| 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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| 10/31/2006 | CA2443527C Pressure wave expansion tool |
| 10/31/2006 | CA2184322C Multiple lateral hydrocarbon recovery system and method |
| 10/26/2006 | WO2006113775A1 Compliant cladding seal/hanger |
| 10/26/2006 | US20060237191 Model HCCV hydrostatic closed circulation valve |
| 10/26/2006 | US20060237188 Compliant cladding seal/hanger |
| 10/25/2006 | EP1295005B1 Milling of casing using coiled tubing |
| 10/25/2006 | CN1281845C System for carrying well equipment in the well |
| 10/24/2006 | US7124900 Hanger for tool |
| 10/24/2006 | US7124830 Methods of placing expandable downhole tubing in a wellbore |
| 10/24/2006 | US7124829 Tubular expansion fluid production assembly and method |
| 10/24/2006 | US7124827 Expandable whipstock anchor assembly |
| 10/24/2006 | US7124826 Procedures and equipment for profiling and jointing of pipes |
| 10/24/2006 | US7124823 Apparatus for and method of anchoring a first conduit to a second conduit |
| 10/24/2006 | US7124821 Apparatus and method for expanding a tubular |
| 10/24/2006 | CA2453367C Choke valve assembly for downhole flow control |
| 10/24/2006 | CA2228732C Inflatable tubular sleeve for tubing or obturating a well or a pipe |
| 10/19/2006 | WO2006110885A1 Downhole position locating device with fluid metering feature |
| 10/19/2006 | US20060231258 Method of forming a window in a casing |
| 10/18/2006 | EP1712732A1 Liner hanger, running tool and method |
| 10/18/2006 | EP1712731A1 Liner hanger, running tool and method |
| 10/18/2006 | EP1712730A2 Liner hanger, running tool and method |
| 10/18/2006 | EP1712729A2 Liner hanger, running tool and method |
| 10/18/2006 | EP1712727A1 Method of completing a subterranean well and associated apparatus |
| 10/18/2006 | EP1514006B1 Telemetering system |
| 10/17/2006 | US7121364 Tractor with improved valve system |
| 10/17/2006 | US7121351 Apparatus and method for completing a wellbore |
| 10/17/2006 | US7121350 Torque anchor |
| 10/17/2006 | US7121337 Apparatus for expanding a tubular member |
| 10/12/2006 | US20060225892 Apparatus for radially expanding and plastically deforming a tubular member |
| 10/12/2006 | US20060225885 Downhole apparatus |
| 10/12/2006 | US20060225878 Downhole position locating device with fluid metering feature |
| 10/11/2006 | EP1709289A2 Externally activated seal system for wellhead |
| 10/11/2006 | EP1709285A1 Split locking ring for wellhead components |
| 10/11/2006 | EP1299616B1 Deformable member |
| 10/11/2006 | CN2825923Y Hanger for casing patching device |
| 10/11/2006 | CN2825922Y Power apparatus for casing patching device |
| 10/10/2006 | US7117958 One-step directional coring or drilling system |
| 10/10/2006 | US7117957 Methods for drilling and lining a wellbore |
| 10/10/2006 | US7117949 Expandable packer with anchoring feature |
| 10/10/2006 | US7117941 Variable diameter expansion tool and expansion methods |
| 10/10/2006 | US7117940 Expander for expanding a tubular element |
| 10/10/2006 | CA2220067C Tubular actuator component for use in a drill-string |
| 10/05/2006 | WO2006058271A3 Coated tools for use in oil well pipes |
| 10/05/2006 | WO2005111370A3 Improved flexible cup for downhole devices |
| 10/05/2006 | US20060219414 Lubrication system for radially expanding tubular members |
| 10/05/2006 | US20060219413 Upper-completion single trip system with hydraulic internal seal receptacle assembly |
| 10/04/2006 | EP1297241B1 Method for drilling and casing a wellbore with a pump down cement float |
| 10/03/2006 | US7114574 By-pass valve mechanism and method of use hereof |
| 10/03/2006 | US7114573 Hydraulic setting tool for liner hanger |
