploying a shape memory polymer includes disposing a shape memory polymer having a deformed shape in an environment at a first temperature, the shape memory polymer having a first glass transition temperature which is greater than the first temperature. The method also includes decreasing the glass transition temperature of shape memory polymer from the first glass transition temperature to a second glass transition temperature which is less than or equal to the first temperature; and expanding the shape memory polymer to deploy the shape memory polymer in a deployed shape. | 06-27-2013 |
| 20130161027 | Unequal Load Collet and Method of Use - A downhole actuation system comprises an actuation mechanism comprising an indicator; a wellbore tubular; and a collet coupled to the wellbore tubular. The collet comprises a collet protrusion disposed on one or more collet springs, and the collet protrusion has a position on the one or more collet springs that is configured to provide a first longitudinal force to the indicator in a first direction and a second longitudinal force to the indicator in a second direction. The first longitudinal force is different than the second longitudinal force. | 06-27-2013 |
| 20130168107 | CONTROL LINE SECUREMENT METHOD AND SYSTEM - Control lines are secured to a completion string by a wrap wound around the completion string and control lines. The control lines are positioned adjacent to the completion string as it is lowered towards a well, and the wrap is wound helically around the lines and string in an open or closed loop manner. The placement and pitch of the wrap may be regulated, such as based upon the rate of advancement of the string into the well. One or multiple wraps may be used, and successive turns of the one or more wraps may overlap or be spaced from one another. | 07-04-2013 |
| 20130175049 | Kickover tool with ratcheting arm and methods of use - A kickover tool having a ratcheting mechanism comprising a ratchet arm and a ratchet track is provided. The ratchet arm is pivotally attached to an arm assembly and the ratchet track is attached to a surface of the main body. A method for operating the kickover tool apparatus can include the tool being able to traverse a tubing string and place or retrieve a tool or object from a side pocket mandrel. A string of two, or more, kickover tool apparatuses can be used to retrieve and/or place two, or more, separate tools or objects in one, or more, side pocket mandrel during a single trip operation. The kickover tool can function without placing any side loads on the side pocket device during the placing or retrieving procedure, thereby preventing any bending or fracturing of the side pocket device. | 07-11-2013 |
| 20130175050 | METHOD AND APPARATUS FOR REDUCING STICK-SLIP IN DRILLING OPERATIONS - The present application describes methods and apparatuses for reducing stick-slip in drilling operations. An example apparatus may include a cylindrical tool body and a first roller disposed on an outer surface of the cylindrical tool body at a first location. The first roller may be at least partially disposed within a first cavity at the first location. The apparatus may also include a second roller disposed on the outer surface of the cylindrical tool body at a second location. The second location may be offset laterally and circumferentially from the first location on the cylindrical tool body. The second roller may be at least partially disposed within a second cavity at the second location. | 07-11-2013 |
| 20130180730 | HYDRAULIC ASSIST DEPLOYMENT SYSTEM FOR ARTIFICIAL LIFT SYSTEMS AND METHODS FOR USING THE SAME - A well conveyance system couples to an uphole end of an artificial lift system and operates to push the artificial lift system through a tubing string for deployment in a wellbore. The well conveyance system includes a wellbore tractor adapted to push the artificial lift system through the tubing string and a swab cup assembly having a swab cup and a perforated nipple extending therethrough. The perforated nipple includes a nipple passage allowing for fluid flow from an area downhole from the swab cup to an area uphole from the swab cup when the wellbore tractor operates. A valve selectively blocks the perforated nipple to permit a hydraulic pressure to be applied to the tubing string uphole of the swab cup, exerting a downhole force on the swab cup to aid in deployment of the artificial lift system. | 07-18-2013 |
| 20130186644 | Mechanical Counter - A mechanical counting device for actuating a plurality of output devices, the device comprising: linear indexing means adapted to count a plurality of actuating signals and to cause actuation of the output devices when a predetermined number of actuating signals for each output device has been received, wherein the mechanical counting device is adapted to cause actuation of a particular device when a different predetermined number of actuating signals has been received such that the output devices are sequentially actuable. | 07-25-2013 |
| 20130192850 | SYSTEM AND METHOD FOR PROVIDING POWER, TWO-WAY COMMUNICATION, AND OPERATION OF DOWNHOLE TOOLS IN A HORIZONTAL WELLBORE - A wireline extension assembly comprises a first tubing string housing a wireline extension electrically interconnecting wet connects at the upper and lower ends of the first string, with the lower wet connect being electrically connected to a downhole tool. The assembly is pushed into the horizontal leg of a deviated wellbore by forming a second tubing string extending upward from the upper end of the first string, thereby positioning the tool within the horizontal leg while leaving the upper wet connect disposed within the vertical leg. A primary wireline is then run from a surface wireline unit into the upper string and connected to the upper wet connect, thus providing electrical power, data communication, and/or other facilities to the tool. The tool can be repositioned within the horizontal leg by withdrawing the primary wireline, removing or upper string tubing sections, and then reinstalling the primary wireline. | 08-01-2013 |
| 20130213670 | Downhole Apparatus - A downhole apparatus for depositing a tool in a side pocket mandrel is described. The apparatus comprises an apparatus body, a tool holder and a displacement mechanism for connecting the tool holder to the apparatus body. The tool holder is movable between a run-in position, in which the tool holder is adjacent the body, to a displaced position, in which the tool holder is spaced away from the body As a tool is moved between the run-in position and the displaced position, a tool longitudinal axis remains substantially parallel to an apparatus body longitudinal axis. | 08-22-2013 |
| 20130233568 | Composite Centralizer with Expandable Elements - A centralizer comprises a first body portion, a second body portion, a plurality of bow springs connecting the first body portion to the second body portion, and one or more expandable elements coupled to the first body portion and the second body portion. A method of centralizing a wellbore tubular comprises compressing a bow spring radially inward from a starting position to a compressed position, wherein the bow spring is coupled to a first body portion and a second body portion, applying a tensile force between the first body portion and the second body portion while the bow spring is in the compressed position, and restoring the bow spring from the compressed position to the starting position. | 09-12-2013 |
| 20130233569 | ANTI-ALTERATION WELLHEAD VAULT - A wellhead vault for preventing alteration of the wellhead of a water supply. The vault is a heavy bell-shaped structure, formed of concrete, and placed over and around the wellhead. The vaults too heavy to be removed by human lifting. Lifting elements are provided to allow the vault to be installed and removed by heavy construction equipment. | 09-12-2013 |
| 20130248206 | WELL CENTRALIZER - A centralizer assembly having a tubular body member with upper and lower channels extending around the external surface of said central tubular body member. A bow spring assembly having bow spring members is installed around the outer surface of the tubular body member and can rotate about the outer surface of the central tubular body member. Bow spring heel supports prevent the bow spring members from contacting the outer surface of the central tubular member when compressed. Non-abrasive materials prevent damage to wellhead or other polished bore receptacles. A robust bolster frame protects the centralizer assembly during shipping, storage or other periods of non-use. | 09-26-2013 |
| 20130248207 | CENTRALISER - A centraliser is disclosed for an oil, gas or water well, the centraliser having a body, and the body having a bore with an axis, the bore being configured to receive a tubular to be centraliser, the body having at least one resilient device configured to extend radially from the axis of the bore, wherein the body has at least one collar member extending radially inwards from the centraliser body adjacent to an end of the body. The collar can be formed separately from the body and attached subsequently, so that the body and the resilient device can optionally be formed in a single stamping or forming step from a single sheet of resilient material. The collars (typically at each end) are typically fixed co-axially in the bore so as to be resistant to axial movement of the collar member within the bore relative to the body of the centraliser, and can be retained in the body by radially extending a lip formed by forcing material at the ends of the body radially inwards into the bore to retain the collar. The body is typically adapted to receive within the bore at least one anchoring device for connection to the tubular, and the anchoring device is configured to engage the collar member within the bore of the body so that relative movement of the centraliser and the tubular is restricted once the anchoring device is fixed to the tubular and the anchoring device engages the collar member. A method of centralising a tubular in a borehole for an oil, gas or water well, and a method of making a centraliser for centralising a tubular in an oil, gas or water well are also disclosed. | 09-26-2013 |
| 20130255968 | Casing Window Assembly - A casing window assembly and methods for installing the casing window assembly. | 10-03-2013 |
| 20130264071 | Pressure Activated Contingency Release System and Method - A release mechanism for use with a downhole component in a wellbore environment comprises a shifting sleeve disposed about a mandrel, where the shifting sleeve is torsionally locked with respect to the mandrel, a collet prop disposed about the mandrel and engaged with the shifting sleeve, where the engagement between the collet prop and the shifting sleeve is configured to torsionally lock the collet prop with respect to the shifting sleeve, and a collet engaged with the collet prop, wherein the collet couples the mandrel to the downhole component. | 10-10-2013 |
| 20130269954 | Rod Suitable for Being Inserted Into a Deviated Wellbore and a Method of Manufacturing the Same - This application is directed toward a rod ( | 10-17-2013 |
| 20130269955 | Downhole Apparatus - Downhole apparatus comprises a base pipe and a plurality of non-concentric pressure deformable chambers mounted externally on the pipe. The chambers may be inflated to increase the diameter of the apparatus and engage and support a surrounding bore wall. | 10-17-2013 |
| 20130292135 | Method and Apparatus for Launching Objects in Dual Gradient Systems - An apparatus for launching objects, such as during casing cementing operations, in wells having dual gradient fluid systems or certain downhole internal diameter restrictions. A launching assembly is located below a dual gradient valve or other restriction. In one embodiment, control lines extend from the earth's surface to the launching assembly and control actuation of the launching assembly. In an alternative embodiment, a receptacle assembly is positioned above a dual gradient valve or other restriction, with control lines extending from the receptacle assembly to the launching assembly. A dart or other triggering object is launched from the earth's surface to the receptacle assembly in order to control actuation of the launching assembly. | 11-07-2013 |
