| Entries |
| Document | Title | Date |
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| 20080223584 | DOWNHOLE RETRIEVING TOOL AND METHOD - Disclosed herein is a downhole retrieving tool. The tool includes, a tubular member with a deformable portion having a reduced internal dimension, and a swage member engagable with the reduced internal dimension such that movement of the swage member through the deformable portion radially increases the internal dimension and the outer surface of the deformable portion causing the deformable portion to move radially outwardly. | 09-18-2008 |
| 20080236840 | THERMAL ACTUATOR - An embodiment of a system for disconnecting a first element from a second element at a desired position in a wellbore includes a disconnect tool containing an expandable material, the disconnect tool being actuatable from a locked position, wherein the first and the second elements are interconnected, to an unlocked position, wherein the first and the second element are disconnected, upon a determined expansion of the expandable material in response to a temperature at the desired position. | 10-02-2008 |
| 20080257560 | Running Tool for Expandable Liner Hanger and Associated Methods - A running tool includes subassemblies which release the running tool from the liner hanger in response to application of alternating tensile and compressive forces after application of left-hand torque. A running tool includes subassemblies which set the liner hanger in response to left-hand torque followed by increased pressure, and in response to increased pressure without prior left-hand torque being applied. A running tool includes threaded connections, without torque transmitted through the running tool being transmitted by the threaded connections. A method of setting a liner hanger includes applying a compressive force to the running tool; then applying left-hand torque to the running tool; and then applying a tensile force to the running tool. A method of releasing a liner hanger includes applying left-hand torque to the running tool; and then releasing the running tool from the liner hanger by applying a tensile force to the running tool. | 10-23-2008 |
| 20090126941 | TUBULAR CONTROL APPARATUS - A control apparatus to receive a tubular member includes a contact member configured to engage the tubular member, and a control mechanism operably coupled to the contact member, wherein the control mechanism is configured to dampen movement of at least one of the tubular member and the contact member as the tubular member engages the contact member. | 05-21-2009 |
| 20090133882 | METHOD AND APPARATUS FOR DOWNHOLE ARTIFICIAL LIFT SYSTEM PROTECTION - A fluid conditioning system designed to be installed between the well perforation and the intake of a pump used to effect artificial lift is used to filter and chemically treat production fluids. The fluid conditioning system is an apparatus that provides scale inhibitors and/or other chemical treatments into the production stream. In some embodiments, the fluid conditioning system may be a part of the production stream filter wherein the filtering material is comprised of a porous medium that contains and supports the treatment chemical. In other embodiments, the chemical treatment may be accomplished by the gradual dissolution of a solid phase chemical. The treating chemical may be recharged or replenished by various downhole reservoirs or feeding means. In yet other embodiments, the treating chemical may be replenished from the surface by means of a capillary tube. In certain other embodiments, the apparatus may be retrievable from the surface thereby permitting recharge or replenishment of the chemical in the apparatus on an as-needed basis. The filtration apparatus may incorporate a bypass valve that allows fluid to by-pass the filter as sand or other particulate matter fills up or blocks the filter. | 05-28-2009 |
| 20090139730 | MECHANICAL SEAL AND LOCK FOR TUBING CONVEYED PUMP SYSTEM - A through tubing conveyed electrical submersible pumping system for use in a wellbore. The system includes a tubing string with an attached deployed drive system having a pump motor and a pump engaging receptacle, a pumping assembly insertable into the tubing deployed system, and sealing elements on both the tubing string and pumping assembly. Engaging the sealing elements while inserting the pumping assembly forms a seal. The system further includes mating latch members on the pumping assembly and the tubing string, the latch members selectively activated by engaging one another. The latch may include locking fingers disposed on the pumping system and a shoulder protruding into the tubing string; wherein inserting the pumping system into the tubing deployed system locking fingers with the shoulder for securing the pumping system to the tubing string. | 06-04-2009 |
| 20090159294 | SYSTEMS AND METHODS FOR AUTONOMOUS TRIPPING OF OIL WELL PIPES - A robotic system coupled to a racking platform of an oil well service or drilling rig comprising a base coupled to the racking platform at a fixed location, a mast pivotally coupled to the base by a mast pivot joint allowing rotation of the mast about a mast axis, a mast actuator for controllably rotating the mast about the mast pivot joint, an arm coupled to the mast and moveable along a radial direction with respect to the mast axis, an arm actuator for controllably moving the arm along the radial direction, an end effector pivotally coupled to an end of the arm by an end effector pivot joint allowing rotation of the end effector about an end effector axis oriented generally parallel to the mast axis, and an end effector actuator for controllably rotating the end effector about the end effector pivot joint. The end effector comprises at least one grabbing member operable to selectively grab an elongated object under control of a grabbing member actuator. | 06-25-2009 |
| 20090205835 | CUT RELEASE SUB AND METHOD - A tubular member for lining a wellbore, the tubular member comprising: an inner tubular member including a first end, an opposite end, an axial bore extending from the first end to the opposite end and an outer surface; an outer tubular including a base end and an outboard end, the outer tubular connected about the inner tubular adjacent its base end and a locating profile in the axial bore of the inner tubular. | 08-20-2009 |
| 20090205836 | HYDRAULIC CONNECTOR APPARATUSES AND METHODS OF USE WITH DOWNHOLE TUBULARS - A tool to direct a fluids from a lifting assembly and a bore of a downhole tubular includes an engagement assembly configured to selectively extend and retract a seal assembly disposed at a distal end of the tool into and from a proximal end of the downhole tubular and a valve assembly operable between an open position and a closed position, wherein the valve assembly is configured to allow fluids from the lifting assembly to enter the downhole tubular through the seal assembly when in the closed position and wherein the valve assembly is configured to allow fluids from the downhole tubular to be diverted from the lifting assembly when in the open position. | 08-20-2009 |
| 20090211765 | Method for rapid sealing of boreholes - A method and apparatus for rapidly installing or withdrawing a sealing liner into or out of a subsurface well bore or borehole. An eversion aid is engaged with the liner, the eversion aid serving to push the liner down the borehole during installation, and to assist in proper liner extraction during its withdrawal from the borehole. Water is transferred between the liner interior and the borehole outside the liner to regulate the disposition of borehole water, and to aid in proper sealing functions of the liner and to promote proper liner extraction during withdrawal. Various embodiments and features of the eversion aid apparatus are disclosed. | 08-27-2009 |
| 20090266558 | METAL SEAL FOR WELLHEADS - A reusable metal seal for a wellhead provides a metal-to-metal seal and includes upper and lower tapered sealing flanks which may be deflected by tapered wall surfaces on the wellhead engaging the taper sealing flanks, and the seal may have a plurality of annular relief grooves. | 10-29-2009 |
| 20090272540 | MOBILE HYDRAULIC WORKOVER RIG - A portable hydraulic rig for workover, drilling or other operations on existing wells in which the rig has a derrick elevated on a base structure comprised of containers for equipment used in association with drilling or workover activities, a work platform including pipe rack sections for storing a plurality of pipes, the derrick being open-sided with a power cylinder at its upper end for lifting and lowering pipe sections away from and into each well, and hydraulic drive cylinders for advancing the rig between wells without telescoping or pivoting the derrick into a travel position, all of the hydraulic components being controlled from a central control panel on the work platform. | 11-05-2009 |
| 20090288839 | Controlling Backflow Pressure During Retrieval of Bottom Hole Assembly - A bottom hole assembly in a casing-while-drilling operation is retrieved by displacing the fluid in the casing string with a less dense fluid than the fluid in the annulus. The bottom hole assembly moves upward in the casing string in response to an upward force due to the different densities of fluid in the casing string and in the annulus. Displaced fluid flows out of the casing string and through a restrictive orifice of a choke. The flow area of the orifice is varied as the bottom hole assembly moves upward to control the rate at which the bottom hole assembly moves upward. | 11-26-2009 |
| 20090288840 | Retrieval of Bottom Hole Assembly During Casing While Drilling Operations - A bottom hole assembly in a casing-while-drilling operation is retrieved attaching a wireline to the bottom hole assembly. The density of the fluid in the casing string is lightened to a lesser density than the fluid in the annulus, thereby creating a pressure differential between fluid above the bottom hole assembly and fluid below the bottom hole assembly to exert an upward force on the bottom hole assembly. The operator pulls upward on the wireline to assist the upward force in moving the bottom hole assembly up the casing string. | 11-26-2009 |
| 20090288841 | Circulation System for Retrieval of Bottom Hole Assembly During Casing While Drilling Operations - During casing-while-drilling, drilling fluid is pumped through a conduit leading to a flow passage a casing string gripper and down the casing string. A bottom hole assembly is mounted at a lower end of the casing string for drilling a wellbore. The bottom hole assembly is retrieved by mounting a circulation sub to the casing string below the casing string gripper, the circulation sub having a lateral outlet. A return flow line is connected from the outlet to the circulation system. The operator flows fluid downward in an annulus of the casing string and back up the casing string, causing the bottom hole assembly to move upward. The fluid flowing back up the casing string is diverted through the outlet in the circulation sub to the circulation system without passing through the flow passage in the casing string gripper. | 11-26-2009 |
| 20100084140 | DOWNHOLE SEAL AND ANCHOR RELEASING SYSTEM AND METHOD - A downhole seal and anchor releasing device includes, a seal defeatable via a first pull, an anchor releasable via a second pull, and an energy dissipation device configured to dissipate enough energy from the first pull subsequent defeat of the seal to prevent release of the anchor in response to the first pull | 04-08-2010 |
| 20100084141 | Disconnect Apparatus and Method - A disconnect apparatus and method for use in a well bore. The apparatus comprises a top sub having a collet, and wherein the top sub has an external seal surface. The apparatus further comprises a bottom sub having a bore, and wherein the external seal surface and the bore cooperate. The apparatus further includes a support piston disposed within the collet, wherein the support piston has a plurality of fins formed on an outer portion of the support piston, and shear device, operatively attached to the top sub and the support piston, for attaching and detaching the top sub from the support piston. In one preferred embodiment, the collet member comprises a plurality of fingers having a gap between each individual finger. Also, the plurality of fingers may have an external thread formed thereon that engage an internal thread formed on the bottom sub. | 04-08-2010 |
| 20100101804 | RESETTABLE ANTIEXTRUSION BACKUP SYSTEM AND METHOD - A resettable antiextrusion system including a backup ring, a ramp in operable communication with the backup ring, and a gauge ring attached to the ramp. A method for sealing a tubular. | 04-29-2010 |
| 20100132955 | METHOD AND SYSTEM FOR DEPLOYING SENSORS IN A WELL BORE USING A LATCH AND MATING ELEMENT - A method for deploying a sensor array into a wellbore, including inserting the sensor array into a secondary tubular coupled to a body at a surface of the wellbore, coupling the sensory array to the body, running the secondary tubular into a primary tubular fixed to the wellbore, engaging a latch mechanism located on the body with a mating element fixed to the primary tubular of the wellbore, and decoupling the secondary tubular from the body and retrieving the secondary tubular from the wellbore while the sensor array is held fixed by the latch. | 06-03-2010 |
| 20100181077 | WEAKPOINT COUPLING OF SELECTIVELY ADJUSTABLE LOAD BEARING CAPACITY - A coupling to serve as a logging head or other downhole weakpoint assembly. The coupling is configured with a variety of internal tensile members. The individual members and load bearing capacities of each may be selectively engaged in a variety of combinations so as to provide a host of different load bearing capacities to the weakpoint coupling. Such selectable engagement is achieved through the dialing of a key by the user without the need to add or remove any load bearing features from the coupling. Thus, the user-friendly nature of the coupling is enhanced and the possibility of the user leaving behind supplemental load bearing tensile members for change-out is eliminated. | 07-22-2010 |
| 20100206580 | Tools and Methods Useful with Wellbore Reverse Circulation - A method for reverse circulating a tool upwardly through a wellbore, the method including: providing a manipulator tool including an upper end and a lower end, conveying the manipulator tool down hole to a position adjacent a downhole tool, using the manipulator tool to manipulate the downhole tool, and reversing fluid flow through the well to create a pressure differential about at least one of the manipulator tool and the downhole tool such that the at least one of the manipulator tool and the downhole tool is lifted upwardly through the wellbore. A manipulator tool for use in a reverse circulating method is also described as are a tool catcher, a tool catching assembly and a tool catching method. | 08-19-2010 |
| 20100206581 | 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. | 08-19-2010 |
| 20100212913 | Drilling and Completion Deflector - A tool assembly is provided. The tool assembly comprises a drilling deflector and a completion deflector, the completion deflector coupled to the drilling deflector. | 08-26-2010 |
| 20100212914 | Hydraulic Installation Method and Apparatus for Installing a Submersible Pump - Aspects of this invention include a method for deploying a small diameter submersible pump in a deviated wellbore. The submersible pump is first lowered into the production tubing under the influence of gravity. The pump includes a sealing member deployed thereabout which provides a releasable seal with an interior surface of the production tubing. The pump is then forced deeper into the production tubing (e.g., into a deviated section of the wellbore). This is accomplished via introducing a column of liquid (such as water) into the production tubing above the pump. The liquid exerts a force on the pump and sealing member so as to force the pump deeper into the well, thereby drawing one or more power lines into the wellbore with the pump. The invention advantageously enables a small diameter submersible pump to be economically deployed in a highly deviated wellbore. The invention also advantageously enables deployment into partially obstructed and/or damaged tubing. | 08-26-2010 |
| 20100218955 | OIL FIELD SYSTEM FOR THROUGH TUBING ROTARY DRILLING - An oil field system comprising a main body having a bore therethrough, the main body having a connection at one end of the bore for, in use, connecting the main body to an existing wellhead, tree or other oil field equipment, a transverse cavity through the bore, the cavity having at least one opening to the outside of the main body, a plurality of flow control devices for insertion, at different times, into the cavity in order to selectively control fluid flow through the bore, wherein the plurality of flow control devices includes a gate valve and drilling BOP rams. | 09-02-2010 |
| 20100224372 | HYDRAULICALLY RELEASED WINDOW MILL - An affixation and release arrangement includes a first component having a fluid pressure chamber; a piston mounted in the first component and exposed to the fluid pressure chamber; a second component affixed to the first component through the piston, the piston responsive to fluid pressure increase within the chamber to unaffix the second component from the first component. Methods are included. | 09-09-2010 |
| 20100230114 | WIRELINE RUN FRACTURE ISOLATION SLEEVE AND PLUG AND METHOD OF OPERATING SAME - An isolation sleeve and plug assembly that may be used to protect a wellhead assembly from being damaged by high-pressure wellbore fracturing operations. Both the isolation sleeve and plug may be installed by the same running tool, and may be installed by lowering the running tool through an isolation valve on the wellbore. | 09-16-2010 |
| 20100243270 | METHOD AND APPARATUS FOR A PACKER ASSEMBLY - A method and apparatus for setting a packer assembly having an upper packer and a lower packer in a wellbore in a single trip into a wellbore is provided. The packer assembly is configured to be retrieved from the wellbore using a retrieval tool in a single trip into the wellbore. The retrieval tool is configured to be released from the packer assembly while in the wellbore during a retrieval process in the event that the packer assembly will not release from the wellbore or is otherwise prevented from removal from the wellbore. | 09-30-2010 |
| 20100258320 | OCEAN FLOOR DEEP-SEA SUBMERGED DECK - A system for drilling a deep-sea borehole in a seabed is provided. The system includes a drill string having a plurality of strands adapted to be reversibly connected together to assemble the drill string and reversibly disconnected from one another to disassemble the drill string. The system further includes a submerged drilling deck anchored on the seabed, the deck adapted to reversibly connect the strands together and to reversibly disconnect the strands from one another. Methods of disassembling and assembling the drill string are also provided. | 10-14-2010 |
| 20100270032 | SYSTEM, METHOD AND APPARATUS FOR THERMAL WELLHEAD HAVING HIGH POWER CABLE FOR IN-SITU UPGRADING PROCESSING - A thermal wellhead having a high voltage cable for in-situ upgrading and processing unconventional oil reservoirs is disclosed. An electrical cable has a power umbilical with an electrical heater on a lower end and an electrical connector opposite the heater. An upper portion of the cable has a second electrical connector for connection with the first connector and is connected to a transformer. A well control device is installed at the wellhead and the umbilical is extended through the device in the well. The first connector is landed in the wellhead such that the umbilical extends downward through the well. The well control device is then removed from the wellhead, and the second connector is secured in a tubing bonnet. The bonnet is landed on the wellhead to make electrical connections between the connectors. | 10-28-2010 |
| 20100319929 | Dual Anchoring Tubular Back-Off Tool - A back-off tool for use in breaking a joint of a tubular disposed in a well. The tool is dual anchoring in nature such that breaking of the joint may be achieved with a degree of precision heretofore unavailable. Additionally, the dual anchoring nature of the tool at both sides of the joint allows for power requirements to be met through use of a dowhole power source incorporated into the tool. As a result, the use of heavier power carrying cables and equipment may be avoided as well as explosives or similarly hazardous and/or imprecise measures. | 12-23-2010 |
| 20100319930 | Time-Controlled Release Device for Wireline Conveyed Tools - This invention relates to a time controlled release device for down line tools in oil or gas wells. Tools that are lowered into a well for various purposes occasionally become stuck in the well and are not able to be withdrawn using jars and other dislodging techniques. In such a situation it is desirable to provide a controlled release device that will disengage the tool from the line only after a given time period. This allows the operator to continue to exert upward force on the line for a given time period prior to the release device being actuated. | 12-23-2010 |
| 20110024133 | METHOD AND APPARATUS FOR RELEASING A COILED TUBING INTERNAL CONDUIT FROM A BOTTOM HOLE ASSEMBLY - A method and apparatus for releasing a coiled tubing internal line from a bottom hole assembly. The internal line may not have strength sufficient to permit the application of a tension force at the surface to disconnect the internal line from the bottom hole assembly. The bottom hole assembly may include a ball seat adapted to retain a ball permitting the application of a pressure differential above and below the ball seat. An anchor assembly connected to the internal line may be adapted to disconnect from the bottom hole assembly upon the application of predetermined pressure differential. A predetermined pressure differential may be used to shear a portion of the internal line releasing an upper portion of the internal line from the bottom hole assembly. | 02-03-2011 |
| 20110030970 | BREAK-OUT ASSEMBLY FOR A DRILLING MACHINE - A break-out assembly includes a slide wrench assembly, and a slide wrench rotator assembly which rotates the slide wrench assembly in response to actuating first and second rotator assembly cylinders. The first and second rotator assembly cylinders are actuated in opposed directions. The break-out assembly includes a clamp assembly having opposed arm assemblies which are rotatable about separate pivot points. | 02-10-2011 |
