| 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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| 06/03/2014 | US8739890 Mechanically activated contingency release system and method |
| 06/03/2014 | US8739884 Stackable multi-barrier system and method |
| 06/03/2014 | US8739873 System and method for fluid diversion and fluid isolation |
| 06/03/2014 | US8739865 Flanged end ring for use with swell packers |
| 06/03/2014 | US8739864 Downhole multiple cycle tool |
| 06/03/2014 | US8739860 Mechanical actuator with electronic adjustment |
| 06/03/2014 | CA2499071C Self-lubricating expansion mandrel for expandable tubular |
| 05/30/2014 | WO2014081957A1 Downhole tool anchoring system |
| 05/30/2014 | WO2014081305A1 Well runner |
| 05/30/2014 | WO2013106228A3 Multiple ramp compression packer |
| 05/29/2014 | US20140144653 Annulus Mounted Potential Energy Driven Setting Tool |
| 05/29/2014 | US20140144652 Apparatus, System and Method for Circumferentially Orienting a Downhole Latch Subsystem |
| 05/29/2014 | US20140144645 Internal tree cap and itc running tool |
| 05/29/2014 | US20140144619 Resettable Selective Locking Device |
| 05/29/2014 | US20140144617 System for Circumferentially Aligning a Downhole Latch Subsystem |
| 05/29/2014 | CA2842568A1 Apparatus and method for perforating a wellbore casing, and method and apparatus for fracturing a formation |
| 05/28/2014 | EP2735693A1 Tool for locating and plugging lateral wellbores |
| 05/28/2014 | CN203616847U 防喷管电控报警器 BOP pipe electrically controlled alarm |
| 05/28/2014 | CN203614067U 油管支撑锚 Tubing support anchors |
| 05/28/2014 | CN203614066U 球悬挂式可回收钻井井眼轨迹测量仪器下入工具 Ball hanging recyclable drilling tool trajectory into the next measuring instruments |
| 05/28/2014 | CN103827504A 潜水泵和用于组装潜水泵的方法 Submersible pump and method for assembling submersible pump |
| 05/27/2014 | US8733453 Expandable structure for deployment in a well |
| 05/22/2014 | WO2014078055A1 Power control for electrical applications over long cables |
| 05/22/2014 | WO2014077707A1 Sensor transportation apparatus and guide device |
| 05/22/2014 | US20140138101 Wellbore tool with indexing mechanism and method |
| 05/21/2014 | CN203603835U 连续油管用井下飞镖式堵塞工具 Darts style coiled tubing downhole plugging tool |
| 05/21/2014 | CN103814321A 光纤缆线 Fiber optic cable |
| 05/21/2014 | CN103806900A 一种安装井压测试传感器的机构 A well pressure testing of the sensor mechanism is mounted |
| 05/20/2014 | US8727040 Drill string valve and method |
| 05/20/2014 | US8727025 Downhole tool seal arrangement and method of sealing a downhole tubular |
| 05/20/2014 | US8727023 Wireline lubricator |
| 05/20/2014 | US8727021 Top drive system |
| 05/20/2014 | US8727019 Safety joint with non-rotational actuation |
| 05/20/2014 | US8727015 Method and apparatus of mounting a valve on a flange with flexible bolts to stop oil flow from a ruptured pipe or device |
| 05/20/2014 | US8726985 Expanding a tubular element in a wellbore |
| 05/20/2014 | US8726980 Permanent cable for submersible pumps in oil well applications |
| 05/15/2014 | WO2014074348A1 Production enhancement method for fractured wellbores |
| 05/15/2014 | WO2014074270A1 Actuator with visual indicator sleeve |
| 05/15/2014 | US20140131045 Downhole Tool Positioning System And Method |
| 05/14/2014 | CN203594435U 全密闭耐高压磁动力多球投球器 Fully enclosed high voltage magnetic power multi-ball pitching device |
| 05/14/2014 | CN203594393U 油管挂封堵器输送投捞装置 Occluder delivery tubing hanger cast fishing apparatus |
| 05/14/2014 | CN103790543A 一种微地震监测井井口保护密封连接装置及工艺方法 A micro seismic monitoring wellhead protection device and process for sealing connection |
| 05/14/2014 | CN103790535A 超长小直径连续油管快速预制测试仪器的装置及方法 Long small diameter coiled tubing equipment fast pre-test device and method |
| 05/14/2014 | CN103790534A 膨胀尾管悬挂装置 Expansion liner hanger device |
| 05/14/2014 | CN103790533A 可固井膨胀式尾管悬挂器 Can cementing expandable liner hanger |
| 05/14/2014 | CN103790532A 油井抢喷生根方法及机构 Well grab a spray rooting method and mechanism |
| 05/14/2014 | CN103790531A 搭桥式分离装置及其操作方法 Bypass separation apparatus and operating method thereof |
