| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 166850100 | With assembly or disassembly means (e.g., handling, guiding, or tool feature) | 61 |
| 20080196882 | Slip Spool Assembly and Method of Using Same - A slip spool includes radially disposed actuators for radially moving slip blocks between a loose encirclement position in which they surround the tubing string and a cached position in which the slip blocks clear an axial passage of the slip spool. The slip spool further includes axially disposed actuators for axially displacing the slip blocks between the loose encirclement position and an engagement position in which the slip blocks are seated within a slip bowl of the slip spool so that a weight of the suspended tubing string causes the slip blocks to tightly grip the tubing string. The slip spool facilitates positioning and repositioning of the tubing string in the wellbore and can be used for supporting or snubbing a tubing string in a live well bore. | 08-21-2008 |
| 20080271883 | OIL WELL COMPLETION TOOL HAVING SEVERABLE TUBING STRING BARRIER DISC - An oil well completion tool having a tubular assembly defining an elongated main passage is adapted to be connected to a multiple-section tubing string within an oil well casing. A severable plug is mounted in the tubular assembly in normal blocking relationship to the passage. A movable shear cylinder unit has a plug-severing edge operable to sever an entire central segment of the plug from a remaining peripheral portion thereof. Separate hinge structure has an elongated U-shaped leg portion connected to the central segment of the plug. The leg portion of the hinge structure, which undergoes elongation, is operable to retain the severed central segment of the plug in the main passage while allowing the central segment of the plug to bodily shift independent of and in a direction away from the peripheral portion of the plug. The severed central segment is received in a recess therefor in the tubular assembly wall structure in order to prevent interference of the severed central plug segment with the main passage. | 11-06-2008 |
| 20080302525 | Pipe handling device, method and system - A pipe handling device for mounting to use with a top drive and possibly a pipe engaging apparatus, includes a link arm having a first end pivotally connectable to move with the top drive and an outboard end pivotally connectable to a pipe elevator segment, and a drive system to drive the outboard end of the link arm at least between a lower position and a raised position. A pipe handling system and method are also described. | 12-11-2008 |
| 20090145593 | Snubber Spool With Detachable Base Plates - A snubber spool with detachable base plates includes a base flange with a plurality of spaced-apart load pins received in through bores in the base plates. Tie plates with bores for receiving top ends of the load pins are mounted over the base plates in an offset orientation with respect to the base plates. A load nut that engages a pin thread on an outer sidewall of the snubber spool is tightened down on the tie plates to lock the base plates to the snubber spool. | 06-11-2009 |
| 20090277627 | SUBSURFACE LUBRICATOR AND METHOD OF USE - A subsurface lubricator facilitates well completion, re-completion and workover while increasing safety and reducing expense. The subsurface lubricator includes a bi-directional packoff tool on its bottom end. Short hydraulic cylinders lubricate the subsurface lubricator into the well until the bi-directional packoff tool is in a top end of a casing of the well. High pressure fluid pumped through a side port of a wellhead of the well lubricates the subsurface lubricator into the well. | 11-12-2009 |
| 20100252251 | SAFETY DEVICE FOR RETRIEVING COMPONENT WITHIN WELLHEAD - A system is provided that include a safety device configured to mount in a mineral extraction system and block axial movement of a plug in the mineral extraction system while the plug is released from a retainer. In one embodiment, the safety device may be a sleeve configured to receive screws or other retention mechanism in a tubular. A method is provided that includes installing a plug safety catch into a tubular of a mineral extraction system in which the plug is configured to block axial movement of a plug in response to a pressure differential while the plug is released from a mount position. | 10-07-2010 |
| 20110108265 | ARTICULATED APPARATUS FOR HANDLING A DRILLING TOOL - An articulated apparatus for handling a drilling to has a base, a first set of arms pivotally connected at one end to the base and extending outwardly therefrom, a joint member pivotally connected to an opposite end of the first set of arms, a second set of arms pivotally connected at one end of to the joint member and extending outwardly therefrom, and a carrier assembly pivotally connected to an opposite end of the second set of arms. The carrier assembly is suitable for carrying the drilling tool so as to allow the drilling tool to move upwardly and downwardly. A drive system is interconnected to the carrier assembly and cooperative with the first and second sets of arms so as to move the drilling tool between a stowed position and a deployed position. | 05-12-2011 |
