| 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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| 01/05/2012 | WO2012003084A2 Installation system with force generating tool |
| 01/05/2012 | WO2011123634A3 Multi-segment weight and spaced-apart cable modules in wellbore energy storage and retrieval |
| 01/05/2012 | US20120000674 Subterranean Jetting Tool |
| 01/05/2012 | US20120000673 Installation System with Force Generating Tool |
| 01/04/2012 | EP2402556A1 Explosive initiator |
| 01/04/2012 | EP2402555A1 Tractor communication/control and select fire perforating switch |
| 01/04/2012 | EP2401472A1 Head assembly |
| 01/04/2012 | EP2201212B1 Apparatus and method for ratcheting stimulation tool |
| 01/04/2012 | CN202100221U Hanging disconnecting device for fracturing pipe column of continuous oil pipe |
| 01/04/2012 | CN202100220U Oil pipe and casing hanger with controllable sealing performance |
| 01/04/2012 | CN102305044A Flexible drilling-free self-grouting sealing box structure for tail pipe hanger |
| 01/04/2012 | CN101103175B Gravel pack shut tube with control line retention and method for retaining control |
| 01/03/2012 | USRE43054 Method and apparatus for casing exit system using coiled tubing |
| 01/03/2012 | US8087465 Locking cap for subsea tree |
| 01/03/2012 | US8087464 System for installation and replacement of a subsea module and method applied thereby |
| 01/03/2012 | CA2663004C Method and apparatus to vibrate a downhole component |
| 01/03/2012 | CA2565133C Valve seat |
| 01/03/2012 | CA2476080C Mono-diameter wellbore casing |
| 01/03/2012 | CA2474998C Well system |
| 01/03/2012 | CA2424719C Hydraulically set liner hanger |
| 12/29/2011 | WO2011162895A2 Telescoping conduits with shape memory foam as a plug and sand control feature |
| 12/29/2011 | WO2011139800A3 Downhole tag assembly |
| 12/29/2011 | US20110315403 Bottom hole assembly comprising flow through setting tool and frac plug |
| 12/29/2011 | US20110315401 Side pocket barrier valve gas lift and mandrel |
| 12/29/2011 | US20110315400 Tubular positioning system and method of selectively positioning tubulars |
| 12/29/2011 | US20110315392 Subsea apparatus |
| 12/28/2011 | EP2398998A1 Fail as is mechanism and method |
| 12/28/2011 | CN202090874U 井巷快掘超前支护综合装置 Roadway Express dig advance support integrated device |
| 12/28/2011 | CN101358512B 可分别进行钻井和完井的旋转尾管悬挂器 Respectively rotary drilling and completion liner hanger |
| 12/28/2011 | CN101087926B 膨胀清管器 Expansion of pig |
| 12/27/2011 | US8082999 Drilling and completion deflector |
| 12/27/2011 | US8082985 Lockable anchor for insertable progressing cavity pump |
| 12/27/2011 | US8082984 Large bore packer and methods of setting same |
| 12/22/2011 | WO2011159283A1 Installation of lines in high temperature wellbore environments |
| 12/22/2011 | WO2011130350A3 Cementing whipstock apparatus and methods |
| 12/22/2011 | US20110308820 Downhole Apparatus with Packer Cup and Slip |
| 12/22/2011 | US20110308817 Multi-Zone Fracturing Completion |
| 12/22/2011 | US20110308816 Method of installing and removing an electric submersible pump |
| 12/22/2011 | US20110308814 Joint used for coupling long heaters |
| 12/22/2011 | US20110308809 Auxiliary subsurface compensator |
| 12/22/2011 | US20110308805 Launching tool with interlock system for downhole cement plug and method |
| 12/22/2011 | US20110308797 Wireless downhole tool positioning system |
| 12/22/2011 | US20110308793 High integrity hanger and seal for casing |
| 12/22/2011 | US20110308785 Whipstock assembly |
| 12/22/2011 | US20110308784 Disconnect device for downhole assembly |
| 12/22/2011 | CA2802403A1 Installation of lines in high temperature wellbore environments |
| 12/22/2011 | CA2707059A1 Method and apparatus for installing and removing an electric submersiblepump |
| 12/21/2011 | EP2396499A2 Downhole tool |
| 12/21/2011 | CN202081845U 组装式液压拔管机 Assembly of hydraulic pulling machines |
| 12/21/2011 | CN102287155A 双管针刺输油管重置修复装置及其修复方法 Device and method for repairing double-barreled acupuncture pipeline repair reset |