| 20110042101 | LATCHING MECHANISM FOR CHANGING PUMP SIZE - A latching mechanism for selectively disengaging an upper pump from a motor in an ESP. The latching mechanism comprises barbs formed on an upper end of an upper shaft that are engaged by a tool to lift the upper shaft until a lower end of the upper shaft disengages from an upper end of a motor shaft. When the upper pump is disengaged from the motor shaft, only a lower pump is driven by the motor and flow of well fluid is circulated past the disengaged upper pump via a bypass line. The upper pump shaft may reengage the motor shaft if additional lift is required. | 02-24-2011 |
| 20110048733 | ARRANGEMENTS AND SYSTEMS FOR PIPE HANDLING - This disclosure provides methods, systems and devices for handling drill pipe. One example embodiment includes a method for handling a drill pipe. The method includes moving the drill pipe by a crane having a grapple, wherein the crane is located on a skid. Further, the method includes receiving the drill pipe within a carriage affixed to the skid, wherein the carriage comprises vises and spinners. Finally, the method torquing and spinning the drill pipe within the carriage, whereby the method provides for rapid mating and unmating of the drill pipe for either laying in the ground or possibly into a vehicle for removal to a different location, respectively. | 03-03-2011 |
| 20110048734 | SNUBBING TUBULARS FROM A SAGD WELL - For SAGD operations, an apparatus and method of stripping and cooling tubing is provided by a cooling chamber where tubing and associated equipment can be safely exposed to a coolant fluid before significant handling. A telescoping chamber with a work window permits cables to be detached from tubing during stripping. Coolant may be Nitrogen or similarly inert fluid. | 03-03-2011 |
| 20110094753 | DOWNHOLE RELEASE JOINT WITH RADIALLY EXPANDABLE MEMBERS - A downhole releasable tubing connection includes a joint between two tubing strings, wherein one of the two tubing strings is radially expanded and plastically deformed by an expansion device. When the expansion device is moved adjacent to the joint, a mechanism in the joint reacts to the radially outward forces of the expansion device and releasably expands, separates, breaks, or otherwise provides a release between the two tubing strings. One tubing string and the expansion device can then be removed to the surface of the well bore while the expanded tubing remains installed in the well bore. | 04-28-2011 |
| 20110147008 | METHOD AND APPARATUS TO POSITION AND PROTECT CONTROL LINES BEING COUPLED TO A PIPE STRING ON A RIG - Apparatuses and methods are disclosed herein to cut a control line and/or to run a control line on a rig. The apparatuses may include a movable cutting apparatus to cut a control line, a load transfer member to engage a control line, a load measuring device to measure a load imparted to a load transfer member, and a drive member to engage and drive a control line. The apparatuses and methods may be used with a control line positioning apparatus, a pipe engaging apparatus, and/or may be used by themselves. | 06-23-2011 |
| 20110155394 | Lifting Device and Method for Lifting a Bonnet - A lifting device configured to lift a bonnet of a blowout preventer. The lifting device includes two or more lifting pins, each lifting pin including, a body having an elongated shape and configured to enter through a hole in the bonnet; a shoulder connected to the body and having an external diameter larger than an external diameter of the body; and two or more threaded regions at different locations on the body and configured to receive threaded screws, each threaded region being formed in the body such that a coordinate of the treaded region in a given inertial system is substantially identical to a coordinate of a center of gravity of a corresponding bonnet in the same given inertial system when the lifting pin is inserted into a hole of the corresponding bonnet. | 06-30-2011 |
| 20110155395 | METHOD AND APPARATUS FOR RELEASING A PACKER - Disclosed herein are methods and apparatus for releasing a releasable packer. The apparatus may include shear screws, a mechanism for isolating the shear screw from a shearing force. The mechanism for isolating the shear screw from a shearing force is selectively unlockable to expose the shear screw to the shearing force. The methods may include unlocking a mechanism protecting at least one shear screw, applying a shearing force to the at least one shear screw, and shearing the at least one shear screw. | 06-30-2011 |
| 20110240312 | PERMANENT CABLE FOR SUBMERSIBLE PUMPS IN OIL WELL APPLICATIONS - A technique facilitates the employment of an electric submersible pumping system or other well system downhole into a wellbore. The electric motor system is coupled with a signal carrying cable for conveyance to a desired downhole location in the wellbore. The signal carrying cable is constructed with sufficient strength to solely support the electric motor system during deployment and use in the wellbore without addition of a separate supporting mechanism. | 10-06-2011 |
| 20110259601 | DOWNHOLE RELEASABLE CONNECTOR - A downhole releasable connector is described for releasably connecting a wireline to a downhole tool. The connector comprises a first portion arranged to be connected to a wireline and a second portion arranged to be connected to a downhole tool. A locking arrangement is arranged to lock the first and second portions together when in a first position and to release the first and second portions from each other when in a second position. A reversible drive mechanism is provided to move the locking arrangement between the first and second portions. As the drive mechanism is reversible, it is able to lock and unlock the locking arrangement and so release and reconnect the first and second portions of the connector so that it can be tested prior to use providing increased confidence in the tool and allowing inspection of critical parts within the release mechanism. | 10-27-2011 |
| 20110290505 | Drilling and Completion Deflector and Method of Using - A tool assembly is provided. The tool assembly comprises a drilling deflector and a completion deflector, the completion deflector coupled to the drilling deflector. | 12-01-2011 |
| 20120006564 | TORQUE WRENCH SYSTEM HAVING A MULTIPLE TORQUE STATIONS - An improved multi-bolt and nut torque wrench for installing and removing bolts or nuts from flanged joints or the like which includes a plurality of torque stations having a plurality of high torque wrenches for engaging the heads of the bolts or nuts during a high torque phase of removal or installation; a plurality of low-torque motors operatively engaged with the wrenches for rotating the bolts or nuts during the low torque phase of removal or installation; a source of hydraulic fluid for driving the low-torque motors during the low-torque phase, and driving the high-torque wrenches during the high torque phase; and a mechanism for switching between the two phases depending on the torque needed. | 01-12-2012 |
| 20120118584 | MODULAR TOOL FOR WELLBORE CLEANING AND METHOD OF USE - A sealing means for debris chambers of a debris extraction tool and a method for dismantling and handling a debris extraction toll using such sealing means are disclosed. The sealing means for a debris chamber for a debris extraction tool may include a cylindrical body sealed at one end and open at the other end. The open end may be connectable to an end of the debris chamber. The method for dismantling a debris extraction tool, wherein the debris extraction tool comprises a plurality of connected debris chambers, may use the sealing means and may include connecting the sealing means to the topmost debris chamber of the debris extraction tool. | 05-17-2012 |
| 20120132439 | MULTIFUNCTION DOWNHOLE RELEASE TOOL MECHANISM WITH LOST MOTION - Presented is a system and method for disconnecting a plurality of wireline tools from a string of wireline tools while maintaining operation of the wireline tools remaining with the string of wireline tools. The disconnection is non-destructive and allows a reconnection of the disconnected tools after retrieval from the well. The system also enables testing of the disconnection mechanism before deploying the wireline tool string into the well. | 05-31-2012 |
| 20120138312 | Methods for Retrieving A Dipper Assembly - A stripper device for a wellhead defining the terminus of an aliphatic hydrocarbon production well. The stripper device includes a lubricator assembly having a lubricator pipe in communication with the wellhead and a dipper assembly traversing within the lubricator pipe and the well. A controller assembly provides instructions in a computer readable format to regulate the collection of liquid aliphatic hydrocarbons from the well with the dipper assembly. The stripper device includes a recovery assembly having a pivot element coupled to a lubricator pipe and to the wellhead. The pivot element renders the lubricator pipe to communicate with the wellhead in a first position and renders the lubricator pipe apart from the wellhead in a second position to expose the wellhead free of obstructions including those from the lubricator assembly. | 06-07-2012 |
| 20120152565 | DOWNHOLE RELEASE JOINT WITH RADIALLY EXPANDABLE MEMBER - A downhole releasable tubular connection includes a joint between two tubing strings, wherein one of the two tubing strings is radially expanded and plastically deformed by an expansion device. When the expansion device is moved adjacent to the joint, a threaded connection mechanism in the joint reacts to the radially outward forces of the expansion device and releasably expands, thereby decoupling the tubing strings. | 06-21-2012 |
| 20120186826 | Intermediate Disconnection Tool to Be Placed in A Shuttle Lowered into A Well for Exploiting A Fluid, and Related Shuttle and Method - This tool comprises an upper portion and a lower portion mounted able to move relative to each other between a connected position and a completely disconnected position. | 07-26-2012 |
| 20120193105 | Disconnect devices for downhole strings - A disconnect device comprises a tubular member having a window for receiving an engagement member, and a sleeve having connected and disconnected positions. The engagement member engages with a component of a downhole string to connect the disconnect device to the rest of the string such as through a helically-shaped thread disposed on the engagement member and on the component. The window can comprise at least one wall that is outwardly tapered so as to prevent the engagement member from passing through the window when the tubular member is disconnected from the component of the string. The engagement member is maintained within the window by the sleeve when in its connected position to maintain the connection between the tubular member and the component. When moved to its disconnected position, the engagement member disengages the component by moving inwardly into the bore of the tubular member. | 08-02-2012 |
| 20120267120 | Cranked Rod Pump Method - An improved method is provided, for pumping fluids, such as water and/or hydrocarbons, from a subterranean formation or reservoir, through use of a cranked rod pumping (CRP) apparatus for imparting reciprocating substantially vertical motion to a rod of a sucker-rod pump having a pump stroke. The CRP apparatus includes a motor driven cranked mechanical actuator arrangement. The cranked mechanical actuator arrangement includes a substantially vertically moveable member attached to the rod of the sucker-rod pump for imparting and controlling vertical motion of the rod of the sucker-rod pump. The actuator arrangement may include pneumatic counterbalancing. | 10-25-2012 |
