| 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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| 06/28/2012 | WO2012087148A1 A device for a running tool for a wellbore plug |
| 06/28/2012 | WO2012084227A1 Tool for extracting an object engaged in a fluid exploitation pipe, extraction device and related method |
| 06/28/2012 | WO2012047837A3 Remotely controlled apparatus for downhole applications, components for such apparatus, remote status indication devices for such apparatus, and related methods |
| 06/28/2012 | WO2012007884A4 Electrical wiring for drill pipe, casing, and tubing |
| 06/28/2012 | US20120160521 Interventionless set packer and setting method for same |
| 06/28/2012 | US20120160518 Apparatus for Applying an Axial Force to Well Pipe Slips |
| 06/28/2012 | US20120160516 System and Method for Positioning a Bottom Hole Assembly in a Horizontal Well |
| 06/28/2012 | US20120160480 System and method for anchoring an expandable tubular to a borehole wall |
| 06/28/2012 | US20120160479 Expandable pipe section |
| 06/28/2012 | CA2821727A1 Sampling assembly for a single packer |
| 06/28/2012 | CA2820221A1 Downhole release joint with radially expandable member |
| 06/27/2012 | EP2469014A1 Tool for extracting an object engaged in a fluid exploitation pipe, extraction device and related method. |
| 06/27/2012 | EP2467562A1 Liner hanger running tool and method |
| 06/27/2012 | CN202284451U 稠油热采井注汽管柱防转脱丢手装置 Thermal recovery of heavy oil steam injection wells throw off hand column anti-rotation device |
| 06/27/2012 | CN1860284B Expandable wellbore assembly |
| 06/27/2012 | CN102518407A Cable type underground axial force generating device |
| 06/26/2012 | US8205680 Expandable connection |
| 06/21/2012 | WO2012083180A2 "packer assembly with sealing bodies" |
| 06/21/2012 | WO2012081987A1 An arrangement and method for water shut-off in an oil and/or gas well |
| 06/21/2012 | WO2012080486A1 Rock anchor |
| 06/21/2012 | WO2012058546A3 Subsea pig handler |
| 06/21/2012 | WO2012048180A3 Electrically driven coiled tubing injector assembly |
| 06/21/2012 | WO2011117602A3 Mechanical counter |
| 06/21/2012 | WO2011117601A3 Downhole actuating apparatus |
| 06/21/2012 | US20120152568 Downhole Apparatus with a Swellable Support Structure |
| 06/21/2012 | US20120152567 Downhole release joint with radially expandable member |
| 06/21/2012 | US20120152566 Extended reach whipstock and methods of use |
| 06/21/2012 | US20120152565 Downhole release joint with radially expandable member |
| 06/21/2012 | US20120152526 System and method for anchoring an expandable tubular to a borehole wall |
| 06/21/2012 | CA2821840A1 Rock anchor |
| 06/21/2012 | CA2819364A1 Autonomous downhole conveyance system |
| 06/21/2012 | CA2819350A1 Packer for alternate flow channel gravel packing and method for completing a wellbore |
| 06/21/2012 | CA2732180A1 Low profile, high capacity ball injector |
| 06/20/2012 | EP2466064A1 Casing anchor |
| 06/20/2012 | CN202280436U 旋转防喷器工作台 BOP rotary table |
| 06/20/2012 | CN102505925A Conveying device for deep-water drilling tools |
| 06/19/2012 | US8204728 Systems and methods for improved positioning of pads |
| 06/19/2012 | US8201629 Staging tool seal arrangement for gas wells |
| 06/19/2012 | US8201623 Reduced wear position indicating subterranean tool |
| 06/14/2012 | WO2012047863A3 Remotely controlled apparatus for downhole applications and related methods |
| 06/13/2012 | EP2462307A2 Drill bit with an adjustable steering device |
| 06/13/2012 | EP2064411B1 Downhole hydraulic control system with failsafe features |
| 06/13/2012 | CN202273622U 扶正式水力锚 Official Rotary hydraulic anchor |
| 06/13/2012 | CN202273621U 一种旋转式油管锚 A rotary tubing anchor |
| 06/13/2012 | CN202273620U 一种注水管柱自扶正式锚定补偿器 One kind of self-help water column formal anchor compensator |
| 06/13/2012 | CN202273619U 可钻式预应力固井地锚 Prestressed cementing drill anchor |
| 06/13/2012 | CN202273618U 可靠丢手送入工具 Hand thrown into reliable tools |
| 06/13/2012 | CN102493775A Electric fishing device |