| 20130292136 | TUBULAR RUNNING DEVICE AND METHOD - A method and apparatus for running tubular(s) into a well bore for use with a top drive or power swivel comprising a make-up assembly with inner and outer members, one of which has an array of ramped or inclined surface(s) while the other is an inner or outer cage with rolling support(s) with or without a central spindle and openings which may also be referred to as tubular engagement apparatus wherein relative movement of the members urges the rolling support(s) to protrude radially through the openings to engage a tubular internally or externally. Also provided is an elevator assembly with elevator links and transfer elevators to position tubular for engagement by the make-up assembly. | 11-07-2013 |
| 20130299188 | Well Access Tools - A telebending tool for conveying a logging tool into a wellbore includes a tool body configured to couple to a logging tool, wherein the body has a central axis. The telebending tool also includes a cam housing coupled to the tool body and having a cam pathway and a nose moveably coupled to the tool body through a pivoting member, wherein the nose has a central axis. The telebending tool further includes a compression spring positioned between the nose and the pivoting member and a camming arm coupled to the nose. The camming arm extends coaxially through the pivoting member to selectively engage the cam pathway of the cam housing. The nose has a first position with the central axis of the nose coaxially aligned with the central axis of the body and a second position with the central axis of the nose oriented at an angle less than 180° relative to the central axis of the body. The nose is configured to be transitioned from the first position and the second position by application of an axial force to the nose. | 11-14-2013 |
| 20130299189 | DRILLING RIG EMPLOYING PIVOTING DRILLING TOWER - An apparatus including a base, and a drilling tower pivotally coupled to the base to pivot the drilling tower between first and second pivot positions. The drilling tower includes a first portion, and a second portion pivotally coupled to the first portion to pivot the second portion between third and fourth pivot positions when the drilling tower is in the first pivot position. According to another aspect, a method includes pivotally coupling a drilling tower to a base, which includes providing a first portion of the drilling tower, pivotally coupling a second portion of the drilling tower to the first portion of the drilling tower, and pivotally coupling the first portion of the drilling tower to the base. | 11-14-2013 |
| 20130299190 | DRILLING RIG CARRIAGE MOVABLE ALONG RACKS AND INCLUDING PINIONS DRIVEN BY ELECTRIC MOTORS - According to one aspect, a drilling rig carriage is adapted to move along a drilling mast, and includes a body structure, electric motors coupled to the body structure, and pinions operably coupled to the electric motors, respectively. The pinions are adapted to engage racks, respectively. According to another aspect, a drilling mast includes a longitudinally-extending frame having a first side portion and a second side portion spaced therefrom. Racks are coupled to the frame at the first side portion thereof. According to yet another aspect, an apparatus includes a drilling mast or tower extending longitudinally along an axis, the tower including racks spaced in a parallel relation. A top drive is movable along the axis and relative to the tower. Electric motors are coupled to the top drive and movable therewith. Pinions are operably coupled to the electric motors, respectively, and engage the racks, respectively, to move the top drive. | 11-14-2013 |
| 20130299191 | LONG THIN STRUCTURES FOR GENERATING AN ENTANGLED FLOW RESTRICTING STRUCTURE - A wire includes a plurality of units. Each unit has a relatively stiff region joined to an intermediate region. The intermediate region has a varying stiffness along its length. The intermediate region is joined to a relatively pliable region. | 11-14-2013 |
| 20130306328 | ACTUATOR SWITCH FOR A DOWNHOLE TOOL, TOOL AND METHOD - An actuator switch for actuation of a downhole tool, the actuator switch comprising: a rheomagnetic fluid having a state convertible between a liquid and a solid by the application of a magnetic field thereto, a change in the state of the rheomagnetic fluid acting to actuate the downhole tool; and a magnet installed in the tool and moveable relative to the rheomagnetic fluid to apply or remove the magnetic field to the rheomagnetic fluid, the magnet being moved by through tubing operations in an inner diameter of the downhole tool. | 11-21-2013 |
| 20130312982 | THERMAL RELEASE MECHANISM FOR DOWNHOLE TOOLS - A release mechanism for use in setting a downhole tool comprises two connectors releasably connected to one other. One of the connectors includes a material having a coefficient of thermal expansion that is different from a material included in the second connector. The difference in the coefficients of thermal expansion causes one of the connectors to expand greater than the other connector when heat is applied to one or both of the connectors. As a result of the greater expansion of one of the connectors, the connectors release from each other. Upon release, an actuator within the downhole tool is permitted to move and cause actuation or setting of the downhole tool. | 11-28-2013 |
| 20130312983 | DOUBLE SWIVEL APPARATUS AND METHOD - A double swivel for use with a top drive power unit supported for connection with a well string in a well bore to selectively impart longitudinal and/or rotational movement to the well string, a feeder for supplying a pumpable substance such as cement and the like from an external supply source to the interior of the well string in the well bore without first discharging it through the top drive power unit including a mandrel extending through double sleeves which are sealably and rotatably supported thereon for relative rotation between the sleeves and mandrel. The mandrel and sleeves have flow passages for communicating the pumpable substance from an external source to discharge through the sleeve and mandrel and into the interior of the well string below the top drive power unit. The unit can include a packing injection system, clamp, and novel packing configuration. In an alternative embodiment the unit can include a plug or ball insertion tool. | 11-28-2013 |
| 20130319686 | CENTRALIZER CONNECTOR - Embodiments of the present disclosure are directed toward a wedge segment. In certain embodiment, the wedge segment includes an arcuate body having a tapered profile sized to engage with a tubular element, a first surface of the arcuate body comprising a first surface treatment configured to grip an outer surface of the tubular element, and a second surface comprising a second surface treatment configured to grip an inner surface of an annular member disposed about the tubular element. | 12-05-2013 |
| 20130319687 | Apparatus Configuration Downhole - A method comprising moving a shifting tool in a first direction through a moveable member positioned in a casing of a wellbore, including moving the shifting tool through a shifting tool interface member (STIM) adjacent the moveable member, until the shifting tool is positioned past the moveable member and the STIM. The shifting tool is then moved in a second direction substantially opposite the first direction until the shifting tool and the STIM engage. The shifting tool is then further moved in the second direction, thereby moving the STIM and the moveable member in the second direction, until the STIM substantially simultaneously (1) engages the casing and (2) disengages the shifting tool. | 12-05-2013 |
| 20130327543 | Drilling Rig Carriage Movable Along Racks and Including Pinions Driven by Electric Motors - According to one aspect, a drilling rig carriage is adapted to move along a drilling mast, and includes a body structure, electric motors coupled to the body structure, and pinions operably coupled to the electric motors, respectively. The pinions are adapted to engage racks, respectively. According to another aspect, a drilling mast includes a longitudinally-extending frame having a first side portion and a second side portion spaced therefrom. Racks are coupled to the frame at the first side portion thereof. According to yet another aspect, an apparatus includes a drilling mast or tower extending longitudinally along an axis, the tower including racks spaced in a parallel relation. A top drive is movable along the axis and relative to the tower. Electric motors are coupled to the top drive and movable therewith. Pinions are operably coupled to the electric motors, respectively, and engage the racks, respectively, to move the top drive. | 12-12-2013 |
| 20130327544 | Wireline Pressure Setting Tool and Method of Use - A method and apparatus for retro-fitting an explosive setting tool to a non-explosive setting tool is provided to eliminate the use of pyrotechnics when setting auxuliary tools. An explosive setting tool is retro-fitted by removing the pyrotechnic elements of the tool and replacing them with a conversion assembly including a hydraulic pump, thus converting the explosive tool into a non-explosive tool. The hydraulic pump provides the energy necessary to set the auxiliary tool. Once the auxiliary tool has been set, the non-explosive setting tool can be brought to the surface and reset using a resetting tool. | 12-12-2013 |
| 20130341044 | Long lateral completion system and method - A completion system and method adapted for use in wells having long lateral boreholes includes a mast assembly, a pipe handling mechanism, a pipe arm, a pipe tub, a pump/pit combination skid, a rig carrier, and a control system. The control system can be used to automate operations of the completion system to facilitate rapid and safe make-up and breaking of tubular connections. | 12-26-2013 |
| 20130341045 | Guide attachment for use with drive systems - A completion system and method adapted for use in wells having long lateral boreholes includes a mast assembly, a pipe handling mechanism, a pipe arm, a pipe tub, a pump/pit combination skid, a rig carrier, and a control system. The control system can be used to automate operations of the completion system to facilitate rapid and safe make-up and breaking of tubular connections. | 12-26-2013 |
| 20130341046 | System and method for controlling surface equipment to insert and remove tubulars with a well under pressure - An apparatus and method is provided for controlling the coordination of pressure control equipment such as a BOP stack and/or a snubbing unit and/or other pressure control equipment in a well completion system while moving pipes into or out of a wellbore under pressure. In one embodiment, a moveable clamp and a fixed clamp are provided. The moveable clamp is clamped to a pipe while the fixed clamp is open so that the moveable clamp either moves the pipe into the well or pulls it out of the well. The fixed clamp is then clamped to the pipe. The moveable clamp is unclamped and moves to another position whereupon the process is repeated. A computer controls operation of the moveable clamp, fixed clamp, seals, and pipe moving equipment which moves pipe into and out of the mast. | 12-26-2013 |
| 20140014365 | DOWNHOLE DRIVING UNIT HAVING A HYDRAULIC MOTOR WITH A PLANETARY GEARING SYSTEM - The present invention relates to a downhole driving unit ( | 01-16-2014 |
| 20140014366 | DOWNHOLE DRIVING UNIT HAVING A HYDRAULIC MOTOR WITH A STATIC CAM RING - The present invention relates to a downhole driving unit ( | 01-16-2014 |
| 20140014367 | DOWNHOLE DRIVING UNIT HAVING A SPRING MEMBER FOR ASSEMBLING A HYDRAULIC MOTOR HOUSING - The present invention relates to a downhole driving unit ( | 01-16-2014 |
