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Match Document Document Title
9004181 Low profile rotating control device  
A system and method is provided for a law profile rotating control device (LP-RCD) and its housing mounted on or integral with an annular blowout preventer seal, casing, or other housing. The...
8991489 Signal operated tools for milling, drilling, and/or fishing operations  
A mud motor for use in a wellbore includes: a stator; a rotor, the stator and rotor operable to rotate the rotor in response to fluid pumped between the rotor and the stator; and a lock. The lock...
8985224 Internal bidirectional tubing plug  
An internal bidirectional tubing plug for plugging a well to prevent well fluids from passing the plug in a well conduit until the internal components of the plug are pumped out of its body. The...
8955602 System and methods for continuous and near continuous drilling  
The present disclosure provides a drilling and tripping equipment package and control scheme and methods using two or more systems that operate simultaneously and continuously in a synchronized...
8939218 Apparatus and method for the installation or removal of a rotary control device insert or a component thereof  
An apparatus for installing and removing a rotary control device insert or an element thereof has a first clamp with a receptacle suitable for receiving a flange of the rotary control device...
8936096 Rubber element removal tool  
A method for removing a rubber element of a rotary control device includes closing an upper pulling ring around the rubber element, closing a lower stabilizing ring around a drill pipe stump,...
8915303 Method and apparatus for installing and removing an electric submersible pump  
A method of servicing an electric submersible pump in a well with a positive wellhead pressure includes providing production tubing in the well casing, a coil tubing string within the production...
8893801 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...
8887817 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 able to move relative to each other between a connected position and a completely disconnected position. The tool comprises an...
8863851 Milled packer retaining tool with reverse circulation  
A grapple device is secured to a mill to allow relative rotation between them. The grapple has an outward bias to allow it to grip the packer bore or an extension from the packer. The mandrel has...
8863846 Method and apparatus to perform subsea or surface jacking  
A jack system may provide subsea or surface operation. The jack system includes a top plate and a base plate with at least two pistons disposed between the base and top plate. The pistons are...
8851191 Selectively fired high pressure high temperature back-off tool  
A method for unseating a threaded connection of wellbore tubing within the wellbore. The method utilizes a back-off tool which consists of a tubular metal housing, a shaped charge and HNS...
8813848 Isolation tool actuated by gas generation  
A down hole pressure isolation tool is placed in a pipe string and includes a pair of pressure discs having one side that is highly resistant to applied pressure and one side that ruptures when...
8807228 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...
8794328 Multilateral bore junction isolation  
A junction can be isolated from fracturing pressure using a liner extending from a one bore through a junction into a lateral bore, where at least a portion of the liner is retrievable from the...
8739900 System and method for coupling a drill bit to a whipstock  
A system and method facilitate drilling of a lateral wellbore by eliminating one or more trips downhole. The system comprises a drill bit optimized for the drilling operation. The drill bit is...
8733451 Locking safety joint for use in a subterranean well  
A safety joint for use in a subterranean well can include separable portions which, when separated, disconnect sections of a tubular string. Elongation of the safety joint can be permitted while...
8727019 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...
8701784 Tongs triggering method  
A method for controlling and coordinating the operation of a lifting device and a tongs device in removing and disassembling and/or installing and assembling a series of elongate members disposed...
8695699 Downhole release joint with radially expandable member  
An apparatus comprises an expansion device that is coupled to a support member and operable to be disposed within a tubular member. The expansion device is operable to radially expand the tubular...
8657006 Oil well plug and abandonment method  
A method of severing a well string that extends into an oil well from an oil platform with a deck includes supporting upper and lower sections of the well string, the lower section supported at...
8631877 Apparatus and methods for inflow control  
A first tubular member disposed within a second tubular member, and an annulus formed therebetween. The second tubular member can have a first and second packer disposed about an outer diameter...
8631870 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...
8596348 Downhole connector maintenance tool  
A tool is run into a liner that holds an electrical or hydraulic connection for a downhole tool which preferably is an electric submersible pump (ESP). It is capable of cleaning the electrical...
