Patents for E21B 23 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells (12,712) |
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04/17/2014 | WO2014011361A3 Wellbore servicing assemblies and methods of using the same |
04/17/2014 | WO2013154420A3 Apparatus and method to remotely control fluid flow in tubular strings and wellbore annulus |
04/17/2014 | WO2013079929A3 Apparatus and method for controlling a downhole device |
04/17/2014 | US20140102718 Cycle device |
04/16/2014 | EP2718533A2 Tubular assembly and method of deploying a downhole device using a tubular assembly |
04/16/2014 | EP2718532A1 Optimization of dynamically changing downhole tool settings |
04/16/2014 | CN203547689U Multi-stage cable-conveyed perforation controller |
04/16/2014 | CN203547647U Electric spray-resistant packer |
04/16/2014 | CN203547618U Oil-gas well cable-transmitting electric dispenser |
04/16/2014 | CN203547617U Expansion pipe liner hanger |
04/16/2014 | CN203547616U Expanding tail pipe hanger |
04/16/2014 | CN203547615U Torque anchor |
04/16/2014 | CN203547614U Large reset spring tightener for subsurface safety valve |
04/16/2014 | CN203547613U Expansion core type mechanical under-pressure valve replacing device |
04/16/2014 | CN203547612U Strong magnetic control synchronous ball injector |
04/16/2014 | CN203547611U Auxiliary device for changing clamp connected gate |
04/16/2014 | CN203547610U Whipstock anchor tool capable of double setting |
04/16/2014 | CN103732851A Annular barrier with compensation device |
04/16/2014 | CN103732850A Annular barrier with pressure amplification |
04/16/2014 | CN103732849A Disconnecting tool |
04/16/2014 | CN103726804A Hydraulic packer and mounting method thereof |
04/16/2014 | CN103726803A Oil-gas well tail pipe hanger protecting device |
04/15/2014 | US8695716 Multi-zone fracturing completion |
04/15/2014 | US8695712 Wellhead tree pressure compensating device |
04/15/2014 | US8695700 Seal with enhanced nose ring |
04/15/2014 | US8695699 Downhole release joint with radially expandable member |
04/15/2014 | US8695698 Expansion system for expandable tubulars |
04/15/2014 | US8695694 Borehole selector assembly |
04/10/2014 | WO2014055089A1 Well tool with dynamic metal-to-metal shape memory material seal |
04/10/2014 | WO2014053062A1 Pressure sensitive cover for a fluid port in a downhole tool |
04/10/2014 | WO2013167872A3 Drilling and lining subsea wellbores |
04/09/2014 | EP2715052A1 System and method for servicing a wellbore |
04/09/2014 | CN203531813U Metal sealing slip-type casing hanger |
04/09/2014 | CN103711470A Well fracturing acidification technique pipe and taking out method thereof |
04/09/2014 | CN103711450A Pump lowering clamp and new well pump lowering device |
04/09/2014 | CN102418487B Underwater wellhead combined tripping-in test tool |
04/08/2014 | US8689890 Running tool with feedback mechanism |
04/08/2014 | US8689864 Activation device |
04/08/2014 | US8689653 Pipeline inspection apparatus and method using radio frequency identification and inertial navigation |
04/08/2014 | CA2765193C Swellable packer with enhanced sealing capability |
04/08/2014 | CA2701955C Setting tool for expandable liner hanger and associated methods |
04/08/2014 | CA2677570C Pressure activated locking slot assembly |
04/08/2014 | CA2568945C Low pressure-set packer |
04/03/2014 | WO2013175189A3 Downhole apparatus |
04/03/2014 | WO2013011307A3 A pump and a method of positioning a pump |
04/02/2014 | EP2713004A2 Inserts for non-metallic slips oriented normal to cone face |
04/02/2014 | EP2712385A1 Reducing trips in well operations |
04/02/2014 | CN203515543U Whole-series high-capacity automatic ball-installing digital control staged fracturing ball injector |
04/02/2014 | CN203515432U Spiral packing box hanger |
04/02/2014 | CN203515415U Fixture block type anchoring device |
04/02/2014 | CN203515414U Claw sleeve type anchor device |
