Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells › E21B 23 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
Patents for E21B 23 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells (12,712)
04/2014
04/17/2014WO2014011361A3 Wellbore servicing assemblies and methods of using the same
04/17/2014WO2013154420A3 Apparatus and method to remotely control fluid flow in tubular strings and wellbore annulus
04/17/2014WO2013079929A3 Apparatus and method for controlling a downhole device
04/17/2014US20140102718 Cycle device
04/16/2014EP2718533A2 Tubular assembly and method of deploying a downhole device using a tubular assembly
04/16/2014EP2718532A1 Optimization of dynamically changing downhole tool settings
04/16/2014CN203547689U Multi-stage cable-conveyed perforation controller
04/16/2014CN203547647U Electric spray-resistant packer
04/16/2014CN203547618U Oil-gas well cable-transmitting electric dispenser
04/16/2014CN203547617U Expansion pipe liner hanger
04/16/2014CN203547616U Expanding tail pipe hanger
04/16/2014CN203547615U Torque anchor
04/16/2014CN203547614U Large reset spring tightener for subsurface safety valve
04/16/2014CN203547613U Expansion core type mechanical under-pressure valve replacing device
04/16/2014CN203547612U Strong magnetic control synchronous ball injector
04/16/2014CN203547611U Auxiliary device for changing clamp connected gate
04/16/2014CN203547610U Whipstock anchor tool capable of double setting
04/16/2014CN103732851A Annular barrier with compensation device
04/16/2014CN103732850A Annular barrier with pressure amplification
04/16/2014CN103732849A Disconnecting tool
04/16/2014CN103726804A Hydraulic packer and mounting method thereof
04/16/2014CN103726803A Oil-gas well tail pipe hanger protecting device
04/15/2014US8695716 Multi-zone fracturing completion
04/15/2014US8695712 Wellhead tree pressure compensating device
04/15/2014US8695700 Seal with enhanced nose ring
04/15/2014US8695699 Downhole release joint with radially expandable member
04/15/2014US8695698 Expansion system for expandable tubulars
04/15/2014US8695694 Borehole selector assembly
04/10/2014WO2014055089A1 Well tool with dynamic metal-to-metal shape memory material seal
04/10/2014WO2014053062A1 Pressure sensitive cover for a fluid port in a downhole tool
04/10/2014WO2013167872A3 Drilling and lining subsea wellbores
04/09/2014EP2715052A1 System and method for servicing a wellbore
04/09/2014CN203531813U Metal sealing slip-type casing hanger
04/09/2014CN103711470A Well fracturing acidification technique pipe and taking out method thereof
04/09/2014CN103711450A Pump lowering clamp and new well pump lowering device
04/09/2014CN102418487B Underwater wellhead combined tripping-in test tool
04/08/2014US8689890 Running tool with feedback mechanism
04/08/2014US8689864 Activation device
04/08/2014US8689653 Pipeline inspection apparatus and method using radio frequency identification and inertial navigation
04/08/2014CA2765193C Swellable packer with enhanced sealing capability
04/08/2014CA2701955C Setting tool for expandable liner hanger and associated methods
04/08/2014CA2677570C Pressure activated locking slot assembly
04/08/2014CA2568945C Low pressure-set packer
04/03/2014WO2013175189A3 Downhole apparatus
04/03/2014WO2013011307A3 A pump and a method of positioning a pump
04/02/2014EP2713004A2 Inserts for non-metallic slips oriented normal to cone face
04/02/2014EP2712385A1 Reducing trips in well operations
04/02/2014CN203515543U Whole-series high-capacity automatic ball-installing digital control staged fracturing ball injector
04/02/2014CN203515432U Spiral packing box hanger
04/02/2014CN203515415U Fixture block type anchoring device
04/02/2014CN203515414U Claw sleeve type anchor device
04/02/2014CN203515413U Mechanical and hydraulic dual-action ground anchor assembly
04/02/2014CN203515412U Drilling tool clamping base driven by single hydraulic cylinder
04/02/2014CN203515411U Screw thread ring type positioning connector
04/02/2014CN203515410U Releasing tool
04/02/2014CN203515409U Device for preventing electric submersible pump from falling into well
04/02/2014CN203515408U Well mouth capturing device capable of preventing testing instrument from falling into well
04/02/2014CN203515407U Roller-type flexible sliding device for horizontal well test
04/02/2014CN203515406U Down-hole instrument traction device
04/02/2014CN203515405U Stator taking-out device of pulser
04/02/2014CN203515404U Anti-dislocation positioning installation rod for borehole stress meter
04/02/2014CN103696715A Anchoring structure and underground blocking device
04/02/2014CN102373894B Feeding and refloating integrated type plunger tool and working method thereof
04/02/2014CN102367727B Single-slips double-acting non-cyclical setting whipstock hanging tool
04/02/2014CN102213081B Spindle type metal sealing and metal framework type rubber sealing sleeve hanger
04/01/2014US8684096 Anchor assembly and method of installing anchors
03/2014
03/27/2014WO2014047474A1 Modular coiled tubing unit
03/27/2014WO2014047237A1 In situ polymerization for completions sealing or repair
03/27/2014WO2014046799A1 Alternative path gravel pack system and method
03/27/2014WO2014046676A1 Swellable packer having reinforcement plate
03/27/2014WO2014044630A2 Expansion assembly, top anchor and method for expanding a tubular in a wellbore
03/27/2014WO2014043807A1 Wellbore tool with indexing mechanism and method
03/27/2014WO2014043806A1 Wellbore tool with indexing mechanism and method
03/27/2014WO2011159890A3 Method and apparatus for multilateral construction and intervention of a well
03/27/2014US20140083721 Setting tool for expandable liner hanger and associated methods
03/27/2014US20140083713 Secondary System and Method for Activating a Down Hole Device
03/27/2014CA2875943A1 Swellable packer having reinforcement plate
03/26/2014EP2710219A1 Cement head with hammer union
03/26/2014CN203499615U Tubing hanger retaining device
03/26/2014CN203499611U Gravity compensation type hydraulic anchor
03/26/2014CN203499610U Angle-type check valve magnetic ball taking device
03/26/2014CN103670314A Sand prevention hydraulic anchor
03/26/2014CN103670313A Non-metal anchor
03/26/2014CN103670312A Underwater steel wire rope operation equipment with releasing and withdrawing functions
03/26/2014CN103670311A Safe releasing tool for horizontal well
03/26/2014CN103670310A Releasing tool for releasing string
03/26/2014CN103670309A High intensity releasing tool
03/25/2014US8678100 Method of deploying nanoenhanced downhole article
03/25/2014US8678098 Magnetically coupled actuation apparatus and method
03/25/2014US8678097 System and method for circumferentially aligning a downhole latch subsystem
03/25/2014US8678083 Expandable liner hanger with helically shaped slips
03/25/2014CA2701485C Process and apparatus to improve reliability of pinpoint stimulation operations
03/20/2014WO2014043181A1 Systems and methods for in situ monitoring of cement slurry locations and setting processes thereof
03/20/2014WO2014042818A1 Fluid flow impedance system
03/20/2014WO2014042797A1 Retrievable connector for composite material sucker rod
03/20/2014WO2013133890A3 Latching assembly for wellbore logging tools and method of use
03/20/2014WO2013096127A3 Plug and abandonment system
03/20/2014US20140076584 Expendable mechanical release packer plug for heavy mud
03/20/2014US20140076580 Alternative Path Gravel Pack System and Method
03/20/2014US20140076542 Autonomous Untethered Well Object
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