| 20140014368 | DOWNHOLE DRIVING UNIT HAVING A HYDRAULIC MOTOR IN A WHEEL - The present invention relates to a downhole driving unit (11) (for insertion into a well, comprising a driving unit housing (51), an arm assembly (60) movable between a retracted position and a projecting position in relation to the driving unit housing, an arm activation assembly (41) arranged in the driving unit housing for moving the arm assembly between the retracted position and the projecting position and a wheel assembly (90) comprising a stationary part (91) and a rotational part (92), the stationary part being connected with or forming part of the arm assembly and being rotatably connected with a rotational part. The wheel assembly comprises a hydraulic motor comprising a hydraulic motor housing (93) and a rotatable section (84) connected with the rotational part for rotating part of the wheel assembly. Furthermore, the present invention relates to a downhole system comprising said driving unit and to use of such driving unit. | 01-16-2014 |
| 20140014369 | SERVICE PANEL - The present invention relates to a downhole tool comprising a tool housing for accommodating components of the downhole tool, the tool housing comprising; a first tool housing part having a first end face and a second end face, and an activation unit removably connected with the first tool housing part, the activation unit comprising: a second tool housing part, and a closing member removably connected with the second tool housing part, wherein the second tool housing part and the closing member together constitute a fluid-tight chamber wherein a fluid is retained, the fluid-tight chamber housing mechanical and/or hydraulic and/or electrical components, and wherein the activation unit may be separated from the first tool housing part while the closing member is connected with the second tool housing part. The invention further relates to a downhole system and to a method of performing services of a downhole tool. | 01-16-2014 |
| 20140020910 | In Situ Plasticization of Polymers For Actuation or Mechanical Property Change - An in situ method deploy and/or plasticize a shape-memory material in order to change the material's physical dimensions and/or mechanical properties, including a method for deploying a shape-memory polymer having a deformed or compressed shape in an environment at a first temperature, the shape memory polymer having a first glass transition temperature which is greater than the first temperature. The method also includes decreasing the glass transition temperature of shape memory polymer from the first glass transition temperature to a second glass transition temperature which is less than or equal to the first temperature; and expanding the shape memory polymer to deploy the shape memory polymer in a deployed shape. | 01-23-2014 |
| 20140048288 | HYDROSTATIC PRESSURE ACTUATED STROKE AMPLIFIER FOR DOWNHOLE FORCE GENERATOR - Methods and apparatus are presented for a hybrid downhole force generator (DFG) using a stroke amplifier driven by hydrostatic pressure for a low-force, long-stroke portion of setting a downhole tool and a DFG powered shaft for a high-force, short-stroke portion of setting the tool. The stroke amplifier has a piston slidable in a housing, movable in response to hydrostatic pressure. The DFG powered shaft is connected to the piston via one-way slips which allow relative motion of the piston and shaft in one direction. The amplifier housing is connected to the DFG housing. In use, the DFG shaft is powered by a power supply, such as an electric motor, etc. The shaft is powered to shear a shearing mechanism, freeing the piston to move in response to the hydrostatic pressure. | 02-20-2014 |
| 20140083720 | Expandable Screen by Spring Force - A sand control screen assembly selectively positionable within a wellbore. The sand control screen assembly comprises a pipe having an internal flow path, an external fluid collection subassembly in fluid communication with the internal flow path, a filter medium disposed in a fluid path between the exterior of the sand control screen assembly and the internal flow path, a biasing mechanism, configured to bias the fluid collection subassembly towards a wall of the wellbore, disposed between the fluid collection subassembly and the pipe, and a retaining mechanism configured to release the biasing mechanism in response to a trigger. | 03-27-2014 |
| 20140102716 | MULTILATERAL BORE JUNCTION ISOLATION - A junction can be isolated from fracturing pressure using a liner extending from a one bore through a junction into a lateral bore, where at least a portion of the liner is retrievable from the lateral bore prior to completion of wellbore construction. The junction may be temporarily isolated from high pressure, such as high pressure from a fracturing stimulation process. Part of the liner can be retrieved using a disconnect mechanism or technique. | 04-17-2014 |
| 20140102717 | METHOD FOR LAUNCHING REPLACEMENT BALLS - A method for successively releasing balls into a wellbore during wellbore operations is disclosed. The method includes providing at least a first ball injector for storing at least a primary set of primary balls and at least a second set of redundant balls, releasing a ball from the at least primary set of primary balls and determining if the released ball properly seats and engages its intended corresponding downhole tool. If it is determined that the released ball did not properly engage and actuate its intended corresponding tool, a redundant ball from the second set of redundant balls can be released without interrupting wellbore operations. In an alternate embodiment, the first ball injector can be a primary ball injector for storing and releasing the at least primary set of primary balls, and a second ball injector for storing and releasing the at least second set of redundant balls, the first and second ball injectors arranged in parallel. | 04-17-2014 |
| 20140102718 | Cycle device - Device (A) for controlling and/or operating a tool, a device or underwater equipment employed in connection with exploration and recovery of hydrocarbons offshore or onshore. The device (A) comprises a hollow sleeve (S) with a number of recesses (U, Ut | 04-17-2014 |
| 20140110134 | VIBRATOR SUB - A vibrator tool for use in inserting a bottom hole assembly into a wellbore, the vibrator tool including a substantially cylindrical body, a motor within the substantially cylindrical body, a non-linear shaft attached to the motor so that the motor turns the non-linear shaft, the non-linear shaft extending outwardly from the motor within the substantially cylindrical body, and a bearing attached to the shaft a predetermined distance from the motor so that the bearing rotates as the non-linear shaft turns, the bearing contacting portions of the inner surface of the cylindrical body as the non-linear shaft turns, thereby vibrating the substantially cylindrical body. | 04-24-2014 |
| 20140116726 | Downhole Sensor and Method of Coupling Same to A Borehole Wall - Devices and methods for borehole seismic investigation are provided. The devices are a downhole tool having gripping devices which may improve contact between the downhole tool and the borehole wall (or casing of the borehole wall) and reduce slippage as compared to downhole tools without the gripping devices. The methods involve lowering a downhole tool having the gripping devices into a borehole and applying force to cause the gripping devices to penetrate or create an indentation in the borehole wall (or casing of the borehole wall). The methods and devices may improve the coupling between the downhole tool and surface to be monitored and/or may enhance the frequency range due to higher coupling frequency as compared to downhole tools without the gripping devices. | 05-01-2014 |
| 20140116727 | WELL SCREEN WITH CHANNEL FOR SHUNT OR CABLE LINE - Disclosed herein is a downhole well screen, having a base pipe with a filter mounted thereon with the filter comprising plurality of spaced layers including a screen layer. A longitudinally extending channel is formed in the well screen by plastically deforming the filter. The channel is selected to be of a size and shape to accommodate well control lines. | 05-01-2014 |
| 20140116728 | MULTI-LATERAL RE-ENTRY GUIDE AND METHOD OF USE - A downhole tool for use in a multilateral wellbore includes a guide member on one end that selectively projects into a designated wellbore, where the designated wellbore can be a motherbore or a lateral wellbore. Pistons are set radially in a body of the tool that selectively push against an end of the guide member to pivot it into a designated orientation to guide the tool into the designated wellbore. The pistons are hydraulically actuated when probes that are on sides of the tool body extend outward into contact with a lateral wellbore. The probes block hydraulic flow when retracted, but when deployed outward they allow fluid communication to push the pistons against the guide member. | 05-01-2014 |
| 20140116729 | WIRELINE CRAWLER TRACTOR - A well tractor for use in inserting a bottom hole assembly into a wellbore, the well tractor including a tractor body, and two or more wheels connected to the tractor body by pivot arms and having a retracted position and a deployed position, the at least two wheels moveable between the retracted and deployed positions by hydraulic cylinders attached to the pivot arms. The well tractor further includes a track creating a loop around at least two wheels and engaged with the wheels, so that when the wheels rotate, the track also rotates around the wheels, When the wheels are in the retracted position, the track is maintained in close proximity to the tractor body, and when the wheels are in the deployed position, the track extends radially away from the tractor body and into contact with surfaces of the wellbore. | 05-01-2014 |
| 20140116730 | METHOD AND SYSTEM FOR DRIVING A DOWNHOLE POWER UNIT - A method and apparatus for setting a subsurface device in a wellbore is disclosed. A downhole power unit comprises a power rod and a drive shaft. The power rod comprises a hollow interior. The drive shaft is located within the hollow interior, and the power rod is operable to selectively engage a subsurface device to be positioned downhole. | 05-01-2014 |
| 20140124220 | MECHANICALLY ACTUATED DEVICE POSITIONED BELOW MECHANICALLY ACTUATED RELEASE ASSEMBLY UTILIZING J- SLOT DEVICE - A tool string carrying an external tool, such as a liner hanger, on a release mechanism is lowered into the wellbore. Interlocking lugs and J-slot profile, defined between the exterior surface of the mandrel and interior surface of the release mechanism, allow relative movement of release mechanism and mandrel without releasing the release mechanism. The relative movement allows mechanical operation of a valve or other tool positioned below the release mechanism. Weight-down and rotation of the tool string and mandrel actuates the lower valve assembly by turning a sleeve into alignment with cooperating members of the mandrel. The sleeve, no longer constrained, moves longitudinally in response to a biasing mechanism. Movement of the sleeve allows closure of the valve. After actuation of the valve tool, further weight-down releases the release mechanism from the carried tool. | 05-08-2014 |
| 20140151067 | Casing Manipulation Assembly with Hydraulic Torque Locking Mechanism - Devices and method for engaging a casing member for manipulation. A hydraulic torque locking mechanism is incorporated into a casing manipulation assembly. The hydraulic torque locking mechanism includes a clutch mechanism that is actuated using surface pump pressure from tool circulation. | 06-05-2014 |
| 20140151068 | DOWNHOLE PULSE GENERATING DEVICE FOR THROUGH-BORE OPERATIONS - A downhole tool comprises a housing having a longitudinal bore and an agitator assembly disposed within the longitudinal bore of the housing. A removable component is disposed within the longitudinal bore and can be removed from the housing so as to at least partially open the longitudinal bore. | 06-05-2014 |
| 20140158374 | METHOD OF RUNNING A PIPE STRING HAVING AN OUTER DIAMETER TRANSITION - One embodiment provides an adjustable guide | 06-12-2014 |