| 20110226466 | Electric Submersible Pump Service Truck - A self propelled or trailer frame is provided with a cradle on which the tool for subterranean use can be assembled preferably in a shop protected from the weather. The tool is transported to a well site and the truck is positioned for deployment. The cradle is on a sub-frame that can translate off the end of the truck bed to get an end of the tool closer to the wellhead. The truck has a hydraulic linkage to upend the nearest end to the wellhead to a point close to where a hook in a derrick that is over the wellhead can be attached to the tool for hoisting the tool up so as to lift it off the cradle with minimal side loading on the derrick as the tool lower end leaves the cradle. The tool can be an electric submersible pump and can be used for delivery as well as removal of the tool through a wellhead. | 09-22-2011 |
| 20110284207 | Geothermal Pipe Setting Tool - A pipe setting tool includes a tool shaft, a coupler mounted on a first end of the tool shaft, and a tool sleeve affixed to the tool shaft defining a space therebetween. An outside diameter of the tool sleeve ensures close conformity to a borehole to position a geothermal pipe mounted thereto in close proximity to the outside diameter of the borehole. A moveable seal cap may be mounted on the tool shaft, moveable between a first position spaced-apart from the tool sleeve during down-hole movement of the tool to permit fluid flow through the space and a second position against the tool sleeve during up-hole movement of the tool to establish a seal with the tool sleeve to prevent fluid flow through the space. A second end of the tool shaft may receive a pipe hook to attach a geothermal pipe to the pipe setting tool. | 11-24-2011 |
| 20120152521 | DISCONNECT ASSEMBLY FOR CYLINDRICAL MEMBERS - Disclosed is an assembly for disconnecting portions of a downhole tubular string, such as a drill stem or drill string, and removing an upper portion of the tubular string from the lower stuck portion in a well. The disconnect assembly includes a connection between joints of two portions of the tubular string. The assembly includes two tubular members and an inner sleeve having two splines each with different angular pitches or teeth counts. The assembly may include a rotary shouldered threaded connection, wherein the two tubular portions are disconnectable at the rotary shouldered threaded connection in the assembly. The assembly may include a sleeve lock, a selective no-go for landing in a profile, and a selectively deployable unlocking and unblocking tool for activating the assembly. The assembly may include connectable cylindrical members other than downhole tubulars. | 06-21-2012 |
| 20130025848 | WELLHEAD ASSEMBLY HAVING A NESTED TUBING HEAD - The present disclosure is directed at a wellhead assembly that includes a casing head and a tubing head that is landed within the casing head when the tubing head is landed. The casing head has top and bottom ends, and its bottom end is coupled to surface casing. The tubing head also has top and bottom ends, and its bottom end is coupled to an additional casing string, such as production casing. The present disclosure also is directed at the tubing head itself, and at a method for landing the tubing head within the casing head. Beneficially, the present disclosure describes a method and apparatus by which the tubing head can be landed on the casing head through a blowout preventer, which can save time and reduce risk relative to conventional methods and apparatuses by which the blowout preventer is nippled-down prior to landing the tubing head. | 01-31-2013 |
| 20130062048 | PULLING CLAMP FOR CONTINUOUS ROD OR COILED TUBING STRINGS - A pulling clamp is provided for releasable connection to a blunt, uphole string end of a continuous string. A main clamp body has clamp bore therethrough and having a string-receiving opening at the pulling end for receiving the string end, an actuating bore at the pulled end and a tapered bore therebetween. A taper insert having a radially compressible gripping bore is locatable in the tapered bore and axially actuable between a passive first receiving position, for receiving the string end, and the active second gripping position for radially compressing the taper insert about the string end for actively gripping the string end therein. The taper insert can be axially actuated using a threaded main body and threaded top cap for sandwiching the taper insert therebetween, the top cap being threaded axially into and out of the pulled end of the main body between the passive and active positions. | 03-14-2013 |
| 20130118728 | COMPONENT FOR DRILLING AND OPERATING HYDROCARBON WELLS - The tubular component ( | 05-16-2013 |
| 20130160988 | FLEXIBLE ROUTING DEVICE FOR WELL INTERVENTION - A conduit device for a petroleum well intervention string includes a first end connected to an intervention string drum unit with a drum and a second end connected to an injector head of a wellhead assembly. The conduit device, at any point between said first end and said second end, has a radius of curvature larger than or equal to a given smallest allowable radius of curvature for the intervention string. The conduit device forms a substantially incompressible fixed length path for the portion of said intervention string at any time present between the first end and the second end. The conduit device constitutes a tubular path for the intervention string. | 06-27-2013 |
