| 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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| 07/05/2006 | CN2793295Y Eccentric two-way oil pipe anchor with fixed torque |
| 07/04/2006 | US7070000 Sealed multilateral junction system |
| 07/04/2006 | US7069992 Mono-trip cement thru completion |
| 07/04/2006 | US7069987 Casing adapter tool for well servicing |
| 07/04/2006 | CA2452907C Expansion assembly for a tubular expander tool, and method of tubular expansion |
| 07/04/2006 | CA2428479C Apparatus and methods for separating and joining tubulars in a wellbore |
| 07/04/2006 | CA2236047C Deviated borehole drilling assembly |
| 06/29/2006 | WO2006068929A1 Method and apparatus for a cold flow subsea hydrocarbon production system |
| 06/29/2006 | WO2006067575A1 Improved anchor arm for seismic logging tool |
| 06/29/2006 | US20060137882 Blast joint swivel for wellhead isolation tool and method of using same |
| 06/29/2006 | CA2591137A1 Improved anchor arm for seismic logging tool |
| 06/28/2006 | CN1261668C Live pipeline valve replacer |
| 06/27/2006 | US7066281 Formation fluid sampling and hydraulic testing tool and packer assembly therefor |
| 06/27/2006 | US7066272 Sealed multilateral junction system |
| 06/27/2006 | US7066271 Expanded downhole screen systems and method |
| 06/27/2006 | US7066270 Multilateral reference point sleeve and method of orienting a tool |
| 06/27/2006 | US7066267 Downhole tubular splitter assembly and method |
| 06/27/2006 | US7066259 Bore isolation |
| 06/27/2006 | US7066251 Hydraulic jar lock |
| 06/27/2006 | CA2386665C Selective re-entry tool for multiple tubing completions and method of using |
| 06/27/2006 | CA2343190C Through-tubing retrievable whipstock system |
| 06/27/2006 | CA2226238C Indicating dog sub for weight-set packers |
| 06/22/2006 | WO2006065393A2 Tubular flotation with pressurized fluid |
| 06/22/2006 | WO2005116484A3 Chain drive system |
| 06/22/2006 | US20060131032 Lining well bore junctions |
| 06/22/2006 | US20060131031 Wellbore tool with disintegratable components |
| 06/22/2006 | US20060131011 Release mechanism for downhole tool |
| 06/21/2006 | EP1272727B1 Apparatus to actuate downhole tool |
| 06/21/2006 | CN2789402Y Underground sucker rod servo rotary apparatus |
| 06/20/2006 | US7063157 Apparatus and method for installation of subsea well completion systems |
| 06/20/2006 | US7063143 Docking station assembly and methods for use in a wellbore |
| 06/20/2006 | CA2383421C Orientation and locator system |
| 06/20/2006 | CA2285008C Electrically actuated disconnect apparatus |
| 06/20/2006 | CA2268597C Process for hydraulically fracturing oil and gas wells utilizing coiled tubing |
| 06/15/2006 | WO2006061694A1 Sonde deployment |
| 06/15/2006 | WO2006061645A1 Plug installation and retrieval tool for subsea wells |
| 06/15/2006 | WO2006020827A3 Hydroforming method and apparatus |
| 06/15/2006 | US20060124319 Completion apparatus and methods for use in wellbores |
| 06/15/2006 | US20060124317 Multi-cycle downhole tool with hydraulic damping |
| 06/15/2006 | US20060124296 Hyraulically releasable inflation tool for permanent bridge plug |
| 06/15/2006 | US20060124291 Auto-extending/retracting electrically isolated conductors in a segmented drill string |
| 06/15/2006 | CA2801108A1 Method to deliver energy in a well system |
| 06/15/2006 | CA2587782A1 Sonde deployment |
| 06/13/2006 | US7059881 Spoolable composite coiled tubing connector |
| 06/13/2006 | US7059417 Puller-thruster downhole tool |
| 06/13/2006 | US7059401 Flow control apparatus for use in a wellbore |
| 06/13/2006 | CA2233227C Method and apparatus for selective horizontal well re-entry using retrievable diverter oriented by logging means |
| 06/08/2006 | WO2006058363A1 Positive indication of latching in an inner and outer tube assembly, especially for downhole assemblies |
| 06/08/2006 | WO2005089458A3 Use of electromagnetic acoustic transducers in downhole cement evaluation |