04/02/2014 | CN203515413U Mechanical and hydraulic dual-action ground anchor assembly |
04/02/2014 | CN203515412U Drilling tool clamping base driven by single hydraulic cylinder |
04/02/2014 | CN203515411U Screw thread ring type positioning connector |
04/02/2014 | CN203515410U Releasing tool |
04/02/2014 | CN203515409U Device for preventing electric submersible pump from falling into well |
04/02/2014 | CN203515408U Well mouth capturing device capable of preventing testing instrument from falling into well |
04/02/2014 | CN203515407U Roller-type flexible sliding device for horizontal well test |
04/02/2014 | CN203515406U Down-hole instrument traction device |
04/02/2014 | CN203515405U Stator taking-out device of pulser |
04/02/2014 | CN203515404U Anti-dislocation positioning installation rod for borehole stress meter |
04/02/2014 | CN103696715A Anchoring structure and underground blocking device |
04/02/2014 | CN102373894B Feeding and refloating integrated type plunger tool and working method thereof |
04/02/2014 | CN102367727B Single-slips double-acting non-cyclical setting whipstock hanging tool |
04/02/2014 | CN102213081B Spindle type metal sealing and metal framework type rubber sealing sleeve hanger |
04/01/2014 | US8684096 Anchor assembly and method of installing anchors |
03/27/2014 | WO2014047474A1 Modular coiled tubing unit |
03/27/2014 | WO2014047237A1 In situ polymerization for completions sealing or repair |
03/27/2014 | WO2014046799A1 Alternative path gravel pack system and method |
03/27/2014 | WO2014046676A1 Swellable packer having reinforcement plate |
03/27/2014 | WO2014044630A2 Expansion assembly, top anchor and method for expanding a tubular in a wellbore |
03/27/2014 | WO2014043807A1 Wellbore tool with indexing mechanism and method |
03/27/2014 | WO2014043806A1 Wellbore tool with indexing mechanism and method |
03/27/2014 | WO2011159890A3 Method and apparatus for multilateral construction and intervention of a well |
03/27/2014 | US20140083721 Setting tool for expandable liner hanger and associated methods |
03/27/2014 | US20140083713 Secondary System and Method for Activating a Down Hole Device |
03/27/2014 | CA2875943A1 Swellable packer having reinforcement plate |
03/26/2014 | EP2710219A1 Cement head with hammer union |
03/26/2014 | CN203499615U Tubing hanger retaining device |
03/26/2014 | CN203499611U Gravity compensation type hydraulic anchor |
03/26/2014 | CN203499610U Angle-type check valve magnetic ball taking device |
03/26/2014 | CN103670314A Sand prevention hydraulic anchor |
03/26/2014 | CN103670313A Non-metal anchor |
03/26/2014 | CN103670312A Underwater steel wire rope operation equipment with releasing and withdrawing functions |
03/26/2014 | CN103670311A Safe releasing tool for horizontal well |
03/26/2014 | CN103670310A Releasing tool for releasing string |
03/26/2014 | CN103670309A High intensity releasing tool |
03/25/2014 | US8678100 Method of deploying nanoenhanced downhole article |
03/25/2014 | US8678098 Magnetically coupled actuation apparatus and method |
03/25/2014 | US8678097 System and method for circumferentially aligning a downhole latch subsystem |
03/25/2014 | US8678083 Expandable liner hanger with helically shaped slips |
03/25/2014 | CA2701485C Process and apparatus to improve reliability of pinpoint stimulation operations |
03/20/2014 | WO2014043181A1 Systems and methods for in situ monitoring of cement slurry locations and setting processes thereof |
03/20/2014 | WO2014042818A1 Fluid flow impedance system |
03/20/2014 | WO2014042797A1 Retrievable connector for composite material sucker rod |
03/20/2014 | WO2013133890A3 Latching assembly for wellbore logging tools and method of use |
03/20/2014 | WO2013096127A3 Plug and abandonment system |
03/20/2014 | US20140076584 Expendable mechanical release packer plug for heavy mud |
03/20/2014 | US20140076580 Alternative Path Gravel Pack System and Method |
03/20/2014 | US20140076542 Autonomous Untethered Well Object |