| 20130341003 | Transportable single operator rig apparatus and method for optimizing drilling and/or completion - A transportable rig apparatus provides single operator control for moving pipe into and out of a wellbore. A transportable control van houses the operator. A rig carrier is utilized to transport the mast. A pipe tong is mounted in the mast and is remotely operable from the control van. Rig blocks which move up and down in the mast are remotely operable from control van. A skid mounted pipe moving member moves pipe to the mast assembly and away from the mast assembly. The pipe moving member remotely is operable from the control van. A pipe tub stores pipe and a pipe tub transfer system is operable for moving pipe from the pipe tub to the pipe moving member and for moving pipe from the pipe moving member to the pipe tub. | 12-26-2013 |
| 20140027106 | Dual Rack Mast for a Well Servicing Vehicle - Example workover vehicles for removing and installing sucker rods and tubing of completed wells include a mast having a distinctive spatial relationship with various equipment of the vehicle. The mast has a series of vertical corner posts or weight bearing derrick legs that define the mast's horizontal footprint. In some examples, a tubing storage rack is situated mostly within the footprint while a rod storage rack is mostly beyond the footprint. A robot traveling vertically along the mast transfers rods and tubing between the well and the appropriate storage rack. In some examples, the rod storage rack pivots between an extended operative position and a retracted transport position. In some examples, a robotic jib transfers rods or tubing to and from a lay-down storage area. Some example robot jibs are movable to a fully deployed position for normal operation and a stored position within the mast's footprint for vehicle transport. | 01-30-2014 |
| 20140041855 | MOBILE HYDRAULIC WORKOVER RIG - A rig including a base structure, a derrick extending from the base structure, a hydraulic lift cylinder connected to the upper end of the derrick, a lower slip assembly connected to the base structure, an upper slip assembly, and at least two snub cylinders connected to the base and the upper slip assembly. A distal end of a piston rod of the lift cylinder is connectable to a pipe string extendable through the upper and lower slip assemblies such that both a lifting force and a snubbing force may be applied simultaneously to the pipe string. | 02-13-2014 |
| 20140116676 | SUPPORT FRAME - A lifting frame having an upper yoke member and a pair of substantially parallel vertical members to forms the sides of the lifting frame. A lifting sub extends from the upper yoke member for connecting the lifting frame to a traveling block or top drive assembly, while a lower horizontal base member permits attachment to bails or other lower linkage members. The vertical members have at least partially aligned sections of reduced thickness, allowing the internal width dimension (between the inner surfaces of the substantially vertical members) to be increased without simultaneously increasing the overall external width of the lifting frame. | 05-01-2014 |
| 20140158342 | RIG WITH DRAWWORKS AND HOISTING DEVICE - A rig includes a base structure in contact with an operating surface and configured to support the rig on the operating surface. A transportation system is operatively coupled to the base structure and is configured to position the rig over an extraction point. A raised platform is connected to the base structure by a plurality of support beams. A hoisting device is connected to the raised platform. A drawworks is supported on the base structure and is operatively connected to the hoisting device. | 06-12-2014 |
| 20140174718 | Push / pull system and support structure for snubbing unit or the like on a rig floor - In one embodiment, a support structure for use on a rig floor and for supporting a unit used to manipulate tubular components through a wellhead comprises a support plate adapted to securely mount the support structure to said unit, a passage in the support plate of sufficient diameter to allow tubular components to pass therethrough, a plurality of rig engaging members and at least one tensile member mount. The unit used to manipulate tubular components through a wellhead may be a compact snubbing unit or may be a push/pull unit. The support structure may further comprise a worker platform to support a worker above the rig floor. Various push/pull system embodiments, for use on a rig to manipulate tubular components through a wellhead, are also taught. | 06-26-2014 |
| 20150136382 | DEVICE FOR COVERING A PIPELINE FROM A WELLBORE - A device for covering a pipeline from a wellbore comprising a cover comprising at least one lower bearing surface suitable for being mounted on an end of a vertical annular pipeline of a wellbore. The device includes a distribution elbow comprising a lower end, intended to be connected to a pipe of the wellbore, that extends vertically downwards from the cover and an upper end extending horizontally. The cover and the distribution elbow form a monobloc assembly. | 05-21-2015 |
| 20150136383 | HORIZONTAL FRACTURING TREE - A system, in certain embodiments, includes a horizontal fracturing tree. The horizontal fracturing tree includes a first hydraulic fracturing bore configured to flow a first fluid, wherein the first hydraulic fracturing bore extends along a first horizontal axis, and the first horizontal axis is generally perpendicular to a vertical axis of a wellhead. | 05-21-2015 |
| 20150330164 | DOWNHOLE TOOL SUPPORT STAND, COMBINATIONS, AND METHODS - A method of connecting a downhole tool and a downhole tubular: positioning the downhole tool coaxially on a rotatable seat; and rotating the seat to thread the downhole tool to the downhole tubular. A support stand: a structural frame with ground engaging members; and a downhole tool seat mounted for rotation on the structural frame about an axis of rotation, the downhole tool seat being coaxial with the axis of rotation. A combination of the support stand of and a downhole tool on the seat. | 11-19-2015 |
| 20160186528 | Adjustable Actuator - An apparatus to define a shoulder within equipment includes a pin assembly and an actuator. The pin assembly includes a pin assembly housing with a passage formed therethrough, a pin movably positionable, at least partially, within the passage of the pin assembly housing, an outer stop to limit outward movement of the pin within the passage of the pin assembly housing, and an inner stop to limit inward movement of the pin within the passage of the pin assembly housing. The actuator is operably coupled to the pin assembly such that the actuator is capable of moving the pin within the pin assembly housing of the pin assembly. | 06-30-2016 |
| 166850200 | Pitless well adapters | 1 |
| 20140151023 | ADAPTER ASSEMBLY FOR A WELL SYSTEM - An adapter assembly for a well system includes at least one coupling member having a passage formed therein and an adapter including a neck duct formed thereon. The neck duct is received in the passage of the coupling member forming a substantially fluid-tight seal therebetween. At least the adapter is formed from a lead-free material, minimizing a weighted average lead content of the adapter assembly. | 06-05-2014 |
| 166850300 | Seal or bushing insertion or removal | 4 |
| 20110290471 | Effluent Capture and Shutoff Pipe Friction Mounting Apparatus - An improved Effluent Capture and Shutoff Pipe Friction Mounting Apparatus providing means for the prevention, collection, or stopping of effluent from a wellhead pipe ( | 12-01-2011 |
| 20160032674 | SYSTEM FOR SETTING AND RETRIEVING A SEAL ASSEMBLY - A system includes a setting tool configured to set a sealing assembly within an annular space between a hanger and a wellhead. The setting tool comprises an outer annular sleeve and an inner annular sleeve disposed radially inward of the outer annular sleeve. The inner annular sleeve includes a flexible finger configured to removably couple the setting tool to the sealing assembly. The setting tool includes a shear pin extending between the outer annular sleeve and the inner annular sleeve. The shear pin is configured to break in response to axial compression of the setting tool to enable the outer annular sleeve to move axially relative to the inner annular sleeve, and the outer annular sleeve is configured to interact with the sealing assembly to set the sealing assembly within the annular space via axial movement of the outer annular sleeve relative to the inner axial sleeve. | 02-04-2016 |
| 20160090811 | Wellbore Sealing With Hybrid Wicker System - A wellbore system includes a sealing assembly for creating an annular seal between wellbore members. The sealing assembly includes a wicker profile defined a first sealing surface for engaging and embedding into a radially adjacent, second sealing surface. The wicker profile includes a first section having a first hardness and a second section adjacent to the first section and having a second hardness greater than the first hardness. Both the first and second sections of wickers are embedded into the second sealing surface, and can thus provide a high degree of both sealing and lockdown performance. | 03-31-2016 |
| 20160376872 | DEVICE FOR REMOVING ROTATING HEAD RUBBERS FROM DRILL PIPE - A device for removing rotating head rubbers from drill pipe comprising a base member, vertical shaft, lower pipe attachment bracket, left arm, right arm, diagonal shaft and upper pipe attachment member. Proximal ends of the left and right arms are welded to a top end of the vertical shaft, and the left and right arms lie in the same horizontal plane. Proximal ends of the left and right arms are welded together and distal ends of the left and right arms are separated so that the arms form a V-shaped fork. The diagonal shaft is welded to the top end of the vertical shaft at an upward angle of approximately 45 degrees. The upper pipe attachment member is removably inserted into a distal end of the diagonal shaft. | 12-29-2016 |
| 166850400 | With blowout preventer | 18 |
| 20090025925 | MULTI-LOCK ADAPTERS FOR INDEPENDENT SCREWED WELLHEADS AND METHODS OF USING SAME - A multi-lock adapter used to inject high-pressure well stimulation fluids through an independent screwed wellhead includes an adapter pin having a central passageway with an internal diameter at least as large as a passageway through the wellhead. A lockdown flange secures the adapter pin to a casing mandrel of the wellhead. The lockdown flange ensures that stress on connection points to the screwed independent wellhead due to elevated fluid pressures used for well stimulation procedures does not exceed engineered specifications. | 01-29-2009 |
| 20090078405 | Pressure Containment Devices and Methods of Using Same - Moveable and split packer cups for use above a conventional coiled tubing fracturing or stimulation tool are described as well as methods for running these tools into a wellbore. These devices can be used for extended stimulation intervals with coiled tubing, as well as for a secondary pressure containment to avoid pressure communication with uphole formations or perforations. | 03-26-2009 |