| 20140166310 | EXPANDABLE LINER FOR OVERSIZED BASE CASING - An expandable tubular member comprises a first portion having a first inner diameter and a first wall thickness. A second portion of the expandable tubular member has an increased inner diameter and an increased wall thickness. A transition portion of the expandable tubular member is defined by a wall thickness that varies non-linearly between the first wall thickness and the increased wall thickness. | 06-19-2014 |
| 20140166311 | Multi-Position Weight Down Locating Tool - A weight down tool comprises a central mandrel configured to be coupled to a wellbore tubular, a plurality of outwardly extending hunter lugs disposed about the central mandrel, and a plurality of radially expandable weight down lugs disposed about the central mandrel. The hunter lugs are configured to retract in response to moving through an upper restriction in a downwards direction and to expand the weight down lugs into an expanded position in response to moving through the upper restriction in an upwards direction. The weight down lugs are configured to retract out of the expanded position in response to moving through the upper restriction in an upwards direction. | 06-19-2014 |
| 20140166312 | Multi-Position Weight Down Locating Tool - A weight down tool comprises a central mandrel configured to be coupled to a wellbore tubular, an outwardly extending indicator disposed about the central mandrel, and a plurality of radially expandable weight down lugs configured to engage a lower restriction and prevent downwards movement of the central mandrel with respect to the lower restriction when disposed in an expanded position. The indicator is configured to retract inwards in response to moving through an upper restriction in a downwards direction to expand the weight down lugs into the expanded position in response to moving through the lower restriction in an upwards direction. The weight down lugs are configured to retract out of the expanded position in response to moving through the upper restriction in an upwards direction. | 06-19-2014 |
| 20140174759 | Downhole Tool Centralizing Pistons - The present disclosure is directed to setting pistons designed to centralize downhole tools within a wellbore. In one embodiment, a downhole tool includes a probe extendable to engage a wall of a wellbore and a setting piston extendable towards the wall of the wellbore. A roller is coupled to the setting piston and designed to roll circumferentially along the wall to pivot the downhole tool within the wellbore. | 06-26-2014 |
| 20140174760 | SYSTEM AND METHOD FOR CONVEYING - A technique facilitates conveyance of equipment along a wellbore or other tubular structure. A tractor is provided with a plurality of wheels oriented to engage a surrounding wall. Rotation of the wheels drives the tractor and causes longitudinal movement of the tractor with respect to the surrounding wall via a tangential force created between each wheel and the surrounding wall. Each wheel comprises teeth having a wheel tooth geometry which enhances cooperation with the surrounding wall. For example, the wheel tooth geometry may be designed to cooperate with the tangential force to push debris out of the teeth of each wheel during rotation of the wheel along the surrounding wall. In some applications, the wheel tooth geometry is designed to present a plurality of raised, rounded surfaces which engage the surrounding wall with a low stress impact. | 06-26-2014 |
| 20140174761 | Downhole Shifting Tool - A shifting tool for use in shifting axial position of a shiftable element in a well. The tool comprises a linkage mechanism configured to translate an independent axial force into a dedicated radial force applied to expansive elements thereof. Thus, the elements may radially expand into engagement with the shiftable element free of any substantial axial force imparted thereon. As such, a more discretely controllable shifting actuation may be attained, for example, as directed from an oilfield surface. Indeed, real-time intelligent feedback may also be made available through use of such elements in conjunction with the noted linkage mechanism. | 06-26-2014 |
| 20140174762 | Method And Apparatus For Pipe-Conveyed Well Logging - A well logging instrument deployment device according to this aspect of the invention includes a housing configured to be coupled to a pipe string. A latch disposed in the housing and is configured to retain a well logging instrument in a first longitudinal position inside the pipe string. An actuator is configured to release the latch to enable longitudinal movement of the well logging instrument inside the pipe string. A signal detector is operatively coupled to the actuator and is the configured to detect a command signal for operating the actuator. | 06-26-2014 |
| 20140190707 | REINFORCED SHEAR COMPONENTS AND METHODS OF USING SAME - A shear component for releasably securing a first component to a second component, the shear component comprising a body having a first end, a second end, an outer wall surface, an inner wall surface defining a cavity, a shear plane, and a core disposed within the cavity and in sliding engagement with the inner wall surface of the body. The core comprises a first position in which the core is disposed in alignment with the shear plane, and a second position in which the core is disposed out of alignment with the shear plane. The shear component can be included in a downhole tool to maintain the downhole tool in the run-in or initial position until being compromised by a stimulus. | 07-10-2014 |
| 20140216758 | DEPLOYING AN EXPANDABLE DOWNHOLE SEAT ASSEMBLY - A method includes running an assembly on a tool in a contracted state into a well. The assembly includes segments that are adapted to be radially contracted and arranged in a first number of layers along a longitudinal axis of the assembly in the contracted state of the assembly. The technique includes using the tool to expand the assembly downhole in the well to transition the assembly between the contracted state and an expanded state. Using the tool to expand the seat assembly includes radially expanding the segments and longitudinally contracting the segments to arrange the layers in a second number of layers having at least one layer less than the first number. | 08-07-2014 |
| 20140238691 | ANTI-ALTERATION WELLHEAD VAULT - A wellhead vault for preventing alteration of the wellhead of a water supply. The vault is a heavy bell-shaped structure, formed of concrete, and having a downwardly facing concavity, and the vault placed over, with the concavity around the wellhead. The vaults too heavy to be removed by human lifting. Lifting elements are provided to allow the vault to be installed and removed by heavy construction equipment. The vault has a vent that communicates between the concavity and the outside, allowing air, but not liquid, liquid or solid contaminants, or animals, to pass through. | 08-28-2014 |
| 20140251637 | Gripping Dies for Continuous Coiled Rod Injectors and Fabrication and Use Methods Relating to Same - Gripper dies for a continuous coiled rod injector are machined from a single, unitary, integral steel body forming both the base portion for connection to the injector drive chain and the gripping portion for engagement of the continuous coiled rod. Lower skate pressure is required relative to conventional aluminum dies, increasing the lifespan of injector components while providing improved performance and avoiding damage to the coiled rod by use of alternating grooves and ridges in the gripping face of the die and smoothly radiused transitions the ends thereof. | 09-11-2014 |
| 20140251638 | TUBULAR APPARATUS FOR MAKING RIGID TUBULAR STRUCTURES, AND CORRESPONDING INSTALLATION METHOD - Described herein is a tubular apparatus for making rigid tubular structures, comprising a flexible cylindrical wall ( | 09-11-2014 |
| 20140262337 | Fatigue Resistant Coiled Tubing - The disclosed manufacture method for a length of tubing can produce a length of fatigue resistant tubing that has relatively high fatigue resistance and relatively low strip-to-strip welding length. The Fatigue resistance is calculated from experimental settings with controlled parameters and/or simulations reproducing similar material properties and loading conditions. A high fatigue resistance means certain product characteristics (e.g., low plasticization, low hydrostatic stress levels and free of imperfections welds) can be retained with an adequate bias weld design at low values after a specific test number of cyclic loading. The relatively low strip-to-strip welding length is an advantage for reducing probabilities of having cracks initiated and/or propagated at weld locations, where imperfections and localized differences of mechanical properties commonly cause failure. Low strip-to-strip welding length can also reduce the costs for welding. | 09-18-2014 |
| 20140262338 | BLENDER SYSTEM WITH MULTIPLE STAGE PUMPS - A blending system for oilfield operations is disclosed having a first stage pump with a mixer having a housing and an impeller and configured to receive a liquid component at an initial pressure and a dry component and mix the liquid and dry components to form a slurry, add energy to the slurry to increase its pressure above the initial pressure, and discharge the slurry through an outlet at a first pressure, and a second stage pump with an inlet and an outlet, the inlet in fluid communication with the first stage pump. The second stage pump is configured to receive the slurry from the first stage pump and pressurize the slurry to a second pressure at the outlet of the second stage pump. The second stage pump is positioned relative to the first stage pump to minimize a pressure loss between the first stage pump and the second stage pump. | 09-18-2014 |
| 20140262339 | METHOD AND APPARATUS FOR CONTROLLING EROSION IN A DOWNHOLE TOOL - A drill string is comprised of a tubular element and an elastomeric element. The tubular element has an interior surface and a longitudinal axis. The elastomeric element is positioned on the interior surface of the tubular element, and includes one or more ribs extending from the interior surface of the tubular element and arranged in a configuration that diverges from the longitudinal axis of the tubular element. The ribs form an opening within the tubular element having a diameter of a preselected size substantially similar to a diameter of a tool to be positioned therein. | 09-18-2014 |
| 20140262340 | METHODS AND SYSTEMS FOR DRILLING FROM UNDERGROUND ACCESS TUNNELS TO DEVELOP SUBTERRANEAN HYDROCARBON RESERVOIRS - A method for accessing a hydrocarbon reservoir in a subterranean formation from a subterranean tunnel system includes (a) drilling a first bore between an upper tunnel and a lower tunnel. In addition, the method includes (b) drilling a second bore downward from the lower tunnel. | 09-18-2014 |
| 20140262341 | APPARATUS AND METHODS FOR LIMITING MOVEMENT OF GRIPPING MEMBERS - An apparatus to limit movement of gripping members relative to an elevator includes a locking arm coupled to the gripping members and a first engagement arm. The locking arm includes a set of teeth disposed longitudinally thereon, and the first engagement arm includes a first set of complimentary teeth configured to engage with the set of teeth of the locking arm. The first engagement arm is moveable between a disengaged position, in which the first engagement arm and the locking arm are relatively moveable, and an engaged position, in which the first engagement arm allows the locking arm to move in a first direction but prevents the locking bar from moving in a second direction by more than a selected distance. The teeth of the locking arm engage the first set of complimentary teeth of the first engagement arm when the first engagement arm is in the engaged position. | 09-18-2014 |
| 20140305660 | Shock Absorber, Related Methods and Apparatuses - A shock absorber ( | 10-16-2014 |