| 06/13/2012 | CN102493774A Universal rotatable setting releasing tool for packer or hanger |
| 06/13/2012 | CN102493773A Spirally wound packing filling device |
| 06/13/2012 | CN102493772A Clamping device of high-water-pressure exploration drilling rig |
| 06/12/2012 | US8196670 Downhole device |
| 06/12/2012 | US8196652 Radial expansion system |
| 06/12/2012 | CA2629390C Flow switchable check valve |
| 06/12/2012 | CA2594603C Method of using an orientation mule shoe to enter a previously-installed tubular in a lateral |
| 06/07/2012 | WO2012036917A3 Self-releasing plug for use in a subterranean well |
| 06/07/2012 | WO2011137112A3 Downhole barrier device |
| 06/07/2012 | US20120138313 Removable Insert for Formation of a Recess in a Tubular by Expansion |
| 06/07/2012 | US20120138312 Methods for Retrieving A Dipper Assembly |
| 06/07/2012 | US20120138310 Stackable multi-barrier system and method |
| 06/07/2012 | US20120138297 Cementing Method and Apparatus for Use with Running String Having an Obstruction |
| 06/06/2012 | EP2460973A2 Hydraulic control system for actuating downhole tools |
| 06/06/2012 | EP2156009B1 Improved activation device |
| 06/06/2012 | EP1242714B1 Tools and methods for use with expandable tubulars |
| 06/06/2012 | CN202266216U 一种注水井井下管柱水力锚定装置 An injection wells hydraulic downhole string anchoring device |
| 06/06/2012 | CN202266215U Bidirectional anchoring locator |
| 06/06/2012 | CN101429850B Branching well seat suspension liner tube hydraulic booster expansion system |
| 06/05/2012 | US8191645 Subterranean well tool including a locking seal healing system |
| 06/05/2012 | US8191644 Temperature-activated swellable wellbore completion device and method |
| 06/05/2012 | US8191640 Universal pump holddown system |
| 06/05/2012 | US8191639 Downhole swivel sub |
| 06/05/2012 | US8191626 Downhole jarring tool |
| 06/05/2012 | CA2467122C Latching system for maintaining position of component within a downhole drill string section |
| 05/31/2012 | WO2012071208A2 Entry guide formation on a well liner hanger |
| 05/31/2012 | WO2012069634A1 Downhole punch component |
| 05/31/2012 | WO2012069541A1 Downhole system having a wireless unit |
| 05/31/2012 | WO2012069540A1 Wireless downhole unit |
| 05/31/2012 | WO2012068672A1 Method and apparatus for setting a wellbore packer |
| 05/31/2012 | WO2011064210A3 An apparatus and system and method of measuring data in a well extending below surface |
| 05/31/2012 | US20120132441 Wellhead Assembly With Telescoping Casing Hanger |
| 05/31/2012 | US20120132440 Expandable Screen Assembly and Method of Expanding a Plurality of Screens |
| 05/31/2012 | US20120132439 Multifunction downhole release tool mechanism with lost motion |
| 05/31/2012 | US20120132427 Pressure Relieving Transition Joint |
| 05/31/2012 | CA2818850A1 Wireless downhole unit |
| 05/31/2012 | CA2818830A1 Downhole system having a wireless unit |
| 05/31/2012 | CA2815558A1 Entry guide formation on a well liner hanger |
| 05/31/2012 | CA2813820A1 Method and apparatus for setting a wellbore packer |
| 05/30/2012 | EP2458139A1 Downhole valve |
| 05/30/2012 | EP2458138A1 Downhole system having a wireless unit |
| 05/30/2012 | EP2458137A1 Wireless downhole unit |
| 05/30/2012 | EP2458134A2 Cleaning device for underground use in bore hole completion for deep drilling |
| 05/30/2012 | EP2456949A2 System and method for anchoring an expandable tubular to a borehole wall |
| 05/30/2012 | CN202249924U Tail pipe suspending packing assembly special for shallow horizontal well |
| 05/30/2012 | CN202249889U Auxiliary sealing device for casing hanger |
| 05/30/2012 | CN202249883U Integrated delivery and fishing plunger tool |
| 05/30/2012 | CN202249868U Pressing type sleeve reversing device |
| 05/30/2012 | CN202249867U Oil draining anchoring device of oil pipe |
| 05/30/2012 | CN202249866U Underground differential-speed cable traction device |
| 05/30/2012 | CN102482935A System and method for anchoring an expandable tubular to a borehole wall |
| 05/30/2012 | CN102482934A System and method for anchoring an expandable tubular to a borehole wall |