| 20090223660 | INTEGRATED DRILLING DECK AND BOP HANDLING - A method for handling a blow-out-preventer on a drilling platform and a drilling platform having a lower pontoon structure; a plurality of columns extending upwards from the lower pontoon structure; an upper deck structure connecting the upper deck structure connecting the upper portions of the columns to each other; a detachable rotary table assembly arranged in a rotary table opening in the upper deck structure; a derrick provided with a lifting arrangement and being arranged on the upper deck structure above the rotary table opening; and a detachable rotary table assembly a spider and a blow-out-preventer. The method is characterized by the steps of: detaching the rotary table assembly from the rotary table opening; arranging at least the spider on blow-out-preventer; positioning the blow-out-preventer so that the lifting arrangement of the derrick can lower the blow-out-preventer through the rotary table opening; lowering the spider and the blow-out-preventer into the rotary table opening by means of said lifting arrangement, so that the blow-out-preventer is passed through the rotary table opening and so that the spider is arranged in the rotary table opening in an operative position for supporting riser pipes. | 09-10-2009 |
| 20100294482 | Variable Bore Packer for a Blowout Preventer - A variable bore packer used in a blowout preventer to form a seal against different diameter tubular members for oil and gas drilling operations. The variable bore packer includes a packer member molded of elastomeric material with certain mechanical properties and including an inside curved surface. The packer also includes a plurality of packer inserts molded within the packer member to form an insert array. Additionally, the packer includes a protrusion extending from and bonded to the packer member inside curved surface, the protrusion including increased mechanical properties compared to the packer member. The packer member, the insert array, and the protrusion are molded into a unitary structure and sized to form a seal against the different diameter tubular members upon closure of the blowout preventer. Also, the insert array and the protrusion diminishing extrusion of the elastomeric material between the packer inserts and the tubular members. | 11-25-2010 |
| 20100319906 | Shear Seal Blowout Preventer - A shear/seal ram provides a knife edge at the shearing edge and the knife edge is inclined to minimize the cutting force required and to leave a clean cut edge. The knife edge is presented in an opening of the ram, thus the opening is positioned at the axis of the BOP, and consequently the coiled tubing, before the coiled tubing is run through the BOP. A biasing means, such as for example a Bellville spring, forces a sealing sleeve against the underside of the ram to prevent leakage of pressure from below the BOP. Similarly, a plurality of biasing means, referred to herein as “skates”, forces the ram down against the sealing sleeve to seal pressure from above the BOP. | 12-23-2010 |
| 20110005743 | Mounts for Blowout Preventer Bonnets and Methods of Use - A mount for a bonnet of a blowout preventer includes at least one support member coupled to a body of the blowout preventer, and a bonnet mounting member moveably coupled to the at least one support member and adapted to move substantially normal to a face of the body of the blowout preventer, wherein the bonnet is coupled to the bonnet mounting member. | 01-13-2011 |
| 20110030943 | Portable Ram Block Changer - An apparatus for engaging and moving a ram block. In some embodiments, the apparatus, or ram block changer, includes a support bracket coupled to a blowout preventer and an articulated arm releasably coupled to the ram block. The ram block changer may further include a pivot coupling assembly having a first axis of rotation. The pivot coupling assembly extends through the support bracket and the articulated arm, wherein the articulated arm is rotatable about the first axis of rotation relative to the support bracket. The articulated aim may include a first member receiving the pivot coupling assembly therethrough, a second member coupled to the ram block, and a second pivot coupling assembly having a second axis of rotation spaced apart from the first axis of rotation and extending through the first and second members. The second member is rotatable about the second axis of rotation relative to the first member. | 02-10-2011 |
| 20110120698 | Regulator Dampening Device and Method - A flow regulator includes a flow regulating part configured to receive at an inlet a working fluid at a first pressure and to release the working fluid at an outlet at a second pressure; a slide provided inside the flow regulating part and configured to move along an axis to reduce the pressure of the working fluid; a control part attached to the flow regulating part, the control part including a chamber; a spring housing provided in the chamber and connected to the slide though a shaft, the spring housing configured to move the slide along the axis; a cap provided in the chamber and facing the spring housing, the cap being configured to have plural blind holes; and plural pins extending along the axis and attached to the spring housing, the plural pins being configured to enter the plural blind holes. | 05-26-2011 |