| 10/03/2006 | US7114559 Method of repair of collapsed or damaged tubulars downhole |
| 10/03/2006 | CA2326489C Drillstring with stabilisers for re-entering a primary wellbore |
| 10/03/2006 | CA2250483C Well system |
| 09/28/2006 | WO2006102171A2 Apparatus and method for radially expanding a wellbore casing using an expansion system |
| 09/28/2006 | WO2006020913A3 Method of manufacturing a tubular member |
| 09/28/2006 | US20060213668 A Method of Coupling Tubular Member |
| 09/28/2006 | US20060213656 Rotational set well packer device |
| 09/27/2006 | CN2821141Y Multipurpose safety unfreezing oil-water well two-way anchor |
| 09/26/2006 | US7111680 Bore-lining tubing and method of use |
| 09/26/2006 | US7111679 Expander for expanding a tubular element |
| 09/26/2006 | US7111677 Sand control for blanking plug and method of use |
| 09/26/2006 | US7111675 Remote closed system hydraulic actuator system |
| 09/21/2006 | WO2006099399A2 Determination of coal bed natural gas production factors and a system to determine same |
| 09/21/2006 | US20060207771 Whipstock anchor |
| 09/20/2006 | EP1703073A1 Methods and apparatus for moving equipment along a borehole |
| 09/19/2006 | US7108084 Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
| 09/19/2006 | US7108072 Lubrication and self-cleaning system for expansion mandrel |
| 09/19/2006 | CA2482507C Self-propelled swabbing device and method |
| 09/19/2006 | CA2367559C Inflatable packer setting tool assembly |
| 09/19/2006 | CA2245342C Deviated borehole drilling assembly |
| 09/19/2006 | CA2229109C Methods of completing a subterranean well and associated apparatus |
| 09/19/2006 | CA2189834C Method and apparatus for navigational drilling with a downhole motor employing independent drill string and bottomhole assembly rotary orientation and rotation |
| 09/14/2006 | US20060201716 Gripper assembly for downhole tools |
| 09/14/2006 | US20060201711 Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
| 09/13/2006 | CN2816335Y Lifting trippting device |
| 09/13/2006 | CN2816334Y Rotary screw-pump anchoring device |
| 09/12/2006 | US7104324 Intelligent well system and method |
| 09/12/2006 | US7104323 Spiral tubular tool and method |
| 09/12/2006 | US7104322 Open hole anchor and associated method |
| 09/12/2006 | US7104318 Self-contained centralizer system |
| 09/12/2006 | CA2309516C Drill string diverter apparatus and method |
| 09/08/2006 | WO2006092545A1 Improved well bore anchors |
| 09/08/2006 | CA2644667A1 Improved well bore anchors |
| 09/07/2006 | WO2006014544B1 Wellhead hold-down apparatus and method |
| 09/07/2006 | US20060196696 Electrically sequenced tractor |
| 09/07/2006 | US20060196694 Electrically sequenced tractor |
| 09/07/2006 | US20060196679 Apparatus for radially expanding and plastically deforming a tubular member |
| 09/07/2006 | US20060196668 Method, device and apparatus |
| 09/07/2006 | US20060196656 Liner setting tool |
| 09/05/2006 | US7100710 Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
| 09/05/2006 | US7100700 Downhole ball dropping apparatus |
| 09/05/2006 | US7100696 Disconnect for use in a wellbore |
| 09/05/2006 | US7100685 Mono-diameter wellbore casing |
| 09/05/2006 | CA2491444C Method and apparatus for remote control of multilateral wells |
| 09/05/2006 | CA2452798C Reinforced swelling elastomer seal element on expandable tubular |
| 09/05/2006 | CA2367608C Method and apparatus for accurate milling of windows in well casings |
| 09/05/2006 | CA2276522C Drill string diverter apparatus and method |
| 08/31/2006 | WO2006090168A1 Valve |
| 08/31/2006 | WO2006020810A3 Radial expansion system |
| 08/31/2006 | US20060191691 Expander system for stepwise expansion of a tubular element |
| 08/31/2006 | US20060191688 Multilateral reference point |