| 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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| 06/16/2011 | CA2725858A1 T-frac system run in system |
| 06/15/2011 | CN201865609U Sealed type tail pipe hanging device |
| 06/15/2011 | CN201865608U Novel V-R block delivery tool |
| 06/15/2011 | CN102094588A Downhole power-driven release |
| 06/15/2011 | CN102094587A Mechanical locking device for packer |
| 06/14/2011 | US7958941 Hydraulic running tool assembly and method of its use |
| 06/09/2011 | WO2011068842A2 Grip enhanced tractoring |
| 06/09/2011 | WO2011068690A2 Gas lift valve |
| 06/09/2011 | WO2011037995A3 Plug counter and method |
| 06/09/2011 | WO2011031541A3 Method and apparatus for dropping a pump down plug or ball |
| 06/09/2011 | WO2011028812A3 Downhole telescoping tool with radially expandable members |
| 06/09/2011 | WO2011022574A3 Zero backlash downhole setting tool and method |
| 06/09/2011 | WO2011022284A3 Sliding sleeve locking mechanisms |
| 06/09/2011 | US20110132624 Landing system for well casing |
| 06/09/2011 | US20110132623 Expandable Wellbore Liner System |
| 06/09/2011 | US20110132622 Apparatus and method for installing a liner string in a wellbore casing |
| 06/09/2011 | US20110132620 Dissolvable Tool and Method |
| 06/09/2011 | US20110132619 Dissolvable Tool and Method |
| 06/09/2011 | US20110132618 Multi-position tool actuation system |
| 06/09/2011 | CA2724375A1 Subterranean well ultra-short slip and packing element system |
| 06/08/2011 | EP2329109A2 Methods and equipment to improve reliability of pinpoint stimulation operations |
| 06/08/2011 | CN201857931U Tubing plug |
| 06/08/2011 | CN201857926U Sealing inserting tube for hydraulic release grip for oil and gas fields |
| 06/08/2011 | CN201857914U Barrel type jar for wireline operation |
| 06/08/2011 | CN1748073B Downhole tool |
| 06/07/2011 | US7954563 Roller link toggle gripper and downhole tractor |
| 06/07/2011 | CA2642724C Downhole assembly releasable connection |
| 06/03/2011 | WO2011064210A2 An apparatus and system and method of measuring data in a well extending below surface |
| 06/03/2011 | WO2011023744A3 System and method for anchoring an expandable tubular to a borehole wall |
| 06/03/2011 | WO2011023743A3 System and method for anchoring an expandable tubular to a borehole wall |
| 06/03/2011 | WO2011023742A3 System and method for anchoring an expandable tubular to a borehole wall |
| 06/02/2011 | US20110127046 Grip Enhanced Tractoring |
| 06/02/2011 | US20110127044 Remotely controlled apparatus for downhole applications and methods of operation |
| 06/02/2011 | US20110127030 Lockable anchor for insertable progressing cavity pump |
| 06/01/2011 | EP2326791A1 Subsea apparatus |
| 06/01/2011 | CN201851052U One-way slip hydraulic anchor |
| 06/01/2011 | CN201851051U Wearing-prevention bush taking-sending tool for underwater wellhead |
| 06/01/2011 | CN201851050U Conductor housing fetching and delivering tool for underwater wellheads |
| 06/01/2011 | CN1950585B Deploying an assembly into a well |
| 05/31/2011 | US7950467 Conveyor tube for use in installing or replacing a well tool in a producing well and procedures for use of the same |
| 05/31/2011 | CA2697139C Apparatus and method for inserting and retrieving a tool string through well surface equipment |
| 05/31/2011 | CA2441738C Method of hydraulically actuating and mechanically activating a downhole mechanical apparatus |
| 05/26/2011 | WO2011063170A2 Expansion system for expandable tubulars |
| 05/26/2011 | WO2011062784A2 Anchor/shifting tool with sequential shift then release functionality |
| 05/26/2011 | WO2011062669A2 Open-hole packer for alternate path gravel packing, and method for completing an open-hole wellbore |
| 05/26/2011 | WO2011062624A2 Landing system for well casing |
| 05/26/2011 | US20110120732 Device and method of lining a wellbore |
| 05/26/2011 | US20110120731 Tool Positioning and Latching System |
| 05/26/2011 | US20110120730 Tong positioning arm |
| 05/26/2011 | US20110120728 Subsurface safety valve and method of actuation |
| 05/25/2011 | EP2324190A1 Well completion system |
| 05/25/2011 | EP2324189A1 Sneak path eliminator for diode multiolexed control of downhole well tools |
| 05/25/2011 | EP2324187A2 A controller for a downhole tool |
| 05/25/2011 | CN201843550U Through tubing operation system for pulling electric pump by steel wire |
| 05/25/2011 | CN201843549U Adjusting and supporting device for pipe lines at well mouth |
| 05/25/2011 | CN201843548U Underground detaching device |
| 05/25/2011 | CN102071893A Underground self-expansion hanger |
| 05/25/2011 | CN102071892A Stabplate connections |
| 05/24/2011 | US7946350 System and method for deploying optical fiber |
| 05/24/2011 | US7946348 Rotation tool |
| 05/24/2011 | CA2697136C Apparatus and method for inserting and retrieving a tool string through well surface equipment |
| 05/24/2011 | CA2539212C Method and apparatus to complete a well having tubing inserted through a valve |
| 05/19/2011 | WO2011058015A1 Jacking units and bellows for down hole intervention tools |
| 05/19/2011 | WO2011020006A3 Repeatable, compression set downhole bypass valve |
| 05/19/2011 | WO2011017411A3 Drill bit with an adjustable steering device |
| 05/19/2011 | WO2011014565A3 Liner expansion system with a recoverable shoe assembly |
| 05/19/2011 | WO2010019378A3 Plug removal and setting system and method for subsea horizontal x-mas tree |
| 05/19/2011 | WO2009137537A3 Signal operated tools for milling, drilling, and/or fishing operations |
| 05/19/2011 | US20110114337 Non-rotation lock screw |
| 05/19/2011 | US20110114320 Stand-alone frac liner system |
| 05/19/2011 | CA2785706A1 Jacking units and bellows for down hole intervention tools |
| 05/19/2011 | CA2778124A1 Tubular actuator, system and method |
| 05/18/2011 | EP2322758A2 Debris barrier for downhole tools |
| 05/18/2011 | EP2322753A2 Expandable reamers for earth boring applