| 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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| 02/05/2014 | CN203420656U Hydraulic flexible slip hanger |
| 02/05/2014 | CN103562490A System and method for servicing a wellbore |
| 02/05/2014 | CN103562489A Borehole seal, backup and method |
| 02/04/2014 | US8640770 End ring for use with swell packers |
| 01/30/2014 | WO2014018642A1 System and method of cutting and removing casings from wellbore |
| 01/30/2014 | WO2014018051A1 Actuation assembly for downhole devices in a wellbore |
| 01/30/2014 | US20140027118 Expandable liner |
| 01/30/2014 | US20140027104 Actuation Assembly for Downhole Devices in a Wellbore |
| 01/29/2014 | CN203412559U Sand control well completion tool of underground drawing expansion sand filtering pipe |
| 01/29/2014 | CN103547765A Expansion cone assembly for setting a liner hanger in a wellbore casing |
| 01/28/2014 | US8636067 Method and apparatus for performing cementing operations on top drive rigs |
| 01/28/2014 | US8636054 Position indicating multiplexed control system and method for downhole well tools |
| 01/28/2014 | CA2749138C Methods and apparatus for a downhole tool |
| 01/28/2014 | CA2714801C Directional setting tool and associated methods |
| 01/28/2014 | CA2616501C Safety device for an oil well and associated safety installation |
| 01/23/2014 | WO2014014959A1 Extended reach placement of wellbore completions |
| 01/23/2014 | US20140020911 Downhole tool system and method related thereto |
| 01/23/2014 | US20140020889 Well multiple casing installation system |
| 01/22/2014 | CN103527130A Reversing process string for horizontal well |
| 01/22/2014 | CN103527126A Oil pumping polish rod clamping and hanging device |
| 01/22/2014 | CN103527125A Backoff combination tool and method for pulling out tool with large diameter in gas well under pressure |
| 01/22/2014 | CN102146912B High-strength large-pump tripping device |
| 01/21/2014 | CA2794331C Mechanical counter |
| 01/21/2014 | CA2755819C Well tools utilizing swellable materials activated on demand |
| 01/16/2014 | WO2014011194A1 High pressure seal back-up |
| 01/16/2014 | WO2013139830A3 Downhole detection system |
| 01/16/2014 | US20140014369 Service panel |
| 01/16/2014 | US20140014368 Downhole driving unit having a hydraulic motor in a wheel |
| 01/16/2014 | US20140014367 Downhole driving unit having a spring member for assembling a hydraulic motor housing |
| 01/16/2014 | US20140014366 Downhole driving unit having a hydraulic motor with a static cam ring |
| 01/16/2014 | US20140014365 Downhole driving unit having a hydraulic motor with a planetary gearing system |
| 01/16/2014 | US20140014363 Hydraulic assembly |
| 01/16/2014 | US20140014354 Deployment of cables for landing strings |
| 01/16/2014 | US20140014353 Packer setting and/or unsetting |
| 01/16/2014 | US20140014323 Torque member |
| 01/16/2014 | US20140014322 Fail-safe spring |
| 01/16/2014 | US20140014321 Assembly |
| 01/16/2014 | US20140014315 Modular downhole tool |
| 01/16/2014 | US20140013731 Arm assembly |
| 01/15/2014 | CN203394418U Manual type rapid plugging device and socket spanner thereof |
| 01/15/2014 | CN203394399U Detached sticking-releasing anchor device |
| 01/15/2014 | CN203394398U Tubing plug non-releasing device for non-well-killing wellhead replacement of gas well |
| 01/15/2014 | CN203394370U Shear type releasing connector |
| 01/15/2014 | CN103510896A Installing tool for horizontal sleeve type connector for deep water manifold |
| 01/15/2014 | CN103510895A Throw-salvage type stopper |
| 01/15/2014 | CN103510894A Torque anchor |
| 01/15/2014 | CN103510883A Push-and-pull device for drill collar |
| 01/14/2014 | US8627895 Running tool |
| 01/14/2014 | US8627885 Non-collapsing built in place adjustable swage |
| 01/14/2014 | US8627884 Setting tool for expandable liner hanger and associated methods |