| 20120273230 | AUTOMATED SYSTEMS AND METHODS FOR MAKE-UP AND BREAK-OUT OF TUBULARS - An automated tubular handling system adapted to make-up or break-out tubulars that includes a rotary drive adapted to operatively grip a tubular to be connected to or disconnected from a tubular string, a controller adapted to receive and process data indicative of a rotation, torque, and minimum time value associated with a make-up or a break-out of the tubular string, and a user interface adapted to convey the received data, the predetermined values, or both, of the tubular make-up or break-out to an operator. The controller compares the rotation, torque, and minimum time values to acceptable predetermined values to determine when the make-up or the break-out is complete. Automated methods are also disclosed. | 11-01-2012 |
| 20120292045 | Downhole pump apparatus having decoupleable isolation plug - A pump apparatus for recovering hydrocarbons from downhole wells, having a seating surface adapted to sealingly engage an interior surface of a circumferential seal member situated within production tubing when said pump is in a downhole operative position. An isolation plug is provided, releasably coupled to a lower end of said pump, having sealing means thereon to sealingly engage said interior surface of said circumferential seal member when the isolation plug is linearly positioned within said circumferential seal member and decoupled from the pump assembly, thereby preventing gases and fluids from fluid communication to surface when the pump is raised and removed from the well. A method for sealing a well upon removal of a pump is further disclosed. | 11-22-2012 |
| 20120312549 | TUBULAR RETRIEVAL - A tubular retrieval method comprises applying a cyclically varying fluid pressure to the interior of a section of cut bore-lining tubular ( | 12-13-2012 |
| 20120312550 | SET FOR OBTAINING A THREADED CONNECTION, METHOD FOR MAKING UP AND BREAKING OUT SAID CONNECTION, AND USE OF SAID CONNECTION IN A RISER - A set for obtaining a threaded connection used in hydrocarbon wells includes a first tubular component, a second tubular component, and a third tubular component. A threaded zone provided on an internal circumferential surface of an end of the third component cooperates by makeup with one of two threaded zones of an end of the first component. A threaded zone provided on an external circumferential surface of the end of the third component cooperates by makeup with one of two threaded zones of the second component. The second and third components define an end of makeup of the threaded zones. The other threaded zone provided on the end of the first component cooperates by makeup with the other threaded zone provided on the second component. | 12-13-2012 |
| 20130025879 | HIGH PRESSURE SEAL ADAPTER FOR SPLITTER CONDUCTOR HOUSING TO WELLHEAD CONNECTION - A high pressure seal adapter for a conductor housing of a wellhead, the high pressure seal adapter having a unitary body comprising: a first circular bore extending through said unitary body; and a second circular bore adjacent said first circular bore and extending through said unitary body; wherein said seal adapter is capable of being installed in said conductor housing. The high pressure seal adapter may further include at least one seal extending around a perimeter of said unitary body, said at least one seal contacting said conductor housing. The adapter may receive a high pressure riser in said first circular bore when said seal adapter is installed in said conductor housing, said high pressure riser having a lower surface that contacts said flange and at least one seal extending around an outside perimeter of said riser. | 01-31-2013 |
| 20130032358 | Method And System For Controlling A Well Service Rig Based On Load Data - The present invention is directed to methods for controlling the operations of a well service rig at a well site by evaluating load sensor data obtained from sensors on or associated with the well service rig. A rig load data chart can be reviewed and an average rig load can be determined for each pull of tubing or rods from a well. The average rig load can be used to calculate and set a rig overload level. If the rig load sensor reads a rig load at or above the rig overload level, the clutch for the hoist can be disengaged and the brake applied to prevent the load from either damaging the rig or breaking off the tubing or rods in the well. In addition, the rig load can be evaluated to determine when the limit the block speed when pulling rods or tubing. | 02-07-2013 |
| 20130048307 | COMPLETION FOR DOWNHOLE APPLICATIONS - A technique facilitates connection and disconnection of an upper completion with respect to a lower completion. An overall completion system comprises the upper completion releasably engaged with the lower completion. The upper completion and the lower completion may comprise hydraulic line segments and electrical line segments which are coupled via at least one hydraulic wet connect and at least one inductive coupler, respectively. The hydraulic line segments may comprise hydraulic control line segments, chemical injection line segments, or a variety of other types of hydraulic line segments that may be selectively engaged and disengaged by the at least one hydraulic wet connect. | 02-28-2013 |
| 20130105177 | CONTIGENCY RELEASE DEVICE THAT USES RIGHT-HAND TORQUE TO ALLOW MOVEMENT OF A COLLET PROP | 05-02-2013 |
| 20130126186 | WELLBORE TUBULAR HANDLING SYSTEM - A wellbore tubular handling system and method for moving tubulars into a wellhead. The wellbore tubular handling system includes a service rig including a transport chassis, a mast pivotally connected to the transport chassis and moveable between a storage position and an erected position and a block supported on the mast; an upper snubbing unit pivotally connected to the mast, the upper snubbing unit including a first driving ram and a second driving ram, each including a mounted end and an outboard end, each of the first driving ram and the second driving ram being connected at the pivotal connection to the mast adjacent their mounted ends and a travelling snubbing slip assembly mounted to the outboard ends of the first driving ram and the second driving ram and being drivable toward and away from the mounted ends by the first driving ram and the second driving ram; and a stationary snubbing slip assembly configured for connection to the wellhead. | 05-23-2013 |
| 20130233566 | SAFETY JOINT WITH NON-ROTATIONAL ACTUATION - A method of releasing a safety joint in a subterranean well can include disconnecting a tubular string at the safety joint without rotation of the tubular string. A safety joint for use in a subterranean well can include sections which are separated from each other in response to a predetermined number of relative longitudinal and non-rotational displacements between the safety joint sections. Another method of releasing a safety joint in a subterranean well can include fully actuating a jar multiple times, the jar being interconnected in a same tubular string with the safety joint, and then disconnecting the tubular string at the safety joint in response to non-rotational displacement of the tubular string. | 09-12-2013 |
| 20130248204 | MANIPULATOR TOOL AND TOOL CATCHER USEFUL WITH WELLBORE REVERSE CIRCULATION - A method for reverse circulating a tool upwardly through a wellbore, the method including: providing a manipulator tool including an upper end and a lower end, conveying the manipulator tool down hole to a position adjacent a downhole tool, using the manipulator tool to manipulate the downhole tool, and reversing fluid flow through the well to create a pressure differential about at least one of the manipulator tool and the downhole tool such that the at least one of the manipulator tool and the downhole tool is lifted upwardly through the wellbore. A manipulator tool for use in a reverse circulating method is also described as are a tool catcher, a tool catching assembly and a tool catching method. | 09-26-2013 |
| 20130255964 | FRICTION REDUCTION MECHANISM FOR A DOWNHOLE RELEASE ASSEMBLY - A mechanism to enhance disengagement of release assembly portions from one another when disposed in a well. The mechanism may be disposed at an internal rod of the release assembly and configured to prevent frictional resistance to shifting of the rod. Thus, actuation of release may be assured, for example, in spite of any axial pull on the assembly which may tend to direct radial forces on the rod. As such, controlled separation of release assembly portions may be assured so as to aid in removal of a line coupled to the assembly from the well. | 10-03-2013 |
| 20130255965 | Breakout Wrench Assemblies and Methods - Break out wrench assemblies are provided that can include: a first subassembly, the first subassembly including a first pair of opposing arms linked by a first actuator configured to extend or compress a distance between the first pair of opposing arms; a second subassembly aligned with the first subassembly to receive a longitudinal member there between and rotate axially along the longitudinal member in relation to the first subassembly, the second subassembly including a second pair of opposing arms linked by a second actuator configured to extend or compress another distance between the second pair of opposing arms; at least one axial actuator coupled to the second subassembly and configured to rotate the second subassembly axially in relation to the first subassembly along the longitudinal member; and a controller coupled to the actuators and mechanically coupled to at least one of the subassemblies. Methods for separating linked longitudinal sections are also provided. | 10-03-2013 |
| 20130269952 | Robotic Disassembly Method at a Well Site - An example robotic method for disassembling and removing a well string (e.g., a string of sucker rods or tubing within a wellbore) involves a computer controlled track and trolley system. Movement of multiple trolleys, carriages, shuttles, articulated arms and other hardware is orchestrated in a manner that minimizes cycle time and thus reduces the overall time for removing the entire well string. In some examples, upper and lower robots travel along and share a first set of tracks while an upper trolley mechanism and a main trolley travel along and share a second set of tracks. In some examples, the two sets of tracks are mounted vertically to a mast, wherein the mast is part of a workover vehicle. | 10-17-2013 |
| 20130269953 | Method and Support Apparatus for Supporting Down Hole Rotary Tools - A portable frame assembly having a skid assembly for supporting a vertically oriented mast assembly is disclosed. The mast assembly is comprised of at least two column assemblies that may be extended or retracted vertically as desired. The mast assembly is translatable to slide horizontally on the skid assembly without the need for tracks or rollers by means of powered actuators to allow for a desired placement of the mast assembly. The portable frame assembly may be positioned adjacent a wellhead for the purpose of performing plug and abandon operations and may include a power swivel and other such hydraulic or mechanical tools for performing a variety of operations on a well including removing and plugging well casing strings, milling pipe strings, cement drilling, removing wellhead assemblies, or setting and pulling plugs from pipe strings. | 10-17-2013 |
