| 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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| 02/08/2007 | WO2006124534A3 Universal tubing hanger suspension assembly and well completion system and method of installing same |
| 02/08/2007 | US20070029095 Apparatus and method for running a radially expandable tubular member |
| 02/08/2007 | US20070029092 Mono-trip cement thru completion |
| 02/08/2007 | US20070029080 Deformable member |
| 02/08/2007 | CA2618409A1 Casing bottom hole assembly retrieval process |
| 02/07/2007 | CN2866798Y Safety joint |
| 02/07/2007 | CN1910337A Control system communication and lock open tool and method for locking open a safety valve and communicating with surface |
| 02/06/2007 | US7172038 Well system |
| 02/06/2007 | US7172029 Bi-directionally boosting and internal pressure trapping packing element system |
| 02/06/2007 | US7172028 Reciprocating slickline pump |
| 02/06/2007 | US7172027 Expanding tubing |
| 02/06/2007 | US7172026 Apparatus to allow a coiled tubing tractor to traverse a horizontal wellbore |
| 02/06/2007 | US7172024 Mono-diameter wellbore casing |
| 02/06/2007 | US7172021 Liner hanger with sliding sleeve valve |
| 02/06/2007 | CA2375045C Tubing conveyed fracturing tool and method |
| 02/06/2007 | CA2241358C Downhole anchor |
| 02/01/2007 | WO2007014339A2 Method and apparatus for coupling expandable tubular members |
| 02/01/2007 | WO2007014101A2 Downhole actuation tool |
| 02/01/2007 | WO2007014086A2 Downhole trigger apparatus |
| 02/01/2007 | CA2616438A1 Method and apparatus for coupling expandable tubular members |
| 01/31/2007 | EP1747345A2 Hydraulically set concentric packer with multiple umbilical bypass through the piston |
| 01/31/2007 | CN2864080Y Hydraulic releasing tool |
| 01/31/2007 | CN2864079Y Locating device for naked eye sub-well oblique machine |
| 01/31/2007 | CN2864078Y Isolating device for location of sub-well oblique machine |
| 01/30/2007 | US7168499 Radial expansion of tubular members |
| 01/30/2007 | US7168497 Downhole sealing |
| 01/30/2007 | US7168493 Downhole tool |
| 01/30/2007 | US7168486 Apparatus comprising expandable bistable tubulars and methods for their use in wellbores |
| 01/25/2007 | WO2007009248A1 Wireline entry sub |
| 01/25/2007 | WO2007009247A1 A method for drilling and cementing a well |
| 01/25/2007 | WO2007009246A1 Wireline entry sub |
| 01/25/2007 | US20070017707 One-step directional coring or drilling system |
| 01/25/2007 | US20070017670 Gripper assembly for downhole tools |
| 01/25/2007 | CA2853268A1 Wireline entry sub |
| 01/25/2007 | CA2849129A1 Wireline entry sub |
| 01/25/2007 | CA2615543A1 Wireline entry sub |
| 01/24/2007 | CN2861477Y Gun perforator with clamp fixing blasting cord and dedicated tools for clamp fixing |
| 01/24/2007 | CN2861460Y Dual external screw elevator plug |
| 01/23/2007 | US7165634 Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
| 01/23/2007 | US7165610 Removable seal |
| 01/23/2007 | CA2502399C Hydraulic fluid distribution system |
| 01/23/2007 | CA2384758C Packer system |
| 01/18/2007 | WO2007008455A1 System and method for actuating wellbore tools |
| 01/18/2007 | WO2007008351A1 Underbalanced drilling applications hydraulically operated formation isolation valve |
| 01/18/2007 | WO2007006137A1 Downhole force generator |
| 01/18/2007 | US20070012486 Slip spool assembly and method of using same |
| 01/18/2007 | US20070012485 Pulling tool device for use in tubulars and boreholes for oil-and gas production |
| 01/18/2007 | US20070012461 Packer tool arrangement with rotating lug |
| 01/18/2007 | US20070012456 Wellbore Casing |
| 01/18/2007 | US20070012443 Compliant cone for solid liner expansion |
| 01/18/2007 | US20070012440 Activating mechanism for hydraulically operable downhole tool |
