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)
10/2012
10/09/2012CA2668535C Downhole anchoring tools conveyed by non-rigid carriers
10/04/2012WO2012130947A1 Downhole driving unit having a hydraulic motor in a wheel
10/04/2012WO2012130946A1 Downhole driving unit having a hydraulic motor with a static cam ring
10/04/2012WO2012130945A1 Arm assembly
10/04/2012WO2012130944A1 Hydraulic assembly
10/04/2012WO2012130943A1 Torque member
10/04/2012WO2012130942A1 Fail-safe spring
10/04/2012WO2012130940A1 Service panel
10/04/2012WO2012130939A1 Modular downhole tool
10/04/2012WO2012130938A1 Downhole driving unit having a spring member for assembling a hydraulic motor housing
10/04/2012WO2012130937A1 Downhole driving unit having a hydraulic motor with a planetary gearing system
10/04/2012WO2012130144A1 Hydraulically-controlled multi-switch valve and positioning instrument therefor
10/04/2012WO2012106039A3 Disconnect devices for downhole strings
10/04/2012WO2012103243A3 Setting tool
10/04/2012CA2831663A1 Arm assembly
10/04/2012CA2831662A1 Hydraulic assembly
10/04/2012CA2831661A1 Downhole driving unit having a hydraulic motor with a static cam ring
10/04/2012CA2831654A1 Torque member
10/04/2012CA2831653A1 Downhole driving unit having a hydraulic motor in a wheel
10/04/2012CA2831651A1 Fail-safe spring
10/04/2012CA2831649A1 Service panel
10/04/2012CA2831643A1 Downhole driving unit having a hydraulic motor with a planetary gearing system
10/04/2012CA2831638A1 Modular downhole tool
10/04/2012CA2831637A1 Downhole driving unit having a spring member for assembling a hydraulic motor housing
10/03/2012EP2505772A1 Hydraulic assembly
10/03/2012EP2505771A1 Arm assembly
10/03/2012EP2505770A1 Torque member
10/03/2012EP2505769A1 Service panel
10/03/2012EP2505768A1 Modular downhole tool
10/03/2012EP2505767A1 Fail-safe spring
10/03/2012EP2505766A1 Downhole driving unit having a hydraulic motor in a wheel
10/03/2012EP2505765A1 Downhole driving unit having a hydraulic motor with a planetary gearing system
10/03/2012EP2505764A1 Downhole driving unit having a spring member for assembling a hydraulic motor housing
10/03/2012EP2505763A1 Downhole driving unit having a hydraulic motor with a static cam ring
10/03/2012EP2504527A2 An apparatus and system and method of measuring data in a well extending below surface
10/03/2012CN202467893U Gas, water, slag separation integrated apparatus
10/03/2012CN202467731U Multi-stage prestress cementing casing anchor
10/03/2012CN202467730U Reverse Y-shaped slip hydraulic setting guider suspending tool
10/03/2012CN202467729U Packing filling device for pumping well
10/03/2012CN202467728U Plug valve disassembling tool
10/03/2012CN102713138A Downhole guiding tool
10/03/2012CN102713133A Subsea cap
10/03/2012CN102713132A Landing system for well casing
10/03/2012CN102704876A Method and tool for putting well completion pipe down by utilizing drill rod
10/02/2012US8276678 Support assembly for a deformable sealing element for a downhole tool
10/02/2012US8276677 Coiled tubing bottom hole assembly with packer and anchor assembly
10/02/2012US8276671 Bridging hanger and seal running tool
10/02/2012CA2635384C Downhole tool having an extendable component with a pivoting element
10/02/2012CA2514492C System and method for maintaining zonal isolation in a wellbore
09/2012
09/27/2012WO2012129029A2 Multiple liner hanger assembly
09/27/2012WO2012091983A3 Secondary flow path module, gravel packing system including the same, and method of assembly thereof
09/27/2012WO2012091840A3 Isolation of zones for fracturing using removable plugs
09/27/2012US20120241173 Pipe conveyed extendable well logging tool with protector
09/27/2012US20120241172 Pipe conveyed extendable well logging tool
09/27/2012US20120241171 Multiple Liner Hanger Assembly
09/27/2012US20120241170 Well tool assemblies with quick connectors and shock mitigating capabilities
09/27/2012US20120241169 Well tool assemblies with quick connectors and shock mitigating capabilities
09/27/2012US20120241162 Casing hanger lockdown slip ring
09/27/2012US20120241159 Remote Operated Vehicle Interface with Overtorque Protection
09/27/2012US20120241147 Reelable support
09/27/2012US20120241146 Wireless downhole tool positioning system
09/26/2012EP2501896A2 Expansion system for expandable tubulars
09/26/2012CN202451091U Dual-slip single-action hydraulic setting wedge deflection tool hanging tool
09/26/2012CN102691486A Casing hanger lockdown slip ring
09/25/2012US8272448 Spring loaded anchor system for electro-coil tubing deployed ESP's
09/25/2012CA2707740C Apparatus and method for utilising expandable sand screen in wellbores
09/25/2012CA2697605C Packer providing multiple seals and having swellable element isolatable from the wellbore
09/20/2012WO2012125936A2 Downhole rebound hardness measurement while drilling or wireline logging
09/20/2012WO2012051409A4 Apparatus including metal foam and methods for using same downhole
09/20/2012US20120234560 Restricted axial movement locking mechanism
09/20/2012US20120234559 Downhole swivel sub
09/20/2012US20120234556 Downhole artificial lifting system
09/20/2012US20120234532 Installation of tubular strings with lines secured thereto in subterranean wells
09/20/2012US20120234530 Remote Subterranean Tool Activation System
09/19/2012EP2499326A1 Jacking units and bellows for down hole intervention tools
09/19/2012CN202441295U Safety relief device for pipe column
09/19/2012CN202441294U Hydraulic anchor
09/19/2012CN202441293U Hydraulic anchor
09/19/2012CN102678076A Double-lock single elastic clip in-place locking core-taking suspension positioning mechanism
09/18/2012US8267174 Internal retention mechanism
09/18/2012US8267172 System and method for determining position within a wellbore
09/18/2012CA2667934C Interface for deploying wireline tools with non-electric string
09/16/2012CA2771741A1 Downhole system and apparatus incorporating valve assembly with resilient deformable engaging element
09/16/2012CA2771732A1 Multistage production system incorporating valve assembly with collapsible or expandable c-ring
09/13/2012WO2012121934A2 Tubing hanger-production tubing suspension arrangement
09/13/2012WO2012121857A1 Expansion cone assembly for setting a liner hanger in a wellbore casing
09/13/2012WO2012119249A1 Mechanical liner drilling cementing system
09/13/2012WO2012103136A3 Lock mandrel load distribution apparatus
09/13/2012CA2829080A1 Tubing hanger-production tubing suspension arrangement
09/13/2012CA2827878A1 Expansion cone assembly for setting a liner hanger in a wellbore casing
09/11/2012US8261842 Expandable wellbore liner system
09/11/2012US8261818 Self-inserting seal assembly
09/11/2012CA2636574C Method and apparatus for use in a wellbore
09/07/2012WO2012087516A3 Downhole release joint with radially expandable member
09/06/2012US20120222869 Wireline Cable For Use With Downhole Tractor Assemblies
09/06/2012US20120222866 Tubing hanger - production tubing suspension arrangement
09/06/2012US20120222857 Assembly
09/05/2012EP2494136A1 A device and a system and a method of moving in a tubular channel
09/05/2012EP2494135A1 Downhole apparatus
09/05/2012CN202417367U Expandable tail pipe hanger
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