| 20130284454 | RUBBER ELEMENT REMOVAL TOOL - A tool for removing a rubber element of an RCD from a drill stem, the tool having an upper pulling ring of a circumference sufficient to traverse around a rubber element, the ring having an open position and a closed position, the tool further having a lower stabilizing ring of a circumference sufficient to traverse around a drill pipe stump, the ring having an open position and a closed position, and the tool further having a plurality of chains suspending the lower stabilizing ring vertically below the upper pulling ring, as well as a hoist connection. | 10-31-2013 |
| 20130319683 | ANCHOR - An anchor and a method for limiting the movement of a tubing string within a wellbore are provided. The anchor comprises a mandrel, a slip body assembly, a drag block assembly, and a mechanism for transitioning the anchor between a release position and a set position. The mechanism is operable by relative movement between the drag block assembly and the mandrel. The anchor is transitionable between the release position and the set position by rotating the mandrel less than half a full turn relative to the drag block assembly. | 12-05-2013 |
| 20140014364 | Mechanically Activated Contingency Release System and Method - A release system comprises a torsional lock sleeve disposed about a mandrel, and a collet prop engaged with the mandrel. The torsional lock sleeve and the mandrel are configured to substantially prevent rotational movement of the torsional lock sleeve about the mandrel, and the torsional lock sleeve is configured to shift between a first position and a second position with respect to the mandrel. When the torsional lock sleeve is in the first position, the collet prop is retained in engagement with a collet and the collet prop is retained in a torsionally locked engagement with the torsional lock sleeve. The collet prop is configured to longitudinally translate in response to a rotational movement when the torsional lock sleeve is disposed in the second position. A shifting assembly is configured to engage the torsional lock sleeve and shift the torsional lock sleeve from the first position to the second position. | 01-16-2014 |
| 20140020907 | FIXED WET CONNECTION SYSTEM FOR AN ELECTRICAL SUBMERSIBLE PUMP - A wet connection system comprises a fixed tubing with an orientation profile and redundant, first and second fixed wet connectors, and an electrical submersible pump assembly (ESP) comprising a wet connector and an orientation element for engaging the orientation profile. The ESP can be reconfigured, for example, by interchanging its component modules so as to change the position of its wet connector with respect to the orientation element, whereby the wet connector on the ESP can be engaged alternatively with either one of the fixed wet connectors when the orientation element is engaged with the orientation profile in the same deployed position of the ESP. | 01-23-2014 |
| 20140034332 | Workstring Disconnect Tool and Method of Use - A tool for economically, efficiently, and reliably separating a workstring in a wellbore is disclosed. | 02-06-2014 |
| 20140048284 | Drill Rod Break-Out Wrench and Method of Use - A drill rod break-out wrench is utilized to disengage and remove drill rods from a drill string. The wrench has a lower body section with a flat, cut-out cavity configured to receive the upper end of the topmost drill rod in a drill string. The upper body section of the wrench is configured to be connected to the drill head. Rotation of the drill head rotates the wrench and the drill rod located within the wrench to threadably disengage the drill rod from the adjacent drill rod below. | 02-20-2014 |
| 20140054046 | ROTATION INHIBITING APPARATUS - Embodiments disclosed herein relate to methods and apparatus to inhibit rotation within a drilling rig. The apparatus may include a first member connected to a first component of the drilling rig, and a second member connected to the first member and connected to a second component of the drilling rig, the second component configured to move vertically with respect to the first component. The first member is configured to move vertically with respect to the second member and the first member and the second member substantially inhibit rotation between each other. The apparatus may include a rotational adjustment system, in which the rotational adjustment system is used to connect with one of the components of the drilling rig. | 02-27-2014 |
| 20140060854 | Hydraulic Disconnect Apparatus and Method of Use - A hydraulic disconnect apparatus is disclosed for disconnecting a pipe string or coiled tubing string from a bottom hole assembly for drilling, work over, or plug and abandonment of oil and gas wells. Disconnection is accomplished by pumping a circulation ball from surface through the pipe or coiled tubing string until it lands on a seat inside the apparatus. Fluid pressure is then applied to shift a piston assembly within the apparatus, thereby allowing a series of balls to retract. The upper and lower portions of the apparatus can then be separated by applying a tensile force to the upper portion. | 03-06-2014 |
| 20140102714 | DRILLING TOOL SYSTEM AND METHOD OF MANUFACTURE - A drilling system includes a first section of a drilling tool having a collar configured to hold internal components of the first section. The drilling system also includes a second section of the drilling tool configured to be coupled with the first section in a specific orientation relative to the first section. The second section is interchangeable with at least one different section. | 04-17-2014 |
| 20140110129 | HYDRAULIC DISCONNECT - A disconnect apparatus includes a lower housing, an upper housing having a collet mechanism configured to couple the upper housing to the lower housing, a retainer sleeve disposed within the upper housing and/or the lower housing, the retainer sleeve configured to move longitudinally within the lower housing and/or the upper housing between a first position and a second position in response to a pressure differential applied across the retainer sleeve; wherein in the first position at least a portion of the retainer sleeve is disposed radially inward of the collet mechanism and in the second position the retainer sleeve is disposed axially above or below the collet mechanism, and a biasing mechanism coupled to an end of the retainer sleeve. A method of disconnecting a tool from a tubular string includes applying a differential pressure across a sleeve and disengaging a collet mechanism with a housing. | 04-24-2014 |
| 20140116722 | JOINT SOLIDIFICATION TOOL - Embodiments of the present disclosure include a system having a clamping mechanism configured to apply a force on a first tool joint and a second tool joint, wherein the clamping mechanism is configured to transfer a torque from the first tool joint to the second tool joint, and the clamping mechanism is configured to rotate about an axis of the first and second tool joints. | 05-01-2014 |
| 20140116723 | METHOD OF INSTALLING A MULTI-BOWL WELLHEAD ASSEMBLY - A method of completing a well includes Lowering a wellhead onto a base al as upper end of the well. A hub with internal threads and an external circumferential stepped recess is secured to external threads of the wellhead. A blowout preventer assembly with an annular locking member having a plurality of locking demerits is landed on the hub, and the looking elements are engaged with the recess of the hub. The well is drilled through the blowout preventer assembly to a greater depth then the blowout preventer assembly and the hub are removed. A threaded flange with & plurality of bolt holes spaced around die flange is secured to the external threads of the wellhead and a wellhead member is bolted to the bolt holes of the threaded flange. | 05-01-2014 |
| 20140138100 | METHODS OF MECHANIZED AND AUTOMATED TRIPPING OF RODS AND TUBULARS - The present disclosure provides techniques and methods of tripping rods and tubulars. Specifically, the disclosure provides techniques for pulling a rod string out of hole and delivering the pulled out rod segments into a rod storage and racking system. The disclosure also provides techniques for pulling a tubular string out of hole and delivering the pulled out tubular segments into a tubular storage and racking system. The disclosure further provides techniques for delivering rods from the rod storage and racking system and running the rods down-hole. The disclosure also provides techniques for delivering tubulars from the tubular storage and racking system and running the tubulars down-hole. | 05-22-2014 |
| 20140158371 | DISCONNECTING TOOL - The present invention relates to a disconnecting tool ( | 06-12-2014 |
| 20140166306 | APPARATUS AND METHODS FOR RETRIEVING A WELL PACKER - A method of releasing a well packer can include applying a predetermined tension in a tubular string connected to the packer, and then reducing the tension, thereby retracting inward at least one slip of the packer. A well packer can include a generally tubular mandrel, at least one slip configured for gripping a well surface, the slip being extendable outward by engagement with a support surface, and a gripping device which permits displacement of the mandrel relative to the support surface in one direction, and which prevents displacement of the mandrel relative to the support surface in an opposite direction. A method of manufacturing a gripping device can include deforming a sleeve, thereby changing a diameter of the sleeve, aligning teeth on the sleeve across at least one slot in the sleeve, and heat treating the sleeve while the sleeve remains deformed and the teeth remain aligned. | 06-19-2014 |
| 20140196909 | Tubular Handling Device and Methods - A tubular handling apparatus including a tubular member running tool adapted to provide load-bearing, and preferably torquing, capacity upon the gripping of a tubular is provided. The running tool includes a slotted member having a plurality of elongated slots, a recessed member associated with the slotted member and having a plurality of recesses, and a plurality of gripping elements disposed between the slotted member and recessed member. Each such gripping element is adapted to move with an engaged tubular so as to grip the tubular. A tubular member elevator associated to the running tool, as well as related floor slips, are also encompassed. Methods of casing running are also included. | 07-17-2014 |