8584763 Managing pressurized fluid in a downhole tool  
A wellbore apparatus includes a connector sub assembly having a body, the body having a first end adapted to couple to a first perforating sub component and a second, axially opposed end adapted...
8579026 Safety structure for downhole power unit testing  
A safety apparatus for catching a test fixture released from a shaft of a downhole tool during the uphole calibration and testing of the shaft force generation capability of the tool. The safety...
8550173 Locking safety joint for use in a subterranean well  
A safety joint for use in a subterranean well can include separable portions which, when separated, disconnect sections of a tubular string. Elongation of the safety joint can be permitted while...
8540021 Release assembly for a downhole tool string and method for use thereof  
A release assembly (200) for releasing a portion of a tool string in a wellbore. The release assembly (200) includes an outer housing (202) having a fishing receptacle (206) disposed therein. The...
8517114 Mechanical lock with pressure balanced floating piston  
Parts that need to be retained against relative movement are held with at least one collet that is captured in a groove with sleeve that acts as a piston. The piston is exposed to tubing pressure...
8505633 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...
8499840 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....
8499841 Frac sleeve with rotational inner diameter opening  
The present application is to a method of sequentially drilling a number of frac sleeves in a down hole well. The design enables the removal of fracture sleeve pistons from between treatment zones...
8485266 Contigency release device that uses right-hand torque to allow movement of a collet prop  
A device comprises: a torsion lock sleeve, wherein the torsion lock sleeve comprises a crenellated second end, wherein the torsion lock sleeve is tubular in shape, and wherein at least a portion...
8479827 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...
8464613 Sucker rod coupling extractor  
A prior art sucker rod tong is improved to remove a coupling completely from a sucker rod assembly comprising sucker rods joined end to end by couplings. The prior art sucker rod tong has a...
8443906 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...
8443902 Time-controlled release device for wireline conveyed tools  
A time controlled release device for down line tools includes an outer housing, a disconnect housing releasably coupled to the outer housing, and a mandrel extending longitudinally within the...
8439119 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...
8424595 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...
8418771 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...
8413726 Apparatus, assembly and process for injecting fluid into a subterranean well  
Apparatus, assembly and process for allowing gas lift operations to be conducted along a relatively long perforated interval below a packer in a generally vertical or a deviated subterranean well....
8413728 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...
8403064 One trip retrieval of a multi-zone fracturing system  
A completion assembly of a top packer and zone isolation packers separated by screens has a disconnect in a selected zone to be fractured or gravel packed that is armed before such a procedure...
8393397 Apparatus and method for separating a tubular string from a subsea well installation  
An apparatus for separating a tubular string from a subsea well installation. The apparatus includes a heave compensator tensioning the tubular string, a subsea actuator assembly positioned within...
8381822 Managing pressurized fluid in a downhole tool  
A wellbore apparatus includes a connector sub assembly having a body, the body having a first end adapted to couple to a first perforating sub component and a second, axially opposed end adapted...
8342240 Method for providing a temporary barrier in a flow pathway  
A flow conduit may have at least one orifice, which conduit is in the vicinity of a flow source. The source is at least partially covered (and flow blocked by) an optional temporary coating or...
8316954 Apparatus and method for separating a downhole tubular string into two parts  
An apparatus for separating a downhole tubular string into two parts. The apparatus includes a receptacle operably associated with a first part of the downhole tubular string and a mandrel...
8307888 Method and apparatus for removing casing  
A method and apparatus for removing a string of casing from a well bore. The method and apparatus include a plurality of drill bits substantially aligned with each other for drilling a plurality...
8297365 Drilling string back off sub apparatus and method for making and using same  
A back-off sub apparatus is disclosed. The apparatus includes a connection connecting a rotational section and a non-rotational section. The rotational section is designed to be rotated via a ball...
8291977 Oil well plug and abandonment method  
A method of severing a well string that extends into an oil well from an oil platform with a deck includes supporting upper and lower sections of the well string, the lower section supported at...

Matches 1 - 50 out of 270 1 2 3 4 5 6 >