| 20140311755 | APPARATUS FOR DRIVING AND MANEUVERING WIRELINE LOGGING TOOLS IN HIGH-ANGLED WELLS - A data logging apparatus for use in a wellbore of a fluid production well includes a forward portion for guiding the data logging tool through the wellbore. An elongated body having a first end and a second end includes electronic circuitry for receiving data from at least one sensor provided on the data logging tool. An elongated shaft having a first end is connected to the forward portion, and a second end of the elongated shaft is connected to the first end of the elongated body. A propulsion assembly is connected to the second end of the elongated body for self-propelling the data logging tool through the fluid production well. The self-propelled data logging tool can transverse though the wellbore having inclinations of at least fifty degrees. An outwardly extending support arm assembly is rotatably attached about the elongated shaft to prevent the logging tool from uncontrollably spinning. | 10-23-2014 |
| 20140311756 | Pipe Centralizer Having Low-Friction Coating - A centralizer for a tubular body in a wellbore is provided herein. The centralizer includes an elongated body having a bore there through. The bore is dimensioned to receive a tubular body. The elongated body has an inner surface and an outer surface. The centralizer also has a coating deposited on at least the inner surface. The coating is designed to provide a reduced coefficient of friction on the surface. A method of fabricating a centralizer is also provided herein. | 10-23-2014 |
| 20140318810 | Manipulatable Filter System - A wellbore servicing system comprising a first wellbore servicing system component configured to communicate a fluid via a first fluid conduit, a second wellbore servicing system component comprising a second fluid conduit, and a filter system comprising an input conduit in fluid communication with the first fluid conduit, a plurality of input flow paths, wherein each input flow path is in fluid communication with the input conduit, a plurality of filter housings, wherein each filter housing is in fluid communication with one of the plurality of input flow paths, a filter disposed within each of the filter housings, a plurality of output flow paths, wherein each output flow path is in fluid communication with one of the filter housings, an output conduit in fluid communication with each of the output flow paths and the second fluid conduit. | 10-30-2014 |
| 20140318811 | SCREEN ASSEMBLY - A screen assembly including one or more screen members that correspondingly form one or more flow paths. The one or more flow paths are discrete from a tubular with which the one or more screen members are associated, but in fluid communication with an axial passageway of the tubular. A method of using a screen assembly is also included. | 10-30-2014 |
| 20140318812 | APPARATUS FOR USE IN A FLUID CONDUIT - An apparatus for use in a fluid conduit comprises a plurality of segments arranged along a longitudinal axis, each segment comprising an extendable structure configured for extension in a lateral direction relative to the longitudinal axis, wherein the apparatus is configured for the sequential initiation of lateral extension of the extendable structures of at least two segments. At least two segments may be configured to define different maximum extended dimensions in the lateral direction and may include adjacent support surfaces which provide mutual support for one another when the at least two segments are laterally extended. The apparatus may be configured to form a seal, an anchor, a supporting structure and/or a flow restriction in a fluid conduit. | 10-30-2014 |
| 20140332237 | CHAIN SERVICE INDICATOR - An injector head unit includes one or more drive chains revolving within a common plane mounted on an upper drive sprocket and a lower drive sprocket, wherein at least one of the upper and lower drive sprockets are configured to move vertically to tension the drive chains, and at least one fixed reference point proximate to at least one of the upper and lower drive sprockets, wherein relative positioning of one of the movable upper and lower drive sprockets with the fixed reference point indicates to a user an amount of elongation of the drive chains after a certain period of time. | 11-13-2014 |
| 20140338924 | DOWNHOLE ACTIVATION SYSTEM USING MAGNETS AND METHOD THEREOF - A downhole activation system within a tubular. The system includes an axially movable member; a first magnetic field source having a first field with a first axial orientation movable with the member. A second magnetic field source having a second field with an axial orientation different from the first orientation and separated from the first magnetic field source. The second field being magnetically repulsed by the first field; and, a biasing device urging the second magnetic field source towards the first magnetic field source; wherein movement of the first magnet via the member towards the second magnet moves the second magnet in a direction against the biasing device. A method of activating an activatable member in a downhole tubular. | 11-20-2014 |
| 20140352981 | Wellbore Servicing Tools, Systems and Methods Utilizing Downhole Wireless Switches - A wellbore tool comprising a power supply, an electrical load, a receiving unit configured to passively receive a triggering signal, and a switching system electrically coupled to the power supply, the receiving unit, and the electrical load, wherein the switching system is configured to selectively transition from an inactive state to an active state in response to the triggering signal, from the active state to the active state in response to the triggering signal, or combinations thereof, wherein in the inactive state a circuit is incomplete and any route of electrical current flow between the power supply and the electrical load is disallowed, and wherein in the active state the circuit is complete and at least one route of electrical current flow between the power supply and the electrical load is allowed. | 12-04-2014 |
| 20140367120 | DOWNHOLE FUEL CELL WITH STEAM ADSORPTION AND PRESSURE COMPENSATION - A fuel cell for use in downhole applications stores steam created by the chemical reaction in a desiccant like Zeolite. The fuel cell also uses ambient hydrostatic pressure to increase cell voltage and power-density. | 12-18-2014 |
| 20140374123 | CORRODIBLE TRIGGERING ELEMENTS FOR USE WITH SUBTERRANEAN BOREHOLE TOOLS HAVING EXPANDABLE MEMBERS AND RELATED METHODS - Expandable apparatus include a triggering element comprising an at least partially corrodible composite material. Methods are used to trigger expandable apparatus using such a triggering element and to form such triggering elements for use with expandable apparatus. | 12-25-2014 |
| 20150013993 | DOWNHOLE CONSTRUCTION OF VACUUM INSULATED TUBING - A method for adjusting a pressure within a wellbore. The method can include inserting a first tubing into the wellbore. The method can also include mechanically coupling a bottom coupling feature of a multiple connection bushing to the first tubing. The method can further include mechanically coupling a second tubing to a first top coupling feature of the multiple connection bushing. The method can also include mechanically coupling a third tubing to a second top coupling feature of the multiple connection bushing, where the third tubing has an inner diameter that is greater than an outer diameter of the second tubing. The method can further include inserting the multiple connection bushing, the second tubing and the third tubing into the wellbore. The method can also include adjusting the pressure within a space between the second tubing, the third tubing, and the multiple connection bushing. | 01-15-2015 |
| 20150013994 | Bell Nipple Assembly Apparatus and Methods - An apparatus including a bell nipple assembly defining a first internal passage that includes two sections forming first and second internal passages that may be aligned by a flexible connector disposed between first and second flanges in one of the sections to at least partially adjust for an offset amount caused by longitudinal axis misalignment of the other section. Methods of adjusting for longitudinal axis offset between two misaligned components, such as of a bell nipple zone, are also encompassed. | 01-15-2015 |
| 20150013995 | METHODS AND SYSTEMS FOR OPERATING A DOWNHOLE TOOL - Apparatuses and methods for operating a downhole tool are disclosed. A downhole tool configuration device includes an upper stem movable between an up position and a down position. The upper stem comprises an extended portion. An outer sleeve is selectively coupleable to the upper stem at the up position and the down position and an inner sleeve is selectively coupleable to the upper stem at the up position and the down position. In the up position, the upper stem is operable to transfer tension to the outer sleeve and torque to the inner sleeve. In the down position, the upper stem is operable to transfer torque to the outer sleeve. | 01-15-2015 |
| 20150027735 | ELECTRICAL POWER STORAGE FOR DOWNHOLE TOOLS - A method of activating a downhole tool can include configuring the tool having an electrical power source, an electrical load, control circuitry which controls the electrical load, and a switch which selectively permits current flow between the power source and the circuitry, and generating electricity, thereby causing the switch to permit current flow between the power source and the circuitry. A downhole tool can include an electrical power source, an electrical load, control circuitry, a switch which selectively permits current flow between the power source and the circuitry, and a generator. Another method can include displacing a fluid and/or an object at the tool, generating electricity in response to the displacing, permitting current flow between an electrical power source and a control circuitry in response to the generating and, after the permitting and in response to detection of a predetermined signal, the circuitry causing activation of an electrical load. | 01-29-2015 |
| 20150027736 | DOWNHOLE WIRELINE TENSION MEASUREMENT - A downhole string and method of operating where tension in the downhole string is monitored real time so that the tension in the downhole string does not exceed its yield strength. Included with the string is a tension sub for monitoring the tension that includes a sensor in the housing of the tension sub. The sensor can be a strain gauge and can be placed proximate an upper end of the downhole string so that tension in a wireline attached to the string can also be monitored. The portion of the housing having the sensor is narrowed for enhancing sensitivity of monitoring. | 01-29-2015 |
| 20150034336 | CENTRALIZER - A centralizer having bow springs in a retracted position to facilitate passage through a restriction. After passing through the restriction, the bow springs may be expanded to support a casing. In one embodiment, the bow springs may be expanded using a movable sleeve. | 02-05-2015 |
| 20150047857 | COMBINED CASING SYSTEM AND METHOD - The invention relates to a method for drilling and casing a wellbore using a drilling rig having a predetermined load capacity, using a casing scheme comprising two or more casing strings, and at least one combined casing string, which includes a first one of the casing strings fitting within a second casing string. The weight of the at least one combined casing string may exceed the load capacity of the drilling rig, and the weight of each of the parts of the at least one combined casing string is less than the load capacity. | 02-19-2015 |
| 20150053425 | Feeding Device for a Downhole Tool and Method for Axial Feeding of a Downhole Tool - A feeding device is for a rotatable downhole tool. The feeding device is provided with several feeding wheels lying in a plane which is slanted relative to a plane which is perpendicular to the center axis of the downhole tool. A method is for feeding a downhole tool axially by the use of the feeding device, when working a portion of a surrounding pipe body. | 02-26-2015 |