| 01/18/2007 | US20070012439 Cup tool for a high-pressure mandrel and method of using same |
| 01/18/2007 | US20070012435 Downhole force generator |
| 01/18/2007 | CA2614980A1 Downhole force generator |
| 01/17/2007 | EP1743084A2 Deploying an assembly into a well |
| 01/16/2007 | US7163055 Placing fiber optic sensor line |
| 01/16/2007 | CA2386026C Improved anti-rotation tool |
| 01/14/2007 | CA2552030A1 Activating mechanism for hydraulically operable downhole tool |
| 01/11/2007 | WO2007003894A2 Wellbore cleaning method and apparatus |
| 01/11/2007 | US20070007014 System and method for actuating wellbore tools |
| 01/11/2007 | CA2612092A1 Wellbore cleaning method and apparatus |
| 01/10/2007 | EP1333963B1 Apparatus and methods for separating and joining tubulars in a wellbore |
| 01/10/2007 | CN2856385Y Hydraulic releasing gadget for drillable thin-wall tail pipe |
| 01/10/2007 | CN2856384Y Hydraulic releasing gadget for drillable thin-wall tail pipe |
| 01/10/2007 | CN2856383Y Emergency mechanical releasing gadget for drillable thin-wall tail pipe |
| 01/10/2007 | CN2856382Y Novel releasing gadget |
| 01/10/2007 | CN1294336C Apparatus and method for driving casing string, pipe string or tubing string vertically inside well hole |
| 01/09/2007 | US7159669 Internal riser rotating control head |
| 01/09/2007 | US7159666 Method to install a cylindrical pipe in a wellbore |
| 01/09/2007 | US7159661 Multilateral completion system utilizing an alternate passage |
| 01/04/2007 | US20070000697 Puller-thruster downhole tool |
| 01/04/2007 | US20070000693 Tractor with improved valve system |
| 01/04/2007 | US20070000665 Isolation assembly for coiled tubing |
| 01/04/2007 | US20070000664 Axial compression enhanced tubular expansion |
| 01/03/2007 | EP1264074B1 Intervention device for a subsea well, and method and cable for use with the device |
| 01/03/2007 | EP1261801B1 Recirculatable ball-drop release device for lateral oilwell drilling applications |
| 01/03/2007 | CN2854059Y Semi-automatic packing setting device for oil well |
| 01/02/2007 | US7156193 Continuous positive flow backflash prevention system |
| 01/02/2007 | US7156192 Open hole tractor with tracks |
| 01/02/2007 | US7156187 Electric hand screwdriver with adjustable head |
| 01/02/2007 | US7156182 Method and apparatus for one trip tubular expansion |
| 01/02/2007 | US7156181 Puller-thruster downhole tool |
| 01/02/2007 | US7156180 Expandable tubing and method |
| 01/02/2007 | US7156169 Electrically operated actuation tool for subsea completion system components |
| 12/28/2006 | WO2006119129A3 High pressure expandable packer |
| 12/28/2006 | WO2006079072A3 Method and apparatus for expanding a tubular member |
| 12/28/2006 | US20060289172 Depth control in coiled tubing operations |
| 12/28/2006 | US20060289169 Method and apparatus for installing casing in a borehole |
| 12/27/2006 | EP1554460B1 Multi-cycle downhole apparatus |
| 12/27/2006 | EP1210502B1 Apparatus for and method of anchoring a first conduit to a second conduit |
| 12/27/2006 | CN2851534Y Holding device for swabbing ground-sliding vehicle |
| 12/27/2006 | CN2851533Y Blowout-prevention tubing anchor |
| 12/27/2006 | CN1292145C Drill rod clamp system and method for reducing cold-welding effect between their components |
| 12/26/2006 | US7154411 Reservoir management system and method |
| 12/26/2006 | US7152698 Downhole motor locking assembly and method |
| 12/26/2006 | US7152687 Expandable tubular with port valve |
| 12/26/2006 | US7152686 Downhole weight bearing apparatus and method |
| 12/26/2006 | US7152685 Method and apparatus for deploying a line in coiled tubing |
| 12/26/2006 | US7152680 Slickline power control interface |
| 12/26/2006 | US7152679 Downhole tool for deforming an object |