| 20140202710 | METHOD AND APPARATUS FOR PRESSURE-ACTUATED TOOL CONNECTION AND DISCONNECTION - A method is presented for connecting and disconnecting sections of a work string for use in a subterranean wellbore. A preferred method of disconnecting includes the steps of positioning a stinger and a downhole tool assembly of a work string adjacent upper and lower sealing rams, such as in a BOP and lubricator assembly. The sealing rams are closed, defining a first and second pressure zone adjacent the tool. A differential pressure is applied across the pressure zones, moving a piston element in the tool assembly. Axial movement of the piston element causes relative rotational movement of cooperating locking elements. In one embodiment, the locking elements are rotated to an unlocked position and then move relative to one another axially in response to a biasing spring. The relative axial movement of the locking elements results in unlatching of a latching assembly, thereby disconnecting the tool and stinger. | 07-24-2014 |
| 20140202711 | CROSS-COMMUNICATION BETWEEN ELECTRONIC CIRCUITS AND ELECTRICAL DEVICES IN WELL TOOLS - A well tool can include multiple electrical devices and multiple electronic circuits which control operation of the respective electrical devices, each electronic circuit including a respective isolation circuit, wherein each of the isolation circuits isolates a corresponding one of the electronic circuits from a respective one of the electrical devices in response to a predetermined condition. A method of operating a well tool can include providing multiple electronic circuits for operation of respective multiple electrical devices of the well tool, disconnecting one electronic circuit from its respective electrical device in the well, and connecting another electronic circuit to the electrical device in the well. Another method of operating a well tool can include providing multiple electronic circuits for operation of respective multiple electrical devices of the well tool, disconnecting one electronic circuit from its respective electrical device in the well, and connecting the electronic circuit to another electrical device. | 07-24-2014 |
| 20140202712 | METHODS OF ADJUSTING THE RATE OF GALVANIC CORROSION OF A WELLBORE ISOLATION DEVICE - A wellbore isolation device comprises a first material and pieces of a second material, wherein the first material: is a metal or a metal alloy; forms a matrix of the portion of the wellbore isolation device; and partially or wholly dissolves when an electrically conductive path exists between the first material and the second material and at least a portion of the first and second materials are in contact with the electrolyte, wherein the pieces of the second material: are a metal or metal alloy; and are embedded within the matrix of the first material; wherein the first material and the second material form a galvanic couple and wherein the first material is the anode and the second material is the cathode of the couple. The isolation device can also include a bonding agent for bonding the pieces of the second material into the matrix of the first material. | 07-24-2014 |
| 20140209321 | PLUG, AND METHODS FOR SETTING AND RELEASING THE PLUG - A plug includes a slip actuator for setting and release of slips, and a locking element in contact with the slip actuator. The locking element includes multiple parts with internal threads which constitute an enclosure around threads of a pipe. On the radial outer surface of the locking element are provided resilient elements. When setting the plug, the locking element is capable of sliding over the pipe threads for movement of the slip actuator and setting of the slips, until the locking element comes into engagement with a locking sleeve, fixed relative to the pipe, which prevents rotation of the locking element. When releasing the plug, the locking element is released from the locking sleeve, and the locking element rotates off the pipe threads, and the slip actuator follows the movement of the locking element and releases the slips. | 07-31-2014 |
| 20140209322 | TORQUE WRENCH SYSTEM HAVING MULTIPLE TORQUE STATIONS - An improved multi-bolt and nut torque wrench for installing and removing bolts or nuts from flanged joints or the like which includes a plurality of torque stations having a plurality of high torque wrenches for engaging the heads of the bolts or nuts during a high torque phase of removal or installation; a plurality of low-torque motors operatively engaged with the wrenches for rotating the bolts or nuts during the low torque phase of removal or installation; a source of hydraulic fluid for driving the low-torque motors during the low-torque phase, and driving the high-torque wrenches during the high torque phase; and a mechanism for switching between the two phases depending on the torque needed. | 07-31-2014 |
| 20140216757 | METHODS FOR INSTALLING AND RETRIEVING A WELL MONITORING APPARATUS - The invention concerns a method for installing an apparatus for monitoring physical parameters in an annulus of an oil and/or gas well having a well head. The apparatus comprises a sensor plug including a sensor and a flange assembly arranged with a bore holding a signal processing unit for communication with the sensor. The method comprises the following steps;
| 08-07-2014 |
| 20140238689 | Wellbore Packer And Method - A wellbore packer for setting against a wellbore wall in a wellbore, the wellbore packer including: a mandrel including a upper end and an lower end; and an outer housing encircling the mandrel and including a first compression ring, a second compression ring, an annular packing element encircling the mandrel and positioned between the first compression ring and the second compression ring, the sealing element being expandable to form an annular seal about the packer by compression between the first compression ring and the second compression ring; and an anchoring mechanism including a slip that is expandable outwardly into a set position and a slip actuation assembly to drive expansion of the slip. | 08-28-2014 |
| 20140246210 | REMOTELY ACTUATED CLAMPING DEVICES FOR BOREHOLE SEISMIC SENSING SYSTEMS AND METHODS OF OPERATING THE SAME - A remotely actuated clamping device for a borehole seismic sensing system. The remotely actuated clamping device includes a clamping mechanism configured to engage a surface of a borehole by actuation of the clamping mechanism. The remotely actuated clamping device also includes a fluid based actuator configured to actuate the clamping mechanism. The fluid based actuator includes a chamber configured to be kept at a pressure that is isolated from an ambient pressure of the borehole. The fluid based actuator also includes a piston within the chamber. The chamber receives a pressurized fluid to move the piston within the chamber to actuate the clamping mechanism. The pressure used to actuate the clamping mechanism is independent of the ambient pressure of the borehole. Also disclosed are methods of operating the device. | 09-04-2014 |
| 20140262329 | CONCENTRIC LOW PROFILE CLAMPING SYSTEMS AND METHODS FOR MAKING AND BREAKING THREADED CONNECTIONS - A clamping system for making and breaking threaded connections between a first component and a second component includes a first clamp assembly and a second clamp assembly. The first clamp assembly includes a first clamp member and a second clamp member disposed about an opening in the first clamp assembly. The second clamp assembly includes a third clamp member and a fourth clamp member disposed about an opening in the second clamp assembly. The opening in the second clamp assembly being coaxially aligned with the opening in the first clamp assembly. The first clamp member and the second clamp member are configured to engage the first component. The third clamp member and the fourth clamp member are configured to engage the second component. The first clamp member and the second clamp member are configured to rotate the first component relative to the second component. | 09-18-2014 |
| 20140290965 | DEACTIVATION OF PACKER WITH SAFETY JOINT - A packer deactivation system can include a packer and a safety joint. Activation of the safety joint can prevent setting of the packer. A method for use with a subterranean well can include activating a safety joint in the well, and deactivating a packer connected to the safety joint, in response to the safety joint activating. Another packer deactivation system can include a safety joint and a packer drag block locking mechanism. Activation of the safety joint can operate the drag block locking mechanism, thereby preventing a drag block from displacing in a certain direction relative to a mandrel of a packer. | 10-02-2014 |
| 20140332234 | SETTING TOOL - The present invention relates to a release device ( | 11-13-2014 |
| 20140345878 | Syntactic Foam Frac Ball and Methods of Using Same - A method of servicing a wellbore comprising providing a flowable component comprising syntactic foam, communicating the flowable component into a wellbore, and allowing the flowable component to be removed from the wellbore. | 11-27-2014 |
| 20140352975 | System and Methods for Recovering Hydrocarbons - A wellbore servicing method includes positioning a tubing string within a wellbore. The tubing string comprises a lower tubular coupled to an upper tubular via a disconnectable assembly having a lower section connected to the lower tubular and an upper section connected to the upper tubular. The method also includes disconnecting the lower tubular from the upper tubular via the disconnectable assembly. Disconnecting the lower tubular from the upper tubular comprises introducing a releasing member into the upper tubular and conveying the releasing member through the upper tubular to engage the disconnectable assembly. The method also includes retracting the upper tubular upwardly within the wellbore. Upon retracting the upper tubular, the releasing member is retracted along with the upper section of the disconnectable assembly. Also, upon retracting the upper tubular, a route of fluid communication out of the upper tubular is provided. | 12-04-2014 |
| 20140352976 | Method And An Apparatus For Retrieving A Tubing From A Well - The present invention relates to a method and an apparatus for retrieving a tubing from a well at least partly filled with a liquid. The tubing having a first end portion and a second end portion. The method including the steps of (a) running a retrieval apparatus using a connecting means from a surface and into the well, the retrieval apparatus including: an engagement means for engaging the tubing; a sealing means for sealing a portion of the bore of the tubing; injection means for injecting a low density fluid into the tubing, (b) connecting the engagement means to a portion of the tubing; (c) activating the sealing means to close liquid communication in the bore of the tubing between the first end portion and the second end portion; (d) replacing at least a portion of a volume of liquid defined by the sealing means, the tubing and the second end portion (B-B′) of the tubing by a low density fluid introduced in said volume by the injection means; and (e) retrieving the tubing out of the well using the connecting means. | 12-04-2014 |
| 20150021043 | 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. | 01-22-2015 |
| 20150047853 | SYSTEM AND METHODOLOGY FOR MECHANICALLY RELEASING A RUNNING STRING - A technique facilitates selectively disengaging a running string from a lateral tube assembly. The running string comprises a running sub which is engageable with the lateral tube assembly. The running string further comprises a window finder which is positioned to extend into a main bore casing window when the running string is deployed downhole with the lateral tube assembly. Additionally, the running string comprises an extension sub which is coupled to the window finder. The extension sub is selectively extensible to disengage the window finder from the main bore casing prior to release of the running sub from the lateral tube assembly via a release force applied through the running string. | 02-19-2015 |