| 20110120699 | Breech Lock Mechanisms for Blowout Preventer and Method - A blowout preventer for sealing a well includes a body having first and second chambers, the body including a channel on a face of the body; a ram block configured to move within the first chamber to seal a first region of the second chamber from a second region of the second chamber; a rod connected to the ram block and configured to extend along the first chamber; a cylinder configured to be attached to the body to border the first chamber, and a ring rotatably attached to the cylinder for attaching the cylinder to the body. | 05-26-2011 |
| 20120000645 | Flow controller, particularly blowout preventer (BOP) and smart pipe plug (SPP) - This flow controlling device is a self regulating, reusable blowout preventer or smart pipe plug by limiting the flow in a pipe to a predetermined volume. | 01-05-2012 |
| 20120000646 | BLOWOUT PREVENTER MONITORING SYSTEM AND METHOD OF USING SAME - A blowout preventer for sealing a tubular of a wellbore is provided. The blowout preventer has a housing having a bore therethrough for receiving the tubular, at least one ram slidably positionable in the housing (each of the rams having a ram block for sealing engagement about the tubular), an actuator for selectively driving the ram block (the actuator comprising a piston slidably positionable in a cylinder), and a monitor for detecting the piston therein. The monitor has a visual indicator on an exterior of the cylinder. The visual indicator is operatively coupled to the piston for displaying a position of the piston as the piston travels within the cylinder whereby a position of the ram may be determined. | 01-05-2012 |
| 20120000647 | BLOWOUT PREVENTERS AND METHODS OF USE - Methods and apparatuses for severing a wellbore tubular, the apparatus, in certain aspects, including: a first member movable toward a tubular to be severed; a second member with a second blade disposed opposite to the first member and movable toward the tubular; a first blade on the first member having a projection projecting from a center of a blade body with point structure on the projection for puncturing the tubular and cutting surfaces on the projection for cutting the tubular; and cutting surfaces, as needed, on the blade body adjacent the projection for cutting the tubular. | 01-05-2012 |
| 20120012302 | Compact Surface Wellhead System and Method - A low-profile wellhead system having a nested hanger configuration, annular communication, elastomeric seals, and seal verification is provided. | 01-19-2012 |
| 20120067563 | CASING FRIENDLY, SHEARABLE HARDBANDS AND SYSTEMS AND METHODS FOR SHEARING SAME - A tool joint comprises a body having a central axis, a first end, and a second end opposite the first end, wherein the body is made of a first material having a first hardness. In addition, the tool joint comprises an annular hardband disposed about the body. The hardband is made of a second material. The second material comprises a base material and a plurality of discrete pellets dispersed throughout the base material. The base material has a second hardness and the pellets have a third hardness. The second hardness is substantially the same as the first hardness. The third hardness is greater than the second hardness and less than the hardness of tungsten carbide. | 03-22-2012 |
| 20140196884 | METHOD AND SYSTEM FOR RAPID DEPLOYMENT OF A CAPPING STACK - A capping stack having a first capping stack component and a second capping stack component, and a method for transporting the same are disclosed. The capping stack components are mounted onto standard skids and loaded onto an aircraft. Upon arrival at a location, the skids are mated, and the capping stack components are aligned and coupled. A clamp assembly may be used to create pressure integrity between two capping stack components. | 07-17-2014 |
| 20140262205 | Annular Blowout Container (ABOC) - An annular blowout container (ABOC) that may be used in multiples in a stack in conjunction with additional gate and shear valves to protect a wellhead. The ABOC incorporates a cylindrical formed bladder that provides a tight constrictive seal around whatever pipe or tubing may be in the well bore. The bladder is made of top and bottom rotator plates with springs extending between the plates. The springs are encased in Teflon® and held in place by Kevlar® then covered over completely with cured Viton® that is injected to complete the overall bladder in a molded form. Rotation of the top and bottom rotator plates effects a twisting constriction around the drill pipe or tubing. Electrical and hydraulic operational components are housed inside chambers within the ABOC for predominantly self-contained operation. The cylindrical bladder assembly may be removed and replaced after extended use. | 09-18-2014 |
| 20160060992 | MULTI-COMPONENT C-RING COUPLING - A multi-component C-ring coupling is provided that includes a connector, an internal C-ring, and a lower ring. In one embodiment, the multi-component C-ring coupling may include a diverter connector to weldlessly couple a diverter to a pipe, such as a conductor. In other embodiment, the coupling may include a casing housinghead connector to couple to a casing housinghead. The lower ring may be engaged with the connector via axial fasteners. The lower ring and connector may include angled internal surfaces to exert radial forces on the C-ring and cause engagement of the teeth of the C-ring with the outer wall of a pipe. | 03-03-2016 |