| 20150053426 | MOUNTING STRUCTURE WITH STORABLE TRANSPORT SYSTEM - A mounting structure for a rig may include a base configured to support the mounting structure on an operating surface and a plurality of transport systems operatively connected to the base and configured to lift the mounting structure off of the operating surface. An elevated rig platform may be connected to the base by a plurality of support struts, wherein at least some of the support struts comprise a mounting connection that is configured to pivot to lower the elevated rig platform toward the base and place the mounting structure in a partially collapsed state. Additionally, a connecting member may be attached to one or more of the plurality of transport systems, wherein in response to the elevated rig platform being lowered to the partially collapsed state, the connecting member may be configured to displace at least a portion of the one or more transport systems. | 02-26-2015 |
| 20150075812 | UNDER-REAMER - An under-reamer comprises a body and extendable cutters mounted on the body. The under-reamer is configured to be cycled between a first configuration in which the cutters are retracted and a second configuration in which the cutters are movable between retracted and extended positions. A control mechanism is provided and is configurable to prevent the under-reamer cycling between the first and second configurations and thus maintain the under-reamer in a selected one of the first and second configurations. | 03-19-2015 |
| 20150075813 | SELF-ELEVATING MAST EMPLOYING DRIVE CARRIAGE - A method includes attaching a carriage support to a platform, the platform comprising a platform floor having an opening therein, with the carriage support located proximate the opening, attaching a drive carriage to the carriage support, and operably coupling to the drive carriage a first mast section of a mast comprising a plurality of mast sections, and wherein the first mast section is located above the opening. The method also includes arranging a second mast section below the first mast section, lowering, using the drive carriage, the first mast section through the opening, attaching the first mast section to the second mast section, and raising, using the drive carriage, the first mast section and the second mast section through the opening. In an exemplary embodiment, the platform floor is a rig floor. | 03-19-2015 |
| 20150083437 | Method And Apparatus To Enable Toolstring To Negotiate Obstructions Downhole - An apparatus to allow a toolstring to negotiate obstructions in a well includes an elongated body, a centralizer connected with the elongated body; and a nose connected with an end of the elongated body. The nose actuates the centralizer when moved towards the centralizer. | 03-26-2015 |
| 20150083438 | DOWNHOLE TOOL SHOCK ABSORBER WITH ELECTROMAGNETIC DAMPING - A technique facilitates absorption of shock experienced by a tool in a borehole. The technique comprises coupling a tool into a tool string sized for delivery into the borehole. A shock absorber is positioned along the tool string to absorb shock loads incurred by the tool. The shock load experienced by the tool induces an electromagnetic force in the shock absorber which acts in a direction to mitigate the shock load. | 03-26-2015 |
| 20150096765 | FLUID CONTAINER RELOADING TOOL - A fluid container reloading tool for a downhole fluid sampling tool is described. The reloading tool includes an elongated cylindrical body. The body may include a bottom opening sized to engage with a fluid sampling tool deployed within a borehole. A cache of empty fluid containers may be included within the body. A piston may be coupled to at least one of the fluid containers in the cache of fluid containers. The piston may be used to transfer the cache of fluid containers into the fluid sampling tool. The reloading tool may also include a pump in fluid communication with the piston. | 04-09-2015 |
| 20150107855 | DEVICE THAT UNDERGOES A CHANGE IN SPECIFIC GRAVITY DUE TO RELEASE OF A WEIGHT - A method of performing an operation in a wellbore using a device, the method comprises: introducing the device into the wellbore, wherein the device initially comprises a body and a weight; causing or allowing the weight to become disassociated from the body, wherein after disassociation, the device comprises the body, and wherein the specific gravity of the device decreases after the weight becomes disassociated from the body; and causing or allowing at least the body to move towards a wellhead of the wellbore after the weight is disassociated from the body. | 04-23-2015 |
| 20150114667 | High Strength Inlay to Improve Lock-Down Capacity in a Wellhead - A wellhead assembly includes a wellhead housing having a bore and a locking profile including a gallery slot, and an annular notch. An inner wellhead assembly is selectively landed in the bore of the wellhead housing, the inner wellhead assembly having a lock ring with a lock ring profile that engages the locking profile. The engaging surface is a sloped downward facing surface at an axially upper end of the gallery slot. The annular notch has a notch engaging profile with a downward facing notch upper shoulder and an upward facing notch lower shoulder. The locking profile includes an inlay, the inlay being located on the notch upper shoulder and the engaging surface. | 04-30-2015 |
| 20150122509 | Centraliser - A centraliser for centralising a tubular in a conduit is described. The centraliser comprises a body comprising a upper body portion and a lower body portion and a plurality of arms linking the upper body portion to the lower body portion. Relative movement of the upper and lower body portions towards each other causes the arms to buckle radially outwards into a set configuration in which the arms are engaged, in use, with a conduit. | 05-07-2015 |
| 20150129240 | Completion Systems Including an Expansion Joint and a Wet Connect - A production string for use in a wellbore is disclosed that in a non-limiting embodiment includes a lower section that includes a first tubular having a first connection device at a top end thereof, and an upper section that includes a second tubular that sealingly slides against the first tubular, a second connection device associated with the second tubular configured to engage with the first connection device, and an expansion joint above the second tubular. | 05-14-2015 |
| 20150136424 | REMOTE CONTROLLED SELF PROPELLED DEPLOYMENT SYSTEM FOR HORIZONTAL WELLS - A self-propelled, remotely-controlled equipment deployment vehicle is configured to deliver equipment to a desired location within the horizontal portion of a deviated wellbore. The deployment vehicle includes a cargo frame, an electric motor and an active mobility assembly. The active mobility assembly is connected to the cargo frame and powered by the electric motor. The cargo frame can be configured to transport, offload and accurately position the selected cargo. Alternatively, the equipment deployment vehicle can be configured with a passive mobility assembly that allows the equipment deployment vehicle to be pushed or pulled along the horizontal section of the wellbore without power. | 05-21-2015 |
| 20150136425 | Automated Remote Actuation System - A technique provides an actuation system employed to actuate a tool, such as a downhole tool. The tool is actuated by an actuator element, e.g. a ball, which is selectively releasable from a remote location for interaction with the tool. A carrier is used to hold the actuator element at the remote location until its desired release for interaction with the tool. The carrier may comprise an electro-mechanical actuator mechanism positioned to control release of the actuator element upon receipt of an appropriate control signal. | 05-21-2015 |
| 20150144357 | USE OF MULTIPLE STACKED COILED TUBING (CT) INJECTORS FOR RUNNING HYBRID STRINGS OF CT AND JOINTED PIPE OR MULTIPLE CT STRING - Methods and apparatus are disclosed concerning an injector apparatus, comprising: an upper injector coupled to a frame, wherein the upper injector has an upper injector passage; a lower injector coupled the frame, wherein the lower injector has a lower injector passage; wherein the upper injector and the lower injector are substantially axially aligned; and a work window between the upper injector and the lower injector. | 05-28-2015 |
| 20150292285 | FLUID FLOW DURING LANDING OF LOGGING TOOLS IN BOTTOM HOLE ASSEMBLY - Systems and methods for facilitating fluid flow during and after landing of logging tools in a bottom hole assembly are disclosed. A logging tool string is lowered through a drill string and landed in a bottom hole assembly (“BHA”) positioned at the end of the drill string. Drilling fluid is pumped behind the logging tool to assist with downward movement of the tool. As the logging tool string lands in the bottom hole assembly, fluid flowing downward through the BHA below the logging tool string is blocked by the landed logging tool string. The BHA includes a circulation sub positioned above a landing sub. The circulation sub has at least one port through a wall of the circulation sub which allows fluid flow out of the BHA and into the annulus between the wellbore wall and the BHA when the downward flow is blocked. | 10-15-2015 |
| 20150300097 | Magnetic Switch and Uses Thereof in Wellbores - In one aspect, an apparatus for use in a wellbore is disclosed that in one non-limiting embodiment includes a string for placement in the wellbore and a switch on an outside of the string, wherein the switch includes a plurality of magnetic elements that provide a continuous electrical when the plurality of magnetic elements are aligned by an externally applied magnetic field. In one embodiment, the switch includes a channel that houses the plurality of magnetic elements that remain unaligned until the magnetic elements are aligned by the externally applied magnetic field. | 10-22-2015 |
| 20150300134 | SYSTEM AND METHOD FOR LINING A BOREHOLE - The invention provides a system and method for lining a borehole. The system comprises: an expandable tubular element extending into the borehole, wherein an end portion of a wall of the expandable tubular element is bent radially outward and in axially reverse direction to define an expanded tubular section extending around an unexpanded tubular section; a pipe extending through the expanded tubular section; a connecting device for connecting the pipe to the unexpanded tubular section, the connecting device allowing the pipe to rotate relative to the unexpanded tubular section around a longitudinal axis of the pipe; a rotating device for rotating the pipe relative to the unexpanded tubular section around said longitudinal axis; and an actuator for moving the pipe in axial direction into the expanded tubular section to extend the expanded tubular section and thereby to form a liner of the borehole. | 10-22-2015 |
| 20150315849 | LOAD CROSS-OVER SLIP-JOINT MECHANISM AND METHOD OF USE - A downhole tool assembly is presented for use in a wellbore, the tool having a mandrel assembly for substantially bearing the tensile and rotational loads placed on the tool assembly during run-in to the wellbore, a displacement assembly for substantially bearing displacement loads and for providing relative movement to the mandrel assembly, the displacement assembly for actuating a actuable tool attached to the mandrel assembly. The mandrel assembly has an upper mandrel positioned radially outward of the displacement assembly and a lower mandrel positioned radially inward of the displacement assembly. A load cross-over mandrel transfers the tensile and rotational loads between the upper and lower mandrels. The load cross-over mandrel has a plurality of passages which allow corresponding rods of the displacement assembly to slide therethrough. The rods transfer the displacement loads from actuators above the rods to an actuable tool below the rods. | 11-05-2015 |
| 20150315880 | WELLBORE SCREEN - A wellbore screen for screening particulates in wellbore fluid comprising: a base pipe having an inner bore; and a screen section disposed in a section of the base pipe, the screen section comprising (i) an outer jacket having an inner facing surface and apertures extending through the outer jacket, (ii) an inner wall having an outer surface, an inner surface and a port extending through the inner wall from the inner surface to the outer surface, (iii) an annulus formed between the inner facing surface of the outer jacket and the outer surface of the inner wall, (iv) a filter medium for the apertures of the outer jacket; and (v) a filter disc disposed in the port of the inner wall, wherein wellbore fluid flows from outside the base pipe into the inner bore through the apertures, the filter medium, the annulus, and the filter disc | 11-05-2015 |
