| 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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| 04/23/2009 | WO2009050503A2 Anchoring device |
| 04/23/2009 | WO2009050030A2 Device for controlling an inflatable tool used to treat a well or pipeline |
| 04/23/2009 | WO2009020827A3 Method for altering the stress state of a formation and/or a tubular |
| 04/23/2009 | US20090101362 Anchor assembly for slickline setting tool for inflatables |
| 04/23/2009 | US20090101329 Water Sensing Adaptable Inflow Control Device Using a Powered System |
| 04/23/2009 | CA2701849A1 Casing device |
| 04/22/2009 | CN201225110Y Expansion hanger |
| 04/22/2009 | CN201225109Y Double-acting releasing tool |
| 04/22/2009 | CN201225108Y High pressure oil gas water well pressured operation uncoupling machine |
| 04/21/2009 | US7520336 Multiple dart drop circulating tool |
| 04/21/2009 | US7520334 Subsurface lubricator and method of use |
| 04/16/2009 | WO2009048939A1 Circulation control valve and associated method |
| 04/16/2009 | WO2009048856A1 Apparatus and method for electrical packer feedthrough |
| 04/16/2009 | WO2009020951A3 Tangentially-loaded high-load retrievable slip system |
| 04/16/2009 | WO2009020826A4 Shape memory alloy closure spring for subsurface safety valves triggered by well fluids |
| 04/16/2009 | WO2008076768A3 Casing expansion and formation compression for permeability plane orientation |
| 04/16/2009 | US20090095490 Electrically activating a jarring tool |
| 04/15/2009 | CN201221327Y Pen type drilling oil conduit grabbing lock machine |
| 04/15/2009 | CN100478542C Open hole tractor and method for transferring articles in hole |
| 04/14/2009 | US7516792 Remote intervention logic valving method and apparatus |
| 04/14/2009 | US7516790 Mono-diameter wellbore casing |
| 04/14/2009 | US7516782 Self-anchoring device with force amplification |
| 04/09/2009 | WO2009045995A2 Liner drilling method and liner hanger |
| 04/09/2009 | WO2009043901A2 Inflatable packer with energy and triggering section |
| 04/09/2009 | WO2008088597A3 Assembling functional modules to form a well tool |
| 04/09/2009 | WO2006014333A3 Expandable tubular |
| 04/09/2009 | US20090090515 Wellhead Isolation Sleeve Assembly |
| 04/09/2009 | US20090090514 Open-hole wellbore lining |
| 04/08/2009 | EP1825103B1 Sonde deployment |
| 04/08/2009 | CN101403283A Down-hole tool and controllable positioning device for down-hole working barrel positioning |
| 04/07/2009 | US7513313 Bottom plug for forming a mono diameter wellbore casing |
| 04/07/2009 | US7513305 Apparatus and methods for operating a tool in a wellbore |
| 04/07/2009 | CA2590594C Method and apparatus for fluid bypass of a well tool |
| 04/07/2009 | CA2567135C Perimetrically loading collet |
| 04/07/2009 | CA2433363C Progressive cavity wellbore pump for use in artificial lift systems |
| 04/02/2009 | WO2009042401A1 Cast slip with preset carbide buttons |
| 04/02/2009 | WO2009042121A2 Externally activated seal system for wellhead |
| 04/02/2009 | WO2009023609A3 Downhole wet-mate connector debris exclusion system |
| 04/02/2009 | WO2008100362A3 Tractor communication/control and select fire perforating switch |
| 04/02/2009 | US20090084555 Novel activating mechanism for controlling the operation of a downhole tool |
| 04/02/2009 | CA2700574A1 Externally activated seal system for wellhead |
| 04/01/2009 | EP2042683A1 A logging while producing apparatus and method |
| 04/01/2009 | CN201215007Y Re-entering guide device for injection string |
| 04/01/2009 | CN201214983Y Hydraulic booster expansion system for liner tube hanging on branch well base |
| 03/28/2009 | CA2639465A1 A logging while producing apparatus and method |
| 03/26/2009 | WO2009037658A1 Low stress traction system |
| 03/26/2009 | WO2009037657A1 Anchoring system for use in a wellbore |
| 03/26/2009 | WO2008121653A4 Packer setting device for high-hydrostatic applications |
