| 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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| 03/22/2011 | CA2638790C Apparatus and method for utilising expandable sand screen in wellbores |
| 03/22/2011 | CA2508852C Drilling method |
| 03/22/2011 | CA2453063C Liner hanger |
| 03/17/2011 | WO2011032128A1 Wireless pipe recovery and perforating system |
| 03/17/2011 | WO2011031541A2 Method and apparatus for dropping a pump down plug or ball |
| 03/17/2011 | US20110061865 Directional setting tool and associated methods |
| 03/17/2011 | US20110061864 Wireless pipe recovery and perforating system |
| 03/17/2011 | US20110061861 Clustered wellhead trunkline protection and testing system with esp speed controller and emergency isolation valve |
| 03/17/2011 | CA2808780A1 Method and apparatus for dropping a pump down plug or ball |
| 03/17/2011 | CA2776145A1 Wireless pipe recovery and perforating system |
| 03/16/2011 | EP2295714A2 Subterranean well tool including a locking seal healing system |
| 03/16/2011 | EP2295713A1 Subterranean well tool including a locking seal healing system |
| 03/16/2011 | CN201763286U Device for changing valve under pressure with no releasing sub |
| 03/15/2011 | US7905295 Electrocoil tubing cable anchor method |
| 03/15/2011 | US7905294 Method of anchoring a progressing cavity pump |
| 03/15/2011 | CA2714801A1 Directional setting tool and associated methods |
| 03/15/2011 | CA2605883C Positioning and conveying well apparatus and method |
| 03/15/2011 | CA2522993C Well string assembly |
| 03/10/2011 | WO2011028812A2 Downhole telescoping tool with radially expandable members |
| 03/10/2011 | WO2011028404A2 Expandable gage ring |
| 03/10/2011 | WO2010072751A3 Expanding a tubular element in a wellbore |
| 03/10/2011 | WO2010066341A3 Apparatus and method for launching plugs in cementing operations |
| 03/10/2011 | WO2006113775A8 Compliant cladding seal/hanger |
| 03/10/2011 | US20110056705 Mouse hole support unit with rotatable or stationary operation |
| 03/10/2011 | US20110056703 Method of Drilling and Running Casing in Large Diameter Wellbore |
| 03/10/2011 | US20110056701 Fluid Connection To Drilling Riser |
| 03/10/2011 | US20110056678 Reduced Wear Position Indicating Subterranean Tool |
| 03/09/2011 | EP2291576A1 Tools and methods for hanging and/or expanding liner strings |
| 03/08/2011 | US7900708 Multiple-block downhole anchors and anchor assemblies |
| 03/08/2011 | US7900696 Downhole tool with exposable and openable flow-back vents |
| 03/03/2011 | WO2011023744A2 System and method for anchoring an expandable tubular to a borehole wall |
| 03/03/2011 | WO2011023743A2 System and method for anchoring an expandable tubular to a borehole wall |
| 03/03/2011 | WO2011023742A2 System and method for anchoring an expandable tubular to a borehole wall |
| 03/03/2011 | WO2010138413A3 Wellbore shut off valve with hydraulic actuator system |
| 03/03/2011 | WO2010135644A3 High expansion metal seal system |
| 03/03/2011 | WO2010135492A3 Swelling packer and method of construction |
| 03/03/2011 | WO2010127126A3 Flow-actuated actuator and method |
| 03/03/2011 | US20110048740 Securing a composite bridge plug |
| 03/03/2011 | US20110048738 System and method for direct drive pump |
| 03/03/2011 | US20110048734 Snubbing tubulars from a sagd well |
| 03/03/2011 | US20110048699 System and method for anchoring an expandable tubular to a borehole wall |
| 03/03/2011 | CA2770458A1 System and method for anchoring an expandable tubular to a borehole wall |
| 03/03/2011 | CA2770456A1 System and method for anchoring an expandable tubular to a borehole wall |
| 03/03/2011 | CA2770455A1 System and method for anchoring an expandable tubular to a borehole wall |
| 03/02/2011 | EP2290192A1 Apparatus and method for autofill equipment activation |
| 03/02/2011 | EP2288472A1 Abrasive cutting fluids |
| 03/02/2011 | EP2288471A1 Method of creating an underwater cutting zone, and related plugging devices and methods |