| 06/08/2006 | US20060118298 Wellstring assembly |
| 06/07/2006 | CN1784534A Expansion device for expanding a pipe |
| 06/07/2006 | CN1258635C Wellbore system including a conduit an expandable device |
| 06/06/2006 | US7055596 Packer releasing methods |
| 06/06/2006 | CA2396822C Bi-directional grip mechanism for a wide range of bore sizes |
| 06/06/2006 | CA2306656C Expandable connector for borehole tubes |
| 06/06/2006 | CA2229090C A subterranean apparatus for deflecting a cutting tool |
| 06/01/2006 | WO2006058271A2 Coated tools for use in oil well pipes |
| 06/01/2006 | US20060113088 Expandable composite tubulars |
| 06/01/2006 | CA2582970A1 Coated tools for use in oil well pipes |
| 05/31/2006 | EP1549822A4 Remote intervention logic valving method and apparatus |
| 05/31/2006 | EP1368554B1 Expander for expanding a tubular element |
| 05/31/2006 | EP1070196B1 Apparatus and method for enhancing remote sensor performance |
| 05/30/2006 | US7051805 Expandable packer with anchoring feature |
| 05/30/2006 | US7051587 Traction apparatus |
| 05/26/2006 | WO2006014544A3 Wellhead hold-down apparatus and method |
| 05/26/2006 | WO2005124103A3 Apparatus and methods for positioning in a borehole |
| 05/25/2006 | US20060108151 Puller-thruster downhole tool |
| 05/25/2006 | US20060108125 Anchor and method of using same |
| 05/25/2006 | US20060108118 Apparatus and method for installation of subsea well completion systems |
| 05/24/2006 | EP1659259A1 Apparatus and methods for separating and joining tubulars in a wellbore |
| 05/24/2006 | EP1274992B1 Apparatus and method for downhole well equipment and process management, identification, and actuation |
| 05/24/2006 | CN2782911Y Wall hook type tail pipe hanging device for lateral well |
| 05/24/2006 | CN1777736A Wellstring assembly |
| 05/24/2006 | CN1776196A Method and system for accessing subterranean deposits from the surface |
| 05/23/2006 | US7048067 Wellbore casing repair |
| 05/23/2006 | US7048065 Method and apparatus for expandable liner hanger with bypass |
| 05/23/2006 | US7048063 Profiled recess for instrumented expandable components |
| 05/23/2006 | US7048062 Method of selecting tubular members |
| 05/23/2006 | US7048050 Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
| 05/23/2006 | US7048047 Gripper assembly for downhole tools |
| 05/23/2006 | CA2292676C Electrically sequenced tractor |
| 05/18/2006 | WO2008052058A2 Apparatus for radially expanding and plastically deforming a tubular member |
| 05/18/2006 | WO2006014417A3 Coiled tubing with dual member drill string |
| 05/18/2006 | US20060102360 System for radially expanding a tubular member |
| 05/18/2006 | US20060102348 Drifting tubing |
| 05/18/2006 | US20060102347 Method and apparatus for logging a well using fiber optics |
| 05/18/2006 | US20060102342 Fracture characterization using reservoir monitoring devices |
| 05/18/2006 | US20060102338 Anchoring device for a wellbore tool |
| 05/18/2006 | US20060102336 Primary electro-mechanical initiating dump bailer device and method of use |
| 05/17/2006 | EP1358426B1 Method of diminishing the size of the cross section of an opening of a hollow device located in a flow pipe |
| 05/17/2006 | EP1266119B1 Method and apparatus for handling tubular goods |
| 05/17/2006 | CN2780977Y Anchor for oil production tubular column of screw pump |
| 05/17/2006 | CN1774559A Pump plug |
| 05/16/2006 | US7044241 Method for drilling with casing |
| 05/16/2006 | US7044231 Expandable packer with anchoring feature |
| 05/16/2006 | US7044229 Downhole valve device |
| 05/16/2006 | US7044226 Method and a device for removing a hydrate plug |
| 05/16/2006 | US7044223 Heater cable and method for manufacturing |
| 05/16/2006 | US7044218 Apparatus for radially expanding tubular members |
| 05/16/2006 | CA2486896A1 Methods and apparatus for inserting and/or extracting pipe and/or tools during underbalanced drilling operations |