| 20150101826 | AUTOMATED ROUGHNECK - An automated roughneck may include a backup tong and a makeup tong. The makeup tong and backup tong may be selectively movable relative to one another. The makeup tong and backup tong may include spinner and gripper assemblies respectively adapted to make up and break out threaded connections. The automated roughneck may be configurable to be removable from the drill string in a lateral direction. | 04-16-2015 |
| 20150107849 | APPARATUS AND METHOD TO RETRIEVE BOWL PROTECTOR PRIOR TO LANDING HANGER - A method tor completing a well includes drilling a well through a wellhead having an annular bowl protector inserted therein. The bowl protector lias an internal recess. A lower end of a casing string is lowered through the bowl protector. A centrahzer having a plurality of lugs on an outer surface is installed on a retrieval joint of casing of the casing string. The retrieval joint of casing and the eentralizer is lowered so the logs engage the internal recess of the bowl protector. The retrieval joint of casing is raised to lift the centralker and bowl protector out of the wellhead. | 04-23-2015 |
| 20150107850 | ELECTRIC TONG SYSTEM AND METHODS OF USE - An automated, electric tong system and methods usable for making-up and breaking out threaded connections between tubular members, wherein the electric tong system comprises a power tong for applying torque and rotating the upper tubular member, a backup tong for gripping tubulars, and a lift assembly for vertically moving the electric tong system into proper position to grip the upper and lower tubulars. The power and backup tongs and lift assembly of the electric tong system are integrated into a single transportable unit and operated by three separate electrical motors, controlled by a single driver. The backup tong is located below the power tong and comprises a pneumatic cylinder, which operates a backup door, and a linear actuator driven by an electric motor for use in latching the backup tong door in a closed position and applying or releasing a clamping force to a tubular, during make-up or break-out operations. | 04-23-2015 |
| 20150129239 | DEGRADABLE PACKING ELEMENT - A packing apparatus including at least one sealing surface formed from a degradable material. The degradable material may be a biodegradable polymer such as polyglocolic acid, polylactic acid, or their copolymers. The body of the packing apparatus may also be formed from a degradable material. The packing apparatus may be deployed in a subterranean well and disposed of without milling. | 05-14-2015 |
| 20150136417 | METHOD FOR HANDLING TUBULARS AND RIGIDIZER THEREFOR - A rigidizer and method for its use in supporting a tubular string during handling operations. The rigidizer includes upper and lower sleeves which pivotally open and close to clamp about the string. The upper and lower sleeves are rigidly connected by a number of structural telescopic legs that allow adjustment to different lengths for accommodating different strings. The rigidizer is installed on the string when the string is in a horizontal position and provides structural support to thin-walled components during upending and handling. Once the string is vertically oriented, the rigidizer is removed prior to being run into a marine riser or well. | 05-21-2015 |
| 20150144354 | Method And Apparatus For Tool Retrieval - The present disclosure is directed towards, in general, retrieval tools operable for conveyance within a wellbore extending below a wellsite surface, and methods of using such retrieval tools. One such retrieval tool comprises an annular member operable to receive a conveyance terminating at a downhole tool lodged within the wellbore. The annular member may subsequently receive and engage a portion of the downhole tool. The retrieval tool also comprises a flapper selectively operable to sever the conveyance if the downhole tool cannot be dislodged from the wellbore. | 05-28-2015 |
| 20150300114 | Collet Lock Assembly and Method for Downhole Load Diversion - A collet lock assembly for use on a downhole tool allows repeat cycling of a “RELEASE” and “SET” position. In the “RELEASE” position, the collet lock assembly allows bi-directional relative movement of the mandrel in relation to the collet lock assembly, while in the “SET” position, the assembly allows bi-directional load transfer along the mandrel directly into the slip assembly while diverting axial loads away from components positioned along the downhole tool. | 10-22-2015 |
| 20150308213 | METHOD AND APPARATUS FOR CATCHING DARTS AND OTHER DROPPED OBJECTS - A dart or other dropped object having a rigid nose is dropped or launched down hole, typically during cementing operations, until it lands on a resilient seat within a dart catcher receptacle. By increasing a pressure differential across the landed dart to a predetermined amount, the dart extrudes through the seat and passes into a ported catcher sub. The seat member can be constructed of engineered composite material that does not yield in response to passage of the dart and returns to its original size following such passage. | 10-29-2015 |
| 20150330156 | SWIVEL - A swivel configured to rotationally decouple an upper section of a work string from a lower section of the work string. The swivel includes an upper body coupled to a lower body by a ring member and a plurality of shearable members. The lower body has a plurality of teeth members that engage a plurality of teeth members of the ring member. Rotation of the upper body is transmitted to the lower body by the ring member. The upper body is rotatable relative to the lower body when the shearable members are sheared. | 11-19-2015 |
| 20150345231 | SYSTEMS AND METHODS FOR RELEASING A TOOL STRING - Disclosed is a release tool used to separate portions of a tool string. One release tool includes a main body, a collet retainer coupled to the main body and having a collet assembly arranged therein, the collet assembly being operatively coupled to a lower sub, a support piston releasably coupled to a separation nut and engaging the collet assembly such that the lower sub is prevented from removal from the collet assembly, and a trigger mechanism configured to send a command signal to the separation nut whereupon the separation nut releases the support piston such that it is able to be moved and the lower sub is thereby able to be removed from the collet assembly. | 12-03-2015 |
| 20150361756 | BOTTOM SET DOWNHOLE PLUG - A plug for isolating a wellbore. The plug can include a body having a first end and a second end, wherein the body is formed from one or more composite materials and adapted to receive a setting tool through the first end thereof, at least one malleable element disposed about the body, at least one slip disposed about the body, at least one conical member disposed about the body, and one or more shearable threads disposed on an inner surface of the body, adjacent the second end thereof, wherein the one or more shearable threads are adapted to receive at least a portion of a setting tool that enters the body through the first end thereof, and wherein the one or more shearable threads are adapted to engage the setting tool when disposed through the body and adapted to release the setting tool when exposed to a predetermined axial force. | 12-17-2015 |
| 20150368995 | Hydrostatic Setting Tool - A setting tool for use inside a well bore casing having an upper portion, a lower portion, and a wrap spring. The upper portion includes a mandrel coupled to a connecting line. The upper portion is configured to receive an input. The lower portion includes a first sleeve configured translate along an axis of the setting tool. The lower portion is selectively coupled to the upper portion. The wrap spring has a torsional preload and is coupled to the upper portion and the lower portion. The wrap spring is configured to selectively release the lower portion and upon reception of the input, such that the first sleeve is permitted to translate along the axis. | 12-24-2015 |
| 20150376957 | SYSTEMS AND METHODS FOR RELEASING A TOOL STRING - Disclosed is a release tool used to separate portions of a tool string. One release tool includes a main body, a bolt housing coupled to the main body and defining a bore for receipt of a separation bolt therein, the separation bolt being configured to couple the bolt housing to a lower sub, and a trigger mechanism communicably coupled to the separation bolt and configured to send an electrical signal to the separation bolt whereupon the separation bolt breaks and thereby allows the lower sub to separate from the bolt housing. | 12-31-2015 |
| 20150376975 | Synchronic Dual Packer with Energized Slip Joint - A downhole tool having a first packing element and a second packing element configured to synchronically set to selectively hydraulically isolate a portion of the wellbore. The lower packing element may be first set against the well with the upper packing element next being set against the well. A slip joint permits a change in distance between the packing elements during the setting of the packing elements. The slip joint may be energized to apply a force to the lower packing element to prevent the unsetting of the lower packing element during the setting of the upper packing element. A resilient member may be used to energize the slip joint or the slip joint could be hydraulically or pneumatically energized. Once both packing elements are set, the wellbore may then be treated by flowing fluid out of a ported sub positioned between the packing elements. | 12-31-2015 |
| 20160002984 | A WIRELINE CONNECTOR INCLUDING AN ELECTROMAGNET AND A METAL - A wireline coupler that connects a first data wireline to a second data wireline comprises: a first housing that is attached to the first data wireline, wherein the first housing comprises an electromagnet; a second housing that is attached to the second data wireline, wherein the second housing comprises a metal; wherein the electromagnet forms a magnetic field when electrical data flows in the first wireline, and wherein the magnetic field attracts the metal of the second housing and causes the first housing to connect with the second housing, such that first data wireline is operationally connected with the second data wireline. | 01-07-2016 |
| 20160002999 | ISOLATION DEVICES CONTAINING A TRANSFORMING MATRIX AND A GALVANICALLY-COUPLED REINFORCEMENT AREA - A method of using a wellbore isolation device comprises: introducing the wellbore isolation device into the wellbore, wherein the isolation device comprises: (A) a matrix, wherein the matrix has a phase transition temperature less than or equal to the bottomhole temperature of the wellbore; and (B) at least one reinforcement area, wherein the reinforcement area: (i) comprises at least a first material, wherein the first material undergoes galvanic corrosion; and (ii) has a greater tensile strength and/or shear strength than the matrix. | 01-07-2016 |
| 20160024858 | TOOL FOR SELECTIVELY CONNECTING OR DISCONNECTING COMPONENTS OF A DOWNHOLE WORKSTRING - The present invention relates to a tool for selectively connecting or disconnecting components of a downhole workstring comprising a drive shaft ( | 01-28-2016 |