| 03/02/2011 | CN201753590U Hydraulic pulling type packing release tool |
| 03/01/2011 | US7896088 Wellsite systems utilizing deployable structure |
| 03/01/2011 | US7896087 Method of subsurface lubrication to facilitate well completion, re-completion and workover |
| 03/01/2011 | US7896081 Internal tieback for subsea well |
| 03/01/2011 | US7896067 Hydraulically operated protector for downhole devices |
| 03/01/2011 | US7895726 Tubing connector and method of sealing tubing sections |
| 02/28/2011 | CA2710329A1 Securing a composite bridge plug |
| 02/24/2011 | WO2011022580A2 Zero backlash downhole setting tool and method |
| 02/24/2011 | WO2011022574A2 Zero backlash downhole setting tool and method |
| 02/24/2011 | WO2011022284A2 Sliding sleeve locking mechanisms |
| 02/24/2011 | WO2011022184A1 Liner hanger running tool and method |
| 02/24/2011 | WO2010120469A4 Open hole frac system |
| 02/24/2011 | WO2010037993A3 Methods and equipment to improve reliability of pinpoint stimulation operations |
| 02/24/2011 | US20110042106 Centraliser |
| 02/24/2011 | US20110042105 Zero backlash downhole setting tool and method |
| 02/24/2011 | US20110042104 Zero backlash downhole setting tool and method |
| 02/24/2011 | US20110042103 Load distributing apparatus and method |
| 02/24/2011 | US20110042101 Latching mechanism for changing pump size |
| 02/24/2011 | US20110042096 Downhole Apparatus with a Swellable Mantle |
| 02/24/2011 | US20110042068 Internal retention mechanism |
| 02/24/2011 | DE202009011083U1 Schreiteinrichtung und Schildausbaugestell hiermit Border establishment and shield support frame hereby |
| 02/23/2011 | EP2286058A2 Swellable packer with variable quantity feed-throughs for lines |
| 02/23/2011 | CN101979830A Force monitoring tractor |
| 02/22/2011 | US7891433 Resettable antiextrusion backup system and method |
| 02/22/2011 | US7891428 Safety valve |
| 02/22/2011 | CA2513395C Improved downhole apparatus |
| 02/17/2011 | WO2011019958A2 System and method for a direct drive pump |
| 02/17/2011 | US20110036595 Direct Connecting Downhole Control System |
| 02/17/2011 | US20110036594 Liner Hanger Running Tool and Method |
| 02/17/2011 | CA2770853A1 System and method for a direct drive pump |
| 02/17/2011 | CA2769204A1 Repeatable, compression set downhole bypass valve |
| 02/16/2011 | EP2283204A1 Consumable downhole tool |
| 02/16/2011 | CN201747308U Water tap throwing and fishing device |
| 02/16/2011 | CN101158276B Anti-jack slips anchoring propulsion mechanism |
| 02/16/2011 | CN101158275B Friction device |
| 02/15/2011 | US7886835 High angle water flood kickover tool |
| 02/15/2011 | US7886834 Anchoring system for use in a wellbore |
| 02/15/2011 | US7886833 System and method for low-pressure well completion |
| 02/15/2011 | CA2606406C Slotted slip element for expandable packer |
| 02/15/2011 | CA2590901C Method and apparatus to hydraulically bypass a well tool |
| 02/15/2011 | CA2561675C Deploying an assembly into a well |
| 02/15/2011 | CA2559677C Modular well tool system |
| 02/15/2011 | CA2372355C Method and apparatus to vibrate a downhole component |
| 02/10/2011 | WO2011017411A2 Drill bit with an adjustable steering device |
| 02/10/2011 | US20110030975 Tubular system with selectively engagable sleeves and method |
| 02/10/2011 | US20110030974 Slip Hanger Assembly and Actuator |
| 02/10/2011 | US20110030973 Downhole Device |
| 02/10/2011 | US20110030972 Downhole Connector Maintenance Tool |
| 02/10/2011 | US20110030968 Tubular actuator, system and method |
| 02/09/2011 | EP2282002A2 Method and apparatus for stimulation of multiple formation intervals |
| 02/09/2011 | EP2281998A2 Methods and apparatus for subsea well intervention and subsea wellhead retrieval |
| 02/09/2011 | CN201738850U Special transporting device for sticking releasing and thread freeing by means of explosion in horizontal well |
| 02/09/2011 | CN201738849U Oil well casing lifting device |