| 20160097250 | BLIND SHEAR RAM - A shear ram assembly for use in a BOP stack. The shear ram assembly includes a ram block disposed within the shear ram housing and having a forward end facing the bore, the ram block movable between an open position, in which the ram block is retracted away from the bore, and a closed position, in which the ram block is extended toward the bore. The blade has a forward surface, a rear surface, a lower shearing edge, and an upper edge, the blade attached to the forward face of the ram block by fasteners extending at an angle relative to an upper surface of the ram block through a portion of the ram block and into the rear surface of the blade, the rear surface of the blade angled so that it is perpendicular to the longitudinal axis of the fasteners. | 04-07-2016 |
| 166850500 | Guiding or aligning feature | 14 |
| 20080196883 | Centralizing apparatus - A wellhead isolation tool including a cup mandrel and a centralizing device. The centralizing device will align the tool so that the cup seal at the lower end of the cup mandrel sealingly engages the production casing. The cup mandrel has an open bore for allowing service tools to pass therethrough unimpeded. | 08-21-2008 |
| 20080210416 | Guide rail system for a telescoping mast on a drilling rig - A guide track system for a tool that can be raised and lowered within a telescoping drilling rig tower is provided. The system includes parallel guide rails mounted on a fixed lower tower section and on a movable upper tower section of the drilling rig tower. The lower and upper guide rails are parallel to one another and overlap one another when the lower tower section is nested with the upper tower section. Guide wheels rotatably attached to the tool can have parallel grooves to roll on the guide rails. The grooves can have sidewalls that flare outward so that they do not scuff against the guide rails as the tool travels up and down within the tower. | 09-04-2008 |
| 20090084538 | DRILLING FLANGE AND INDEPENDENT SCREWED WELLHEAD WITH METAL-TO-METAL SEAL AND METHOD OF USE - A drilling flange and an independent screwed wellhead provides a metal-to-metal seal that supplements the traditional elastomeric O-rings for providing a fluid seal between the drilling flange and the wellhead. The metal-to-metal seal may be achieved using a metal ring gasket or two contacting metal surfaces that are machined to required tolerances and are configured to be forced together when the drilling flange is mounted to the wellhead. The metal-to-metal seal ensures a fluid seal between the flange body and the wellhead in the event that the O-rings malfunction or are destroyed by fire. | 04-02-2009 |
| 20090145594 | GRIPPING TOOL WITH DRIVEN SCREW GRIP ACTIVATION - A gripping tool having at least one body, including an associated load adaptor adapted to be connected to and interact with one of a drive head or reaction frame. A gripping assembly, carried by the body, has a grip surface adapted to move from a retracted position to an engaged position to radially engage one of an interior surface or an exterior surface of a work piece upon relative axial displacement of the body relative to the grip surface in at least one axial direction. A grip activation assembly acts between the body and the grip surface to increase a grip ratio of radial load upon the gripping assembly relative to axial displacement of the body relative to the grip surface. The grip activation assembly includes a motor driven load screw to create relative axial displacement of the body relative to the grip surface. | 06-11-2009 |
| 20110186285 | Guide Part Device - A guide part device for guiding a top drive into a pipe, the end portion of the top drive which is arranged to be connected to the pipe being formed with a sloping end face. | 08-04-2011 |
| 20120090829 | Free mandrel, system, protected casing - The Invention is to be applied for selective injection of fluids in different formations, keeping the casing isolated from fluid pressure. “Fluid” is used in its widest sense: gases or liquids. It is hydraulically driven by the injection fluid. A single operator must only handle surface standard valves. It consists of five assemblies: Surface, Transport, Free Mandrel, Fixed Bottom Hole and Complementary. The Free Mandrel is the dynamic main device that carries all the Injection valves together, one for each formation, from the Bottom Hole to the Surface in 30′ and viceversa. As this operation is performed many times in the well lifetime, it allows a cumulative time and money saving. Workover equipment is only used for installing the system and for fixing packers. Formation Pressure is kept when the system is installed or when it is pulled up. Changes can be made at any time when they are needed. | 04-19-2012 |
| 20120175102 | WELLHEAD FOR A HYDROCARBON-PRODUCING WELLBORE - A wellhead for a hydrocarbon-producing wellbore includes a wellhead body having an inner cavity, and a production fluid conduit. The production fluid conduit and the wellbore define a production fluid flow path. A stuffing box is positioned within the inner cavity. A leak containment structure within the inner cavity captures any fluid exiting the stuffing box. A fluid pump pumps fluids from the leak containment structure to the production fluid flow path. | 07-12-2012 |