| 20160047189 | DOWNHOLE APPARATUS - A setting tool ( | 02-18-2016 |
| 20160047200 | Expandable Packer Methods - A technique involves a packer formed as an expandable packer with an internal expandable bladder. The expandable bladder is formed with a section that is radially enlarged relative to an axial end of the expandable bladder when the bladder is in a relaxed state. The bladder configuration enables use of a reduced expansion ratio while still allowing expansion of the packer to a desired large diameter. | 02-18-2016 |
| 20160053582 | Tool With Modular Pressure Compensator And Related Methods - A tool which employs an internal fluid during operation in a subterranean environment at elevated pressures and/or temperatures, the tool including a modular pressure compensator component which can be easily and rapidly replaced as needed. Also described is a related method of maintaining a tool which employs an internal fluid during operation in a subterranean environment at one or more pressures above atmospheric pressure, and a related method of compensating for pressure changes within a tool which employs an internal fluid during operation in a subterranean environment at super-atmospheric pressures. | 02-25-2016 |
| 20160076326 | Substantially Degradable Perforating Gun Technique - A perforating gun technique. The technique includes perforating with the gun in a manner that deforms internal support structure thereof. Thus, follow-on treatment with a breakup fluid tailored to the material of the support structure may be utilized to dissolve the structure. The carrier of the gun which houses the structure may then be utilized as a conduit for fluid flow. | 03-17-2016 |
| 20160076332 | DISINTEGRABLE INVERTED SEAL - An inverted seal includes a disintegrable body; one or more inside dimension seals disposed in the body. A method for deploying a conventional seal after an inverted seal in a borehole. | 03-17-2016 |
| 20160097245 | METHOD OF DISCONNECTING A DRILL STRING AT A DRILL RIG - A method and apparatus for disconnecting an end rod from a drill string coupled together by a threaded connection is provided. A rod handling apparatus includes a gripper unit having a floating sled with a sensor unit configured to monitor relative axial position of the sled relative to a frame of the gripper unit to determine a decoupling of the threaded connection and a separation of an end rod from the drill string. | 04-07-2016 |
| 20160102534 | LONG-STROKE HYDRAULIC LIFT SYSTEM HAVING REDUCED HEIGHT - A lift and method for reciprocating a downhole pump includes an linear actuator, such as a piston-cylinder arrangement, located coaxially above the stuffing box of a well. The linear actuator includes a connecting rod that passes through and seals against the stuffing box, thereby taking the place of the traditional polished rod and allowing the linear actuator to be positioned lower and closer to the well. The connecting rod may be connected to the traditional polished rod below the stuffing box. A stopper may be selectively removed to allow the connecting rod to be pulled clear of the stuffing box while using the polished rod to seal the well, thereby allowing the linear actuator to be removed for maintenance. | 04-14-2016 |
| 20160108689 | ANCHORING MECHANISM AND METHOD FOR DOWN-HOLE TOOL - Method and down-hole tool for use inside a well, the down-hole tool including a housing; an anchoring arm rotatably attached to the housing and configured to move between an open position and a closed position; a spring block configured to have a central part that moves along a longitudinal axis (X) of the housing which results in the movement of the anchoring arm between the open or closed positions; and an actuating mechanism connected to the central part and configured to move the central part along the longitudinal axis. The spring block is detachably attached to the housing. | 04-21-2016 |
| 20160108692 | DOWNHOLE TOOL WITH RETRIEVABLE ELECTRONICS - Methods and apparatuses are disclosed for a downhole tool apparatus, that may include at least one pocket disposed within the downhole tool, which may include a tool electronic connection point; a latching mechanism; and a retrievable module; wherein the retrievable module may include: a module electrical connection point, wherein the tool electrical connection point and the module electrical connection point are electrically connected; a retrieving and running feature, wherein the module electrical connection point and the retrieving and running feature are on substantially opposite ends of the retrievable module; and wherein the latching mechanism engages the retrievable module to hold the retrievable module in the at least one pocket. | 04-21-2016 |
| 20160115368 | METHODS OF USING A DEGRADABLE COMPONENT IN A WELLBORE AND RELATED SYSTEMS AND METHODS OF FORMING SUCH COMPONENTS - Methods of using a component in a subterranean wellbore include positioning a component including a degradable thermoset polymer material in a wellbore location, obstructing flow with the component, exposing the component to an acidic solution to degrade the selectively degradable thermoset polymer material and to remove the component from the wellbore location, and flowing a fluid through the wellbore location where the component was positioned. Methods of forming a component of a wellbore system include forming at least a portion of the component to comprise a degradable thermoset polymer material. Wellbore systems include at least one component including a selectively degradable thermoset polymer material. The selectively degradable thermoset polymer material may be a polyhexahydrotriazine (“PHT”) material. | 04-28-2016 |
| 20160115745 | ROD ELEVATOR - A rod elevator including a first latching mechanism and a second latching mechanism connected to one another in a spaced apart relationship for connecting a pair of rods to one another in an axially aligned relationship. Each of the latching mechanisms has a rod receiving space axially aligned with a rod receiving space of the other latching mechanism. | 04-28-2016 |
| 20160123106 | RETRIEVAL OF COMPRESSED PACKERS FROM A WELLBORE - A packer assembly is located in a compacted wellbore and a method of relieving compression on the packer assembly are disclosed. An initial load path that exists when the packer assembly is in a set position is altered. The alteration of the load path relieves substantially all of the compression on the packer assembly. This causes a lower packer mandrel to move towards an upper packer mandrel. This upward movement shortens the distance between the upper packer mandrel and the lower packer mandrel, which removes the compressive forces on the packer assembly. | 05-05-2016 |
| 20160130894 | FLOW BACK JET PUMP - A jet pump assembly is adapted to be releasably attached to a tubular member of a tubular string in an oil well. The jet pump may be pumped out of the tubular string to the surface by a reverse flow of power fluid down the well between the tubular string and the casing of the well. Consequently the jet pump may be serviced or reconfigured to a direct pumping mode without the necessity of a wire line or other apparatus. A sensor for measuring downhole parameters such as temperature and pressure etc. is positioned within a cavity located in a lower portion of the jet pump so as to be removable from the well with the pump. | 05-12-2016 |
| 20160138352 | ANNULAR ISOLATION DEVICE FOR MANAGED PRESSURE DRILLING - An annular isolation device for managed pressure drilling includes a first housing portion coupled to a second housing portion; a packing element at least partially disposed in the first housing portion; a penetrator coupled to the first housing portion; and a carrier coupled to the second housing portion, wherein the carrier is configured to receive a portion of the penetrator. | 05-19-2016 |
| 20160138356 | WELL BORE CONTROL SYSTEM - The invention relates to a well bore control apparatus, system and method for sealing a well bore. The invention relates to a well bore control apparatus ( | 05-19-2016 |
| 20160153264 | SAFETY DEVICE FOR RETRIEVING COMPONENT WITHIN WELLHEAD | 06-02-2016 |
| 20160168935 | Packer or Bridge Plug Backup Release System of Forcing a Lower Slip Cone from a Slip Assembly | 06-16-2016 |
| 20160168938 | Packer or Bridge Plug with Sequential Equalization then Release Movements | 06-16-2016 |
| 20160168944 | Setting Sleeve | 06-16-2016 |
| 20160168947 | PACKER PLUG WITH RETRACTABLE LATCH, DOWNHOLE SYSTEM, AND METHOD OF RETRACTING PACKER PLUG FROM PACKER | 06-16-2016 |
| 20160177641 | WELL FLUID CONTAINMENT DEVICE WITH SAFETY MECHANISM | 06-23-2016 |
| 20160186508 | Tubular Handling Device and Methods - A tubular handling apparatus including a tubular member running tool adapted to provide load-bearing, and preferably torquing, capacity upon the gripping of a tubular is provided. The running tool includes a slotted member having a plurality of elongated slots, a recessed member associated with the slotted member and having a plurality of recesses, and a plurality of gripping elements disposed between the slotted member and recessed member. Each such gripping element is adapted to move with an engaged tubular so as to grip the tubular. A tubular member elevator associated to the running tool, as well as related floor slips, are also encompassed. Methods of casing running are also included. | 06-30-2016 |
| 20160186526 | CHOKE VALVE TRIM - Embodiments of the present disclosure are directed toward a choke valve system including a choke valve body and a plurality of choke trims. The plurality of choke trims comprises a plug and cage choke trim, an external sleeve choke trim, and a drilling choke trim, wherein the drilling choke trim is configured to enable a fluid flow rate greater than the plug and cage choke trim and the external sleeve choke trim, and wherein each of the plurality of choke trims is configured to be mutually exclusively secured within the choke valve body. | 06-30-2016 |
| 20160251928 | DEGRADABLE DOWNHOLE TOOLS COMPRISING RETENTION MECHANISMS | 09-01-2016 |
| 20160251945 | RUNNING TOOL AND LINER HANGER CONTINGENCY RELEASE MECHANISM | 09-01-2016 |
| 20160376857 | AUTOMATED PIPE TRIPPING APPARATUS AND METHODS - An automated pipe tripping apparatus includes an outer frame and an inner frame. The inner frame includes a tripping slips and iron roughneck. The automated pipe tripping apparatus may, in concert with an elevator and drawworks, trip in a tubular string in a continuous motion. The tripping slips and iron roughneck, along with the inner frame, may travel vertically within the outer frame. The weight of the tubular string is transferred between the tripping slips and the elevator. The iron roughneck may make up or break out threaded connections between tubular segments, the upper tubular segment supported by the elevator and the lower by the tripping slips. An automated pipe handling apparatus may remove or supply sections of pipe from or to the elevator. A control system may control both the automated pipe tripping apparatus and the elevator and drawworks. | 12-29-2016 |
| 20170234090 | Downhole Anchor | 08-17-2017 |
| 20180023357 | GRIPPING ARRANGEMENT | 01-25-2018 |
| 20180023364 | Capture Method for Flow Back Retrieval of Borehole Plug with a Lower Slip Assembly | 01-25-2018 |