| 12/21/2011 | CN102287153A 井下松脱式连接器 Underground loose connector |
| 12/20/2011 | US8079418 Plug in pump for inverted shroud assembly |
| 12/14/2011 | CN102278084A 防脱落防顶卡瓦 Top anti-slip anti-shedding |
| 12/08/2011 | WO2011151271A1 Method and apparatus for use in well abandonment |
| 12/08/2011 | US20110300008 Compact cable suspended pumping system for lubricator deployment |
| 12/08/2011 | US20110297397 Deployment of downhole pump using a cable |
| 12/08/2011 | US20110297395 Remote drilling and completions management |
| 12/08/2011 | CA2836418A1 Method and apparatus for use in well abandonment |
| 12/07/2011 | CN202064865U 连续管用井口操作窗 Continuous effective wellhead operating window |
| 12/06/2011 | US8073664 Systems and methods for improved positioning of pads |
| 12/06/2011 | US8069925 Downhole resettable clutch swivel |
| 12/06/2011 | US8069918 Magnetic slip retention for downhole tool |
| 12/06/2011 | US8069917 Gripper assembly for downhole tools |
| 12/06/2011 | US8069916 System and methods for tubular expansion |
| 12/06/2011 | CA2713611C Multi-function isolation tool and method of use |
| 12/06/2011 | CA2583477C Expansion pig |
| 12/01/2011 | US20110290506 Downhole magnetic particle delivery system for oil and gas wells |
| 12/01/2011 | US20110290505 Drilling and Completion Deflector and Method of Using |
| 12/01/2011 | US20110290486 Well Treatment Device, Method, and System |
| 12/01/2011 | US20110290481 Apparatus And Method For Launching Plugs In Cementing Operations |
| 11/30/2011 | EP2389495A2 Apparatus and method for setting a downhole anchor and related telescopic joint |
| 11/30/2011 | CN102264996A 使井眼中的管状元件扩张 Wellbore tubular element expansion |
| 11/30/2011 | CN102264995A 用于向井下输送缆线的系统和方法 Systems and methods for downhole transmission cable |
| 11/29/2011 | US8066065 Expansion device |
| 11/29/2011 | US8066064 Well assembly having a casing hanger supported by a load member actuated by a retractable member disposed in the wellhead |
| 11/29/2011 | CA2642111C Method and system for controlling a downhole flow control device |
| 11/29/2011 | CA2633226C Method and apparatus to hydraulically bypass a well tool |
| 11/24/2011 | WO2011145950A1 An arrangement, device and method for resolving hydrate plugs |
| 11/24/2011 | US20110284244 Method And Apparatus For Suspending A Cable In A Pipe |
| 11/24/2011 | US20110284234 Apparatus and methods for providing tubing into a subsea well |
| 11/24/2011 | US20110284224 Cutting dart and method of using the cutting dart |
| 11/24/2011 | CA2799940A1 Method and apparatus for deploying and using self-locating downhole devices |
| 11/23/2011 | EP2205822B1 Object manoeuvring apparatus |
| 11/23/2011 | EP2097608B1 Hydraulically driven tractor |
| 11/23/2011 | EP1529150B1 Electric power control for sickline operations in wellbores |
| 11/23/2011 | CN202047770U Bidirectional locking hanger |
| 11/23/2011 | CN202047769U Safety pulling device for swabbing blowout prevention box |
| 11/23/2011 | CN102257242A Modifying expansion forces by adding compression |
| 11/23/2011 | CN102251753A Continuous oil pipe and fracturing pipe column hanging and uncoupling device |
| 11/22/2011 | US8061447 Variable linkage assisted gripper |
| 11/22/2011 | US8061429 Systems and methods for downhole completions |
| 11/22/2011 | US8061423 Expandable wellbore assembly |
| 11/22/2011 | US8061420 Downhole isolation tool |
| 11/22/2011 | CA2575060C System and method for forming cavities in a well |
| 11/22/2011 | CA2506923C A cable duct device in a swelling packer |
| 11/22/2011 | CA2429459C Adjustable stabiliser for directional drilling |
| 11/18/2011 | CA2716039A1 System, apparatus and process for collecting balls from wellbore fluids containing sand |
| 11/17/2011 | WO2011088013A3 Downhole hydraulic coupling assembly |
| 11/17/2011 | US20110278020 Shearing tool and methods of use |
| 11/17/2011 | US20110278005 Method and system for temporarily locking a tubular |