| 20130341004 | Mobile Rig and method - A mobile rig for use in lowering a string comprising joints of a conduit into a well is provided with a rig transporter comprising a motorized unit, a mast assembly, a pivotal connection on the mast assembly with respect to the rig transporter. At least one hydraulic arm is pivotally mounted to the rig transporter and the mast assembly operable to move the mast to an upright position and for lowering the mast to a substantially horizontal position for transportation. In one embodiment, a top drive is mounted in the mast which is raised and lowered with the mast whereby the top drive is transported in the mast in the substantially horizontal position. | 12-26-2013 |
| 20140048249 | GUIDE DEVICE FOR COILED TUBING - A coiled tubing guide-in device is applied to oil field coiled tubing operation and used for guiding a coiled tubing into injector head gripper blocks. The coiled tubing guide-in device mainly consists of a slip connecting head, a locking sleeve, a floating sleeve, a guide head, and a traction steel rope. In the structure of the slip connecting head, a cone of an expansion plug is arranged in a slip sleeve. A lower end of a tightening nut is a convex spherical body. At a lower end of the tightening nut, an end of a traction steel rope is fixed in a rectangular groove at the lower end of the tightening nut through a threaded pin. In the structure of the locking sleeve, an upper end surface of a spherical support body is a concave spherical surface. An inner conical sleeve and an outer conical clamping sleeve are arranged in a cylindrical space. A spherical head is fixed on inner screw threads of the spherical support body. The number of combined locking bodies ranges from 4 to 15. A lower end of the floating sleeve at the lowest end is connected with a conical guide body through the traction steel rope. The effect is that the coiled tubing is fast and safely pulled out of a tubing reel and guided into the injector head gripper blocks through a guider. | 02-20-2014 |
| 20140083676 | Magnetic-Latch Stabbing Guide - A magnetic-latch stabbing guide apparatus is presented enabling a first drill pipe to connect with a second drill pipe. The magnetic-latch stabbing guide easily attached to the first drill pipe and facilitates connection between the first drill pipe and the second drill pipe. During the connection process, the magnetic-latch stabbing guide easily detaches from the two drill pipes without physical manipulation of the magnetic-latch stabbing guide. | 03-27-2014 |
| 20140138081 | MECHANIZED AND AUTOMATED WELL SERVICE RIG - The present disclosure provides a well service rig for tripping rods and tubulars. The well service rig includes a service rig base unit, a mast coupled to the well service rig base unit movable between a folded position and an upright position, a vertical guide mounted to the mast, and a traveling block system coupled to the vertical guide at a first end and configured to travel up and down at least a portion of a length of the vertical guide. The traveling block system is couplable to a rod, a tubular, or both at a second end. | 05-22-2014 |
| 20140238659 | Articulated Wireline Hole Finder - The articulated wireline hole finder is a modular device which attaches to the bottom of a wireline logging tool-string to aid conveyance down irregular shaped and/or deviated boreholes which possess features such as ledges, washouts, and contractions, that might otherwise terminate full descent of the tool-string to the bottom of the borehole and thereby compromise the wireline data acquisition objectives. Elements of the articulated wireline hole finder may include a low friction roller nose assembly and spacer sub, an articulated spring joint, that transfers tool-string weight and directs lateral movement of the roller nose towards hole center, and a pair of five arm centralizers that possess a wide dynamic range. | 08-28-2014 |
| 20150007979 | APPARATUS FOR RETAINING RIG SLIPS IN ALIGNMENT WITH A FLOW CONTROL DEVICE - The present invention provides an apparatus for retaining rig slips gripping a drill pipe through a bore of a flow control device. The apparatus includes a plate and a support means. The plate has an aperture that constricts the rig slips against passing trough the aperture. The support means attaches the plate to the flow control device, such that the axis of the drill pipe and the bore are substantially parallel with each other. | 01-08-2015 |
| 20160032675 | HANGER RUNNING TOOL - A hanger running tool includes a radially outer surface having at least one recess extending circumferentially about at least a portion of a periphery of the hanger running tool. The hanger running tool also includes at least one alignment element disposed within the at least one recess. The at least one alignment element protrudes radially outward from the radially outer surface and is configured to contact a radially inner surface of a wellhead as the hanger running tool moves within the wellhead. In some embodiments, the hanger running tool includes a plurality of recesses each extending circumferentially about a respective portion of the periphery of the hanger running tool, and the recesses of the plurality of recesses are circumferentially separated from one another to enable fluid to flow through at least one axial flow slot of the hanger running tool. | 02-04-2016 |