| 20150322736 | Method And Apparatus For Continuous Raising And Lowering Joints Of Pipe - A method and apparatus for lifting and lowering of pipe continuously, during the drilling, repair or maintenance of wells, without interruption to connect or disconnect pipe. | 11-12-2015 |
| 20150330171 | System and Method for Providing a Resillient Solid Fuel Source in a Wellbore - A system, method and apparatus for providing a fuel source in a wellbore is disclosed. A tool is placed into a wellbore. A primary charge is associated with the tool. A secondary charge associated with the tool is provided. The secondary charge includes a resilient solid propellant. | 11-19-2015 |
| 20150337602 | METHOD OF USING A DOWNHOLE FORCE GENERATING TOOL - The disclosure of this application is directed to a downhole tool comprising a central element/member and a sleeve that is rotatably and orbitally disposed around the central element/member. The sleeve rotates and orbits around the central element/member responsive to fluid flowing through the downhole too. The disclosure is also related to a method of advancing the downhole tool in a well by flowing fluid through the tool. | 11-26-2015 |
| 20150345236 | Misalignment Mitigation in a Rotating Control Device - The exemplary embodiments relate to misalignment correction devices and methods for mitigating misalignment of a piece of oilfield equipment in or proximate an RCD. A rounded shoulder appears on a first surface within or proximate the RCD, and a socket profile appears on a second surface within or proximate the RCD. The second surface is configured to abut the rounded shoulder. The rounded shoulder is configured to rotate within the socket profile. Further, a floating joint may be implemented into or proximate the RCD and combined with the foregoing rotation mitigation features. | 12-03-2015 |
| 20150345256 | DOWNHOLE ACTUATION APPARATUS AND ASSOCIATED METHODS - A downhole actuating apparatus for actuating downhole. The apparatus is actuatable at the downhole location at, upon or during one or more particular cycle/s selectable from a sequence of cycles according to a predetermined selection. The downhole actuation comprises the release of at least one flowable object from the downhole location. The apparatus releases the at least one flowable object from the downhole location at, upon or during the particular cycle selectable from the sequence of cycles. | 12-03-2015 |
| 20150354303 | METHOD OF USING A DOWNHOLE FORCE GENERATING TOOL - The disclosure of this application is directed to a downhole tool comprising a central element/member and a sleeve that is rotatably and orbitally disposed around the central element/member. The sleeve rotates and orbits around the central element/member responsive to fluid flowing through the downhole too. The disclosure is also related to a method of advancing the downhole tool in a well by flowing fluid through the tool. | 12-10-2015 |
| 20150354339 | Downhole Camera - A camera apparatus that is at least partially incorporated within a downhole tool to be disposed to a subterranean location by a running arrangement. The camera apparatus includes a camera sensor for capturing one or more visual images of a subterranean location and a memory storage operably associated with camera sensor, the camera sensor providing one or more visual images to the storage memory. | 12-10-2015 |
| 20150361731 | ROLLER DEVICE - A roller device for incorporation into a wireline tool string for use in an oil or gas well has a body with rollers comprising captive bearings arranged on the outer surface of the body to rotate around more than one axis relative to the body, and wherein the rollers are arranged in at least one or more helix around the body. Each helix completes at least one full circumferential turn around the body. The rollers circumferentially overlap one another on the body, so that when the body engages the inner wall of the wellbore, the entire circumference of the body is supported by at least one roller. | 12-17-2015 |
| 20150369016 | METHOD AND MEANS TO PROTECT SENSITIVE EEQUIPMENT FROM IMPACT DAMAGES, AND USES THEREOF - A method to protect sensitive equipment against impact damages is described, such as tools and instruments and the like which shall be lowered down in well pipes in a hydrocarbon-carrying formation, and it is characterised in that a layer of a protection means is put onto the equipment which is solid or partially solid when put on and also at the temperatures in an upper part of the well pipe, while it melts and become liquid and flows off the equipment at the temperatures that exist in the lower part of the well pipe where the equipment shall be applied. A protective means is described and also applications of this. | 12-24-2015 |
| 20150377007 | Desiccant Box and Downhole Assembly Comprising A Desiccant Box - The disclosure is about a desiccant box comprising at least one wall defining an inside compartment containing a desiccant material. The box is designed so that: | 12-31-2015 |
| 20160010408 | ORIENTATION OF DOWNHOLE WELL TOOLS | 01-14-2016 |
| 20160010431 | PENETRATOR FOR A PUNCTURE COMMUNICATION TOOL AND METHOD | 01-14-2016 |
| 20160024871 | Remote Operation of a Rotating Control Device Bearing Clamp and Safety Latch - A rotating control device for a tubular string includes a body, a housing assembly, and a clamp device. An annulus is formed between the body and the tubular string. The housing assembly includes an annular seal configured to seal off an annulus between the tubular string and the body. The clamp device is configured to selectively permit and prevent displacement of the housing assembly relative to the body. The clamp device includes a first clamp section and a second clamp section coupled to and pivotable about a pivot, and a motor positioned between an end of the first clamp section and an end of the second clamp section, wherein the motor is configured to move the ends of the first and second clamp sections relative to each other. | 01-28-2016 |
| 20160032670 | Shifting Tool - A downhole shifting tool ( | 02-04-2016 |
| 20160032688 | FERROFLUID TOOL FOR INFLUENCING ELECTRICALLY CONDUCTIVE PATHS IN A WELLBORE - A tool for influencing electrically conductive paths using ferrofluids in a downhole system is provided. The downhole system can include a tool body, a source of ferrofluid, and a magnet. The magnet can provide a magnetic field that influences an electrically conductive path within an annulus between the tool body and a wellbore formation by arranging the ferrofluid from the source in the annulus. | 02-04-2016 |
| 20160032694 | CONTROLLING FLOW IN A WELLBORE - Techniques for controlling flow of a wellbore fluid include positioning a plurality of inflow control assemblies on a pipe joint in a wellbore, the pipe joint including a proximal end engageable with a first downhole tool and a distal end engageable with a second downhole tool; receiving a flow of a wellbore fluid from a subterranean zone to an inlet of at least one inflow control device (ICD), the at least one ICD mounted in each of the plurality of inflow control assemblies, the flow at a velocity that is less than the transport velocity of fines in the wellbore fluid; and transmitting the flow of the wellbore fluid to the pipe joint from the ICDs to an interior of the pipe joint. | 02-04-2016 |
| 20160040485 | WELLBORE RETENTION SYSTEM - In one aspect, a wellbore system including a longitudinal member disposed within a wellbore; a retention device associated with the longitudinal member, wherein the retention device is configured to deploy in response to a critical fluid flow rate to decelerate the longitudinal member subject to an unimpeded travel within the wellbore. In another aspect, a method of retaining a longitudinal member within a wellbore, including providing the longitudinal member within the wellbore; associating a retention device with the longitudinal member; subjecting the longitudinal member to an unimpeded travel within the wellbore; deploying the retention device in response to a critical fluid flow rate; and decelerating the longitudinal member within the wellbore via the retention device. | 02-11-2016 |
| 20160040489 | COILED TUBING UNIT LOCKING KNEE-JOINT MECHANISMS - A knee-joint mechanism for a folding gooseneck used in a coiled tubing unit, includes a main structure having a distal end pivotally attached thereto, the knee-joint mechanism including an articulated member attached between the main structure and the pivotally attached distal end of the gooseneck, the articulated member having a joint, and a cylinder attached between the main structure and the articulated member. The arm of the cylinder is extended to push the joint of the articulated member to an over-center position, thereby locking the articulated member. | 02-11-2016 |
| 20160040506 | FERROFLUID TOOL FOR ENHANCING MAGNETIC FIELDS IN A WELLBORE - A tool for enhancing or directing magnetic fields using ferrofluids in a downhole system is provided. The downhole system can include a tool body, a source of ferrofluid, and a positioning magnet. The positioning magnet can magnetically couple with the ferrofluid from the source for enhancing or directing a magnetic field through at least a portion of an annulus between the tool body and a wellbore formation. | 02-11-2016 |
| 20160047204 | FERROFLUID TOOL FOR PROVIDING MODIFIABLE STRUCTURES IN BOREHOLES - A tool for providing modifiable structures in a wellbore using ferrofluids in a downhole system is provided. The downhole system can include a tool body, a source of ferrofluid, and a magnet. The magnet can magnetically couple with the ferrofluid from the source for arranging the ferrofluid adjacent for modifying a parameter of an object coupled with or in the tool body when the tool body is positioned in the wellbore. | 02-18-2016 |
| 20160053552 | SHAFT COLLAR ASSEMBLY AND METHOD - Disclosed is an extended shaft collar comprising a reinforced concrete collar which extends from the surface to below a groundwater formation, providing an impenetrable barrier between the surrounding groundwater formations and the work area within the shaft. The extended shaft collar of the present invention provides a barrier to the ground and the work area of a shaft, including the prevention of contamination of shallow groundwater of the surrounding formations from the activities of the shaft, and may further be used for emergency shaft purposes. Concrete utilized in the extended collar may be comprised of conventional cements as well as specialty cements. The disclosed extended shaft collar supports a wide variety of scenarios for heavy civil construction projects, oil and gas production and mining, including subterranean oil recovery platforms and related products and services where shallow groundwater reservoirs are located. | 02-25-2016 |
| 20160053572 | APPLYING COATING DOWNHOLE - Applying a photocurable coating to a downhole fixed surface surrounding the axis of a wellbore containing a wellbore fluid is carried out by skimming an applicator over the downhole surface while supplying a photocurable liquid composition between the applicator and the downhole surface thereby spreading the composition as a curable layer on the downhole surface, while providing a light output with a light-transmitting barrier facing and adjacent the curable layer on the downhole surface; and directing light of wavelength in a range from 100 nm to 1500 nm through the light-transmitting barrier onto the curable light-transmitting barrier so as to initiate curing of the layer on the downhole surface. The applicator may be an assembly comprising a belt or band of light-transmitting material and the light source may be positioned within the band or the loop of the belt. This portion of the belt can remain stationary in contact with the curable layer and separate from it by a peeling action. | 02-25-2016 |