| 05/13/2014 | US8720588 Method and system for fixing an element in a borehole |
| 05/08/2014 | WO2014071116A2 Wireline crawler tractor |
| 05/08/2014 | WO2014070022A1 Downhole actuator device |
| 05/08/2014 | WO2013025283A3 Processes for fracturing a well |
| 05/08/2014 | US20140124216 Isolation device containing a dissolvable anode and electrolytic compound |
| 05/08/2014 | US20140124199 Tubular Assembly and Method of Deploying A Downhole Device Using A Tubular Assembly |
| 05/07/2014 | CN203584348U 投捞式堵塞器 And pulling type of plug |
| 05/07/2014 | CN203584347U 一种坐孔底并可回接的尾管装置 One kind of sit bottom of the hole and the tail pipe means tieback |
| 05/07/2014 | CN203584346U 堵塞器自动开闭锁投送帽 Automatically open clogged delivery caps lock |
| 05/07/2014 | CN203584345U 小套管井高压充填防砂丢手工具 Small cased-hole high-pressure filling sand lost hand tools |
| 05/07/2014 | CN103775044A 一种治理sagd注采水平井前端汽窜的管柱及工艺方法 A governance sagd injection and production tubing string and the front-end process for steam channeling of horizontal wells |
| 05/07/2014 | CN103775012A 一种高原抽油机活塞提出泵筒用装置 One kind of plateau with a pumping piston cylinder apparatus proposed |
| 05/07/2014 | CN102518407B 一种电缆式井下轴向力发生装置 A cable downhole axial force generating device |
| 05/06/2014 | US8714272 Cluster opening sleeves for wellbore |
| 05/06/2014 | US8714270 Anchor assembly and method for anchoring a downhole tool |
| 05/06/2014 | US8714269 Hydraulically actuated standoff |
| 05/06/2014 | US8714243 Methods and apparatus relating to expansion tools for tubular strings |
| 05/06/2014 | US8714242 Anchor assembly |
| 05/06/2014 | CA2780762C Setting tool for expandable liner hanger and associated methods |
| 05/06/2014 | CA2618409C Casing bottom hole assembly retrieval process |
| 05/01/2014 | WO2014066567A1 Coiled tubing pump down system |
| 05/01/2014 | WO2014066459A2 Vibrator sub |
| 05/01/2014 | WO2014066238A1 One trip packer plug debris milling and removal method |
| 05/01/2014 | WO2014065820A1 Method and system for driving a downhole power unit |
| 05/01/2014 | US20140116729 Wireline crawler tractor |
| 05/01/2014 | US20140116721 Downhole Tools, System and Method of Using |
| 05/01/2014 | US20140116680 Packer |
| 05/01/2014 | US20140116676 Support frame |
| 04/30/2014 | EP2723973A2 Plug, and methods for setting and releasing the plug |
| 04/30/2014 | EP2723972A1 Fracturing port locator and isolation tool |
| 04/30/2014 | EP2723971A2 Tool and method for locking and releasing a plug |
| 04/30/2014 | CN203570237U Extraction instrument pup joint on shooting nipple assembly |
| 04/30/2014 | CN103758476A Non-cementing expansion type drilling liner hanger |
| 04/30/2014 | CN103758475A Oil-water well unblocking drill stand |
| 04/30/2014 | CN102373892B Expansion liner hanger |
| 04/30/2014 | CN102027189B Method and system for anchoring and isolating wellbore |
| 04/29/2014 | US8708055 Apparatus and methods for wedge lock prevention |
| 04/26/2014 | CA2831122A1 Filament wound composite ball |
| 04/24/2014 | WO2014011549A4 Insulating annular fluid |
| 04/24/2014 | US20140110134 Vibrator sub |
| 04/24/2014 | US20140110130 Anchor Latch on Off For Sucker Rods |
| 04/23/2014 | EP2721301A1 Immersion pump and method for assembling an immersion pump |
| 04/23/2014 | CN203559831U Tool release device for underground oil-producing well |
| 04/23/2014 | CN103748315A Cement head with hammer union |
| 04/23/2014 | CN103742102A Preset packer and packing and fishing tool |
| 04/23/2014 | CN103742092A Expansion pipe completing tool |
| 04/23/2014 | CN103742091A Retrievable differential pressure sealing suspension feeder |
| 04/23/2014 | CN103742090A Large-drift-diameter hydraulic anchor |
| 04/23/2014 | CN103742089A Underground releasing mechanism |
| 04/23/2014 | CN102230365B synchronous rotation controller of oil gas well tail tube and implementation method thereof |
| 04/23/2014 | CN101285374B Method and apparatus for pipe-conveyed well logging |
| 04/22/2014 | CA2782897C Control line space out tool |
| 04/22/2014 | CA2634508C Universal pump holddown system |