| 01/09/2014 | US20140008083 Remote Operation of Setting Tools for Liner Hangers |
| 01/09/2014 | CA2820053A1 Slip joint for downhole tubing |
| 01/08/2014 | EP2682562A1 Systems and methods for monitoring a wellbore and actuating a downhole device |
| 01/08/2014 | EP2681407A2 Tractor and jar assembly |
| 01/08/2014 | EP2681406A2 Tubing hanger-production tubing suspension arrangement |
| 01/08/2014 | EP2681404A1 Expansion cone assembly for setting a liner hanger in a wellbore casing |
| 01/08/2014 | CN203383770U Novel positioning device for tubing hanger |
| 01/08/2014 | CN203383761U Thread screw-in pressure ball injector |
| 01/08/2014 | CN203383760U Rubber core guider for under-balanced drilling |
| 01/08/2014 | CN103502566A Downhole cleaning system |
| 01/08/2014 | CN103498657A Full-series large-capacity automatic ball installing and digital control staged fracturing ball injector |
| 01/07/2014 | US8622143 Device, method and use for transfer of equipment for a wireline operation in a well |
| 01/07/2014 | US8622141 Degradable no-go component |
| 01/03/2014 | WO2014004433A2 Lock mechanism for downhole tools |
| 01/03/2014 | WO2014004143A1 Actuating device and method |
| 01/03/2014 | WO2014004022A1 Automated remote actuation system |
| 01/03/2014 | WO2013133861A3 Method for communicating with logging tools |
| 01/03/2014 | WO2013133860A3 Method and assembly for conveying well logging tools |
| 01/03/2014 | WO2012176174A3 Tool and method for locking and releasing a plug |
| 01/03/2014 | WO2012176173A3 Plug, and methods for setting and releasing the plug |
| 01/02/2014 | US20140000906 Liner flotation system |
| 01/02/2014 | CA2819959A1 Systems and methods for monitoring a wellbore and actuating a downhole device |
| 01/01/2014 | EP2679764A1 A Well comprising a Safety Mechanism and Sensors |
| 01/01/2014 | EP2679763A1 Well |
| 01/01/2014 | EP2679762A1 Casing Valve |
| 01/01/2014 | EP2678523A2 Subsea conductor anchor |
| 01/01/2014 | CN203374232U Multifunctional hoisting tool for pumping well |
| 01/01/2014 | CN203374231U Polish rod adjusting device of pumping unit |
| 01/01/2014 | CN203374230U Tool for quickly adding packing for rod-pumped well |
| 01/01/2014 | CN203374229U Pipe hanging device for assembling and disassembling geothermal well pipe |
| 01/01/2014 | CN203374214U Base structure capable of facilitating assembly and disassembly of drill rod in water well drilling rig |
| 01/01/2014 | CN103485741A Internal tree cap and itc running tool |
| 01/01/2014 | CN103485740A Internal tree cap and itc running tool |
| 01/01/2014 | CN103485739A Expansion type thermal production well tail pipe suspension device |
| 12/31/2013 | US8616293 Tool positioning and latching system |
| 12/31/2013 | US8616292 Resettable downhole torque limiter and related methods of use |
| 12/31/2013 | US8616275 Groundwater evaluation tools and methods of groundwater evaluation |
| 12/27/2013 | WO2013192062A1 Downhole seal element of changing elongation properties |
| 12/27/2013 | WO2013191687A1 Swellable packer with enhanced operating envelope |
| 12/27/2013 | WO2013190284A2 Improved bore selection apparatus |
| 12/27/2013 | WO2013190183A1 Weighted pipe assembly and a method of weighting collector pipes |
| 12/27/2013 | WO2013054099A3 Downhole tool actuator |
| 12/27/2013 | CA2877198A1 Improved bore selection apparatus |
| 12/26/2013 | US20130341049 Lock mechanism for downhole tools |
| 12/26/2013 | US20130341048 Hydraulically Triggered Anchor |
| 12/26/2013 | US20130341047 Drive systems for use with long lateral completion systems and methods |
| 12/26/2013 | US20130341046 System and method for controlling surface equipment to insert and remove tubulars with a well under pressure |
| 12/26/2013 | US20130341045 Guide attachment for use with drive systems |
| 12/26/2013 | US20130341044 Long lateral completion system and method |
| 12/25/2013 | EP2675988A1 Mechanical liner drilling cementing system |