| 20160060766 | SYSTEM INCLUDING ONE-PIECE COILED VENT PIPE FOR DEEP ANODE CATHODIC PROTECTION AND METHOD OF INSTALLING THE SAME - A system including an anode assembly, a one-piece vent pipe assembly and a reel is disclosed for deployment and use in a deep bore hole cathodic protection system. The anode assembly includes elongated anode. The vent pipe assembly includes a tube having a distal end and an apertured portion having an array of holes in it. A fabric sleeve extends about the apertured portion. The tube, the sleeve and the anode assembly are coiled up on a reel and arranged to be uncoiled therefrom for extension into the bore hole. The holes in the tube enable gases to vent from the bore hole through the tube. The tube has a predetermined nominal internal diameter sufficient to enable a viscous settable material to be pumped into the tube to seal its interior when it is no longer desired to vent gases. | 03-03-2016 |
| 20160061023 | Method and Apparatus for Through-Tubular Sensor Deployment - A landing nose adapted to deploy a sensor package within a tubular string may include one or more fins. The fins may be positioned to extend radially outwardly from the body of the landing nose and extend beyond the end of the landing nose body. The landing nose may be adapted to seat against a landing ring positioned within the tubular string. The fins may be adapted to, when the landing nose is seated, allow fluid to flow between the fins and through a central aperture of the landing ring. The fins may also be adapted to reduce the opportunity for the landing nose and sensor package to catch on any protrusions or features of the tubular string. In operation, the landing nose and sensor package may be run through the tubular string from the surface until the landing nose contacts the landing ring. The sensor package may then survey the wellbore as the tubular string is tripped-out from the wellbore. | 03-03-2016 |
| 20160076324 | ANCHOR RING ASSEMBLY - An anchor ring assembly for anchoring to a mandrel includes an annular housing which defines a through bore to permit mounting on a mandrel. A plurality of slips are circumferentially arranged within the through bore of the housing, and a plurality of activator members extend from an external surface of the housing to engage the slips. The activator members are adjustable relative to the housing to extend the slips radially inwardly to engage and grip a mandrel. | 03-17-2016 |
| 20160084018 | Completion Method Featuring a Thermally Actuated Lock Assembly for a Telescoping Joint - A completion method involves a telescoping joint in the completion string that needs to be locked when pumping fluid through it as part of the completion method. The joint is locked with two locks and one is thermally activated using a shape memory locking member to handle the stresses from component contraction. The setting of the thermally actuated lock occurs when the temperature is lowered during pumping. At other times the temperature of well fluid defeats the thermal lock leaving a non-thermal lock actuated until such time that the telescoping joint can be used in production. The non-thermal lock is defeated so allow normal telescoping action during production. The non-thermal lock is defeated with string manipulation or pressure or other ways depending on its design. | 03-24-2016 |
| 20160084019 | TELESCOPING SLIP JOINT ASSEMBLY - A slip joint assembly that is usable with a well includes first, second and third tubular housing sections; and first and second mandrels. The first tubular housing section is adapted to connect to a first tubing string segment; the second tubular housing section is adapted to connect to a second tubing string segment; the third tubular housing section disposed between the first and second tubular housing sections; the first mandrel forms a slidable connection with the first tubular housing section; and the second mandrel forms a slidable connection with the second tubular housing section. | 03-24-2016 |
| 20160084027 | DOWNHOLE SYSTEM HAVING SELECTIVE LOCKING APPARATUS AND METHOD - A selective locking apparatus for an indicating tool, the selective locking apparatus includes a mandrel having a rotational collet finger receiving area including a plurality of unlocked-position tracks alternatingly arranged with a plurality of locked-position detents. A rotational collet rotatably supported on the mandrel, the rotational collet including a j-track on an outer periphery of the rotational collet, the rotational collet further including a plurality of rotational collet fingers having heads engageable within the rotational collet finger receiving area of the mandrel. An indicating collet supported on the mandrel, the indicating collet including a plurality of indicating collet fingers; and, at least one pin fixedly mounted on the indicating collet for receipt within the j-track of the rotational collet; wherein longitudinal movement of the mandrel with respect to the indicating collet cycles the rotational collet via j-track interaction and selectively places the heads of the rotational collet fingers into either the plurality of unlocked-position tracks or the plurality of locked-position detents. A method of selectively locking an indicating tool. | 03-24-2016 |
| 20160084046 | CROSSOVER TOOL, METHOD OF MAKING A CROSSOVER TOOL AND TWO PARTS OF A TWO-PART CROSSOVER TOOL - A cross over tool includes, a first tubular forming part of a structure having a channel formed radially through a wall thereof and having a passageway formed longitudinally through the wall. The tool includes a second tubular forming part of a tool string, the second tubular is positionable radially of the first tubular, and has a port through a wall thereof, the port is alignable with the channel. The crossover tool is configured such that while the a port is aligned with the a channel fluid can flow through an inside of the tool string radially through the a port and the a channel and back into the inside of the tool string and through the a passageway and through an annular space defined between the tool string and the structure. | 03-24-2016 |
| 20160102529 | ELECTROMAGNETIC INDUCTION GENERATOR FOR USE IN A WELL - An electromagnetic induction generator for use in a tubular, such as a tubular deployed in a subterranean well during wellbore construction operations, for generating electric current through electromagnetic induction. The electromagnetic induction generator has at least one conductive coil and at least one Halbach array of magnets. One or both of the at least one conductive coil and the at least one Halbach array of magnets is rotated relative to the other to increase the electric current generated. One or more gears may be provided to multiply the generated electric current. | 04-14-2016 |
| 20160123090 | DOWNHOLE VIBRATION ENHANCING APPARATUS AND METHOD OF USING AND TUNING THE SAME - The present disclosure is directed to an apparatus for use with a vibratory tool in a bottom hole assembly to enhance the vibration of the bottom hole assembly. The apparatus includes at least one spring mechanism and a fluid passageway disposed within a housing. The apparatus can be tuned and/or parts of the bottom hole assembly can be manipulated to match the frequency of the vibratory tool and/or the frequency of the vibratory tool can be tuned to match the vibrational frequency of the bottom hole assembly and the apparatus. | 05-05-2016 |
| 20160123093 | TRAVEL JOINT RELEASE DEVICES AND METHODS - A travel joint comprises an outer housing, an inner mandrel, a first release device positioned between the outer housing and the inner mandrel, and a second release device positioned between the outer housing and the inner mandrel. The first release device is configured to actuate from the locked position to the unlocked position in response to a fluid pressure supplied to the first release device. The second release device is configured to selectively prevent and allow relative axial movement between the outer housing and the inner mandrel in response to an axial force applied to at least one of the outer housing or the inner mandrel, and the first release device is configured to prevent the application of the axial force to actuate the second release device in the locked position and allow the axial force to actuate the second release device in the unlocked position. | 05-05-2016 |
| 20160130919 | A DOWNHOLE PUMPING ASSEMBLY AND A DOWNHOLE SYSTEM - The present invention relates to a downhole pumping assembly for being introduced in a well inside a casing and submerged in well fluid, the downhole pumping assembly extending in a longitudinal direction and being adapted for connection with a wireline. The downhole pumping assembly comprises a pump section comprising a tubular pump housing providing a pump chamber, an inlet provided in the tubular pump housing, the inlet being in fluid communication with the pump chamber, a first valve which is a one-way valve arranged for opening and closing the inlet to allow fluid to flow into the chamber, a plunger slidably disposed in the pump chamber, a pump rod operably connected to the plunger and extending from the plunger through the tubular pump housing, an outlet provided in the tubular pump housing, the outlet being in fluid communication with the pump chamber, a second valve which is a one-way valve arranged for controlling a flow of fluid out of the chamber through the outlet. The downhole pumping assembly further comprises a linear actuator arranged in association with the tubular pump housing adapted to drive the pump rod, whereby, when the downhole pumping assembly is at least partially submerged into the well fluid, well fluid is drawn into the tubular pump housing through the inlet and expelled through the outlet in the tubular pump housing, and the pump section further comprises at least one sealing element for isolating a first part of the casing from a second part of the casing. | 05-12-2016 |
| 20160153252 | Deflector Assembly for a Lateral Wellbore | 06-02-2016 |
| 20160153253 | EXPANDABLE BULLNOSE ASSEMBLY FOR USE WITH A WELLBORE DEFLECTOR | 06-02-2016 |
| 20160168936 | PRESSURE SETTING TOOL AND METHOD OF USE | 06-16-2016 |
| 20160177639 | ACTUATOR ASSEMBLY FOR TUBULAR RUNNING DEVICE | 06-23-2016 |
| 20160186511 | Expandable Plug Seat - Disclosed embodiments relate to methods and devices for setting a plug seat within a downhole well, for example in fracing operations. In an embodiment, the expandable plug seat may include an expandable slip ring and one or more wedge rings. To set the expandable plug seat in place within the casing of the wellbore, longitudinal force would typically be applied to the one or more wedge rings, thereby deforming the expandable slip ring and driving it radially outward and into contact with the casing in the wellbore. In some embodiments, the expandable plug seat may be used with a dissolvable ball, which can be pumped to seat onto the plug seat device for sealing of the wellbore. Once the downstream section of the well has been isolated in this manner, hydraulic fracturing operations can commence. Eventually, the ball may dissolve, allowing access to the wellbore without the need to drill the plug. | 06-30-2016 |
| 20160201394 | EARTH WORKING APPARATUS AND METHOD FOR EARTH WORKING | 07-14-2016 |
| 20160251908 | FLOW DISTRIBUTION ASSEMBLIES WITH SHUNT TUBES AND EROSION-RESISTANT FITTINGS | 09-01-2016 |
| 20160251909 | CASING WINDOW ASSEMBLY | 09-01-2016 |
| 20170234084 | Powered Slip Actuation | 08-17-2017 |
| 20170234113 | Completion Deflector For Intelligent Completion Of Well | 08-17-2017 |
| 20220136357 | Locking Pin Tool for use with a Locking Pin of a Wellhead - A locking pin tool to facilitate removal and/or installation of locking pins of a well head assembly includes an elongated shaft and a jaw assembly configured for engaging an end of a locking pin. A hammer body is mounted on the shaft and is movable along the shaft. A hammer stop provided on the shaft t engages the hammer body to absorb a striking force from the hammer body as the hammer body is moved along the shaft towards the hammer stop. By moving the hammer body along the shaft, the hammer strikes the hammer stop to impart a force on the locking pin to facilitate removal or installation of the locking pin. | 05-05-2022 |