| 03/26/2009 | US20090078431 Systems and Methods for Providing Access to Wireline Communication Equipment |
| 03/26/2009 | US20090078429 System and method for engaging well equipment in a wellbore |
| 03/26/2009 | CA2699895A1 Anchoring system for use in a wellbore |
| 03/26/2009 | CA2699877A1 Low stress traction system |
| 03/25/2009 | CN201212394Y Thrower of electromanometer |
| 03/25/2009 | CN101392633A Mechanical and hydraulic double-acting expansion sieve tube hanger |
| 03/24/2009 | US7506691 Upper-completion single trip system with hydraulic internal seal receptacle assembly |
| 03/24/2009 | US7506687 System for radially expanding a tubular member |
| 03/24/2009 | CA2437052C Apparatus and method to mechanically orient perforating systems in a well |
| 03/19/2009 | US20090071661 Apparatus and methods for running liners in extended reach wells |
| 03/19/2009 | US20090071660 Low Stress Traction System |
| 03/19/2009 | US20090071659 Anchoring System for Use in a Wellbore |
| 03/19/2009 | US20090071658 Valve |
| 03/19/2009 | US20090071642 Downhole trigger apparatus |
| 03/18/2009 | CN101387194A Anchoring string for oil production string of hydraulic screw pump |
| 03/17/2009 | US7503398 Methods and apparatus for actuating a downhole tool |
| 03/17/2009 | US7503396 Method and apparatus for expanding tubulars in a wellbore |
| 03/17/2009 | US7503393 Lubrication system for radially expanding tubular members |
| 03/17/2009 | US7503390 Lock mechanism for a sliding sleeve |
| 03/12/2009 | WO2009032405A1 Rotation tool |
| 03/12/2009 | WO2008155526A3 Improved activation device |
| 03/12/2009 | WO2008137447A4 A method and apparatus for subterranean fracturing |
| 03/12/2009 | US20090065219 Method and a device for setting a casing |
| 03/12/2009 | US20090065196 Methods and Apparatus for Anchoring and Expanding Tubular Members |
| 03/12/2009 | US20090065193 Multi-Function Indicating Tool |
| 03/12/2009 | US20090065192 Packer |
| 03/12/2009 | US20090065191 Support assembly for downhole tool, downhole tool and method |
| 03/12/2009 | CA2734285A1 Rotation tool |
| 03/11/2009 | EP2032796A1 Compressible objects having a predetermined internal pressure combined with a drilling to form a variable density drilling mud |
| 03/11/2009 | CN201206446Y Polished rod localizer |
| 03/11/2009 | CN201206445Y Multi-stage anchor |
| 03/11/2009 | CN101384793A Pressure monitoring of control lines for tool position feedback |
| 03/07/2009 | CA2638484A1 Retractable sensor system and technique |
| 03/05/2009 | US20090057014 Method of using a Drill In Sand Control Liner |
| 03/05/2009 | US20090056956 Packing Element Booster |
| 03/05/2009 | US20090056954 High angle water flood kickover tool |
| 03/05/2009 | US20090056937 High angle water flood kickover tool |
| 03/05/2009 | CA2845206A1 Method and system for controlling a well service rig based on load data |
| 03/05/2009 | CA2639345A1 Method and system for controlling a well service rig based on load data |
| 03/05/2009 | CA2639343A1 Method and system for governing block speed |
| 03/04/2009 | CN201202467Y Continuous injecting apparatus of oil well horizontal segment test cable |
| 03/04/2009 | CN201202424Y Inner concealed slip-type hanger |
| 03/04/2009 | CN201202423Y Multifunctional hanging device |
| 03/03/2009 | US7497268 Drill pipe elevators and methods of moving drill pipe |
| 03/03/2009 | US7497255 High performance expandable tubular system |
| 03/02/2009 | CA2639344A1 Method and system for evaluating rod breakout based on tong pressure data |
| 02/26/2009 | WO2009009650A3 Apparatus and methods for drilling and lining a wellbore |
| 02/24/2009 | US7493967 Tractor with improved valve system |
| 02/24/2009 | US7493950 Device for a long well tool |
| 02/24/2009 | US7493946 Apparatus for radial expansion of a tubular |
| 02/24/2009 | US7493945 Expandable packer with mounted exterior slips and seal |
| 02/24/2009 | CA2407252C Bypass valve |