| 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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| 11/26/2009 | CA2725202A1 Circulation system for retrieval of bottom hole assembly during casing while drilling operations |
| 11/26/2009 | CA2725201A1 Monitoring flow rates while retrieving bottom hole assembly during casing while drilling operations |
| 11/26/2009 | CA2725145A1 Incremental u-tube process to retrieve of bottom hole assembly during casing while drilling operations |
| 11/25/2009 | EP2122118A2 Measurement device in a horizontal well |
| 11/25/2009 | EP2122117A1 Pressure activated locking slot assembly |
| 11/25/2009 | CN201351492Y Dispensing tool for gas drilling test instrument |
| 11/25/2009 | CN101589205A Restriction element trap for use with and actuation element of a downhole apparatus and method of use |
| 11/25/2009 | CN100562406C Plier |
| 11/24/2009 | CA2474517C Expansion apparatus for use in a wellbore |
| 11/19/2009 | WO2009140597A2 Jointed spearhead assembly |
| 11/19/2009 | WO2009102701A3 Expandable downhole actuator, method of making and method of actuating |
| 11/19/2009 | WO2009073357A4 High differential shifting tool |
| 11/19/2009 | US20090283327 Jointed spearhead assembly |
| 11/19/2009 | US20090283322 Drilling String Back off Sub Apparatus and Method for Making and Using Same |
| 11/19/2009 | US20090283280 Hydraulic open hole packer |
| 11/19/2009 | US20090283279 Zonal isolation system |
| 11/19/2009 | US20090283278 Strokable liner hanger |
| 11/19/2009 | US20090283273 Well construction and completion |
| 11/19/2009 | US20090283256 Downhole tubular length compensating system and method |
| 11/19/2009 | US20090283255 Strokable liner hanger |
| 11/17/2009 | US7617880 Anchor assembly for slickline setting tool for inflatables |
| 11/17/2009 | US7617878 Method and apparatus to complete a well having tubing inserted through a valve |
| 11/17/2009 | US7617873 System and methods using fiber optics in coiled tubing |
| 11/14/2009 | CA2665967A1 Torque-balanced electrical cable |
| 11/12/2009 | WO2009137537A2 Signal operated tools for milling, drilling, and/or fishing operations |
| 11/12/2009 | WO2009137536A1 Tools and methods for hanging and/or expanding liner strings |
| 11/12/2009 | WO2009137516A1 Tubular running devices and methods |
| 11/12/2009 | WO2009120446A3 Borehole plug |
| 11/12/2009 | WO2009106875A3 Pressure actuable downhole tool and a method for actuating the same |
| 11/12/2009 | WO2009102696A3 One trip liner running, cementing and setting tool using expansion |
| 11/12/2009 | US20090277689 Activating device for a downhole tool |
| 11/12/2009 | US20090277652 Swellable Packer Having a Cable Conduit |
| 11/12/2009 | US20090277648 Downhole apparatus with a swellable support structure |
| 11/12/2009 | US20090277647 Method of subsurface lubrication to facilitate well completion, re-completion and workover |
| 11/12/2009 | US20090277627 Subsurface lubricator and method of use |
| 11/12/2009 | CA2722612A1 Signal operated tools for milling, drilling, and/or fishing operations |
| 11/12/2009 | CA2722608A1 Tools and methods for hanging and/or expanding liner strings |
| 11/11/2009 | EP1339941B1 Improvements to disconnect devices |
| 11/11/2009 | CN201344007Y Automatic positioning clamp |
| 11/11/2009 | CN101578425A Coiled tubing wellbore drilling and surveying using a through the drill bit apparatus |
| 11/11/2009 | CN101575951A Petroleum expansion pipe hanger and construction technology |
| 11/10/2009 | US7614449 Tangentially-loaded high-load retrievable slip system |
| 11/10/2009 | CA2563076C Flapper opening mechanism |
| 11/10/2009 | CA2371085C A drillpipe assembly and a method of deploying a logging tool |
| 11/05/2009 | WO2009134141A1 Internal tree cap and itc running tool |
| 11/05/2009 | WO2009097341A3 Launching tool for releasing cement plugs downhole |
| 11/05/2009 | US20090272546 Downhole apparatus with a swellable seal |
| 11/05/2009 | US20090272544 Tools and methods for hanging and/or expanding liner strings |
| 11/05/2009 | US20090272541 Downhole apparatus with a swellable connector |
| 11/03/2009 | US7611339 Tri-line power cable for electrical submersible pump |
| 11/03/2009 | US7610958 Downhole actuation tool |
| 11/03/2009 | CA2308845C Combination whipstock and anchor assembly |
| 10/29/2009 | WO2009132125A2 Braking devices and methods for use in drilling operations |
| 10/29/2009 | WO2009131844A2 Subsea inflatable bridge plug inflation system |
| 10/29/2009 | WO2009111693A3 Through tubing gun lock |
| 10/29/2009 | WO2009102218A3 Method and device for position control of a working organ of a down-hole actuator |
| 10/29/2009 | US20090266561 Esp/separator assembly and method |
| 10/29/2009 | US20090266559 Method and apparatus for installing deflecting conductor pipe |
| 10/29/2009 | US20090266549 Method and assembly for producing oil and/or gas through a well traversing stacked oil and/or gas bearing earth layers |
| 10/29/2009 | US20090266544 Signal operated tools for milling, drilling, and/or fishing operations |
| 10/28/2009 | CN101566058A Multi-ball ball injector |
| 10/27/2009 | US7607497 Roller link toggle gripper and downhole tractor |
| 10/27/2009 | US7607495 Tractor with improved valve system |
| 10/27/2009 | US7607487 Packers and methods of use |
| 10/27/2009 | US7607476 Expandable slip ring |
| 10/27/2009 | CA2577897C Hydraulic set permanent packer with isolation of hydraulic actuator and built in redundancy |
| 10/23/2009 | CA2658539A1 System and method for deploying optical fiber |
| 10/22/2009 | WO2009129116A2 Combination whipstock and seal bore diverter system |
| 10/22/2009 | WO2009129061A1 Multiple ball launch assemblies and methods of launching multiple balls into a wellbore |
| 10/22/2009 | WO2009129059A2 Zero-relaxation packer setting lock system |
| 10/22/2009 | US20090260834 Intervention Rod |
| 10/22/2009 | US20090260833 Method and Apparatus to Provide Electrical Connection in a Wellhead for a Downhole Electrical Device |
| 10/22/2009 | US20090260830 Rigless well completion method |
| 10/21/2009 | CN101563522A Step ratchet mechanism |
| 10/20/2009 | US7604061 Coupler retained liner hanger mechanism and methods of setting a hanger inside a wellbore |
| 10/20/2009 | US7604060 Gripper assembly for downhole tools |
| 10/20/2009 | US7604057 Incremental U-tube process to retrieve of bottom hole assembly during casing while drilling operations |
| 10/20/2009 | US7604048 Spring energized debris barrier for mechanically set retrievable packer |
| 10/20/2009 | US7604047 Universal tubing hanger suspension assembly and well completion system and method of using same |
| 10/20/2009 | CA2568959C Collar locator for slick pump |
| 10/20/2009 | CA2430884C Re-enterable gravel pack system with inflate packer |
| 10/15/2009 | WO2009126792A1 Permanent packer using a slurry inflation medium |
| 10/15/2009 | WO2009126451A2 Sealing devices having a metal foam material and methods of manufacturing and using same |
| 10/15/2009 | WO2009126450A1 Multi-piece packer element containment system and method for manufacturing the same |
| 10/15/2009 | WO2009126420A1 Straight-bore back pressure valve |
| 10/15/2009 | US20090255666 Stop Collar Friction Clamping Device |
| 10/15/2009 | CA2720623A1 Straight-bore back pressure valve |
| 10/13/2009 | US7600566 Collar locator for slick pump |
| 10/13/2009 | US7600565 Downhole trigger apparatus |
| 10/13/2009 | CA2490615C Downhole tool |
| 10/13/2009 | CA2463774C Slickline power control interface |
| 10/08/2009 | WO2009122203A1 Method of creating an underwater cutting zone, and related plugging devices and methods |
| 10/08/2009 | WO2009122202A1 Abrasive cutting fluids |
| 10/07/2009 | EP2106494A2 Tractor communication/control and select fire perforating switch |
| 10/07/2009 | EP2106493A1 Device for transport of tools in wellbores and pipelines |
| 10/07/2009 | EP1999337B1 Frac system without intervention |
| 10/07/2009 | CN201321827Y Anti-sticking hydraulic anchor capable of continuous operation |
| 10/07/2009 | CN101550810A Outer suspension positioning mechanism of an underwater cutting tool |
| 10/06/2009 | US7597140 Expansion device for expanding a pipe |
| 10/06/2009 | US7597139 Downhole trigger apparatus |