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)
04/2010
04/29/2010US20100101777 Mulitplate slip method and system
04/29/2010CA2741118A1 Multiple-block downhole anchors and anchor assemblies
04/28/2010EP2179125A2 Actuator device
04/28/2010CN201443387U Electronic release
04/28/2010CN201443324U Expansion waterpower anchor
04/28/2010CN201443323U Anti-spray anchoring machine of screw pump
04/28/2010CN201443322U Flashboard type adjustable choke nipple fixing device
04/28/2010CN1667237B Tubing anchor
04/27/2010US7703524 Cutting windows for lateral wellbore drilling
04/27/2010CA2639294C Perforating gun assembly
04/27/2010CA2310198C Hold down apparatus for progressing cavity pump
04/22/2010WO2009009085A3 High capacity wellhead connector having a single annular piston
04/22/2010US20100096144 Spring Loaded Anchor System for Electro-Coil Tubing Deployed ESP's
04/22/2010US20100096123 Hydraulic Running Tool Assembly and Method of its Use
04/21/2010EP2177710A1 Three dimensional steerable system
04/21/2010CN201439708U Casing limit and slip restraint device
04/21/2010CN201439697U Support for gland and pressure cap of packing box
04/20/2010US7699113 Apparatus and methods for running liners in extended reach wells
04/20/2010CA2610155C Casing and drill pipe filling and circulation apparatus
04/20/2010CA2543511C Earth boring apparatus for sinking shafts and method of excavating a shaft
04/20/2010CA2471067C Methods and apparatus for actuating a downhole tool
04/20/2010CA2397480C Expanding a tubular member
04/15/2010WO2009140084A8 Swellable packer with variable quantity feed-throughs for lines
04/15/2010US20100090639 Control System of an Actuator for the Actuation of Submarine Devices
04/15/2010US20100089593 Radially expanding a tubular element
04/15/2010US20100089592 Compliant expansion swage
04/15/2010US20100089591 Expandable liner hanger and method of use
04/15/2010US20100089590 Tubing Hanger
04/15/2010US20100089589 Modular well servicing unit
04/15/2010US20100089567 Measurement Device in a Horizontal Well
04/14/2010EP2175100A1 Three dimensional steerable system
04/14/2010CN201437690U Variable diameter releasing and tie-back tool
04/13/2010US7694740 Communication tool and method for a subsurface safety valve with communication component
04/13/2010US7694735 Sonde
04/13/2010CA2459910C Adjustable expansion cone assembly
04/13/2010CA2421227C Downhole motor lock-up tool
04/08/2010WO2010039113A1 System and method for delivering a cable downhole
04/08/2010WO2010037993A2 Methods and equipment to improve reliability of pinpoint stimulation operations
04/08/2010US20100084146 Ball seat sub
04/08/2010US20100084144 Instrument centralizer configurable for use with cement evaluation well logging instruments
04/08/2010US20100084143 Tubing hanger seal
04/08/2010US20100084141 Disconnect Apparatus and Method
04/08/2010US20100084140 Downhole seal and anchor releasing system and method
04/08/2010US20100084139 Downhole Waterflood Regulator
04/08/2010US20100084136 Power Slip Assembly for Wellhead Casing and Wellbore Tubing
04/08/2010CA2739413A1 System and method for delivering a cable downhole
04/07/2010CN101691833A Mounting method and mounting device for replacing valve under pressure
04/06/2010US7690430 Well casing extraction accessories and method
04/06/2010US7690424 Well bore anchors
04/06/2010CA2498694C Downhole ball dropping apparatus
04/06/2010CA2438561C Bearing assembly for a progressive cavity pump and system for liquid lower zone disposal
04/06/2010CA2382171C Smart shuttles to complete oil and gas wells
04/01/2010WO2010037137A2 Downhole device actuator and method
04/01/2010WO2010036542A2 Method and system for using wellbore instruments with a wired pipe string
04/01/2010WO2010036236A1 Anchor assembly
04/01/2010WO2010010326A3 Pipeline entry system
04/01/2010WO2010008958A3 A method and downhole tool actuator
04/01/2010WO2009155249A3 Extrusion-resistant nose seal
04/01/2010US20100078179 Electrocoil Tubing Cable Anchor Method
04/01/2010US20100078173 Downhole device actuator and method
04/01/2010US20100078166 Tubing expansion
04/01/2010CA2741765A1 Downhole device actuator and method
03/2010
03/31/2010CN201433738Y Counterbalance valve and fetching device thereof
03/31/2010CN101688438A Running tool for expandable liner hanger and associated methods
03/30/2010US7686090 Liner hanger tool with re-latchable cementing bushing
03/30/2010US7686089 Hanging apparatus and method
03/30/2010US7686076 Expandable tubulars for use in a wellbore
03/30/2010CA2499901C Remote intervention logic valving method and apparatus
03/25/2010WO2010032019A1 Subsea apparatus
03/25/2010WO2009155243A3 Downhole shut off assembly for artificially lifted wells
03/25/2010WO2009149038A3 Systems and methods for providing wireless power transmissions and tuning a transmission frequency
03/25/2010WO2008151316A3 Downhole swaging system and method
03/25/2010US20100071962 Drill Bit With Adjustable Steering Pads
03/25/2010US20100071912 System and method for plugging a downhole wellbore
03/25/2010US20100071909 Devices, Systems and Methods Relating to Down Hole Operations
03/25/2010US20100071905 Pressure Relieving Transition Joint
03/25/2010CA2737381A1 Subsea apparatus
03/24/2010CN201428404Y Quick guy-adjusting lengthened anchor
03/24/2010CN201428403Y Under-balance well cementation liner hanger feed tool
03/24/2010CN101680281A Drilling system with a barrel drilling head driven by a downhole tractor
03/24/2010CN101680280A 锚定工具 Anchoring tools
03/23/2010US7681652 Packer setting device for high-hydrostatic applications
03/23/2010US7681650 Valve seat
03/23/2010US7681636 Pipe expander
03/23/2010CA2562168C Method and apparatus for running two tubing strings into a well
03/18/2010WO2010030422A1 Sneak path eliminator for diode multiolexed control of downhole well tools
03/18/2010WO2009137516A8 Tubular running devices and methods
03/18/2010WO2009088502A3 Swellable packer with composite material end rings
03/18/2010US20100065283 Release Device
03/18/2010US20100065276 Method and apparatus for wellbore fluid treatment
03/18/2010CA2735384A1 Sneak path eliminator for diode multiplexed control of downhole well tools
03/16/2010US7677304 Passable no-go device for downhole valve
03/11/2010WO2010027936A1 Downhole tool with load diverting system and method
03/11/2010WO2009111604A3 A torque transfer arrangement and method
03/11/2010WO2009104109A3 Wellsite systems utilizing deployable structure
03/11/2010WO2009020395A3 Actuator device
03/11/2010US20100059232 System and method for retaining an element
03/10/2010CN201420519Y Large drift diameter sieve tube hanger
03/10/2010CN201420518Y Device for lifting casing coupling for replacement in oil-water well of oil patch
03/10/2010CN201420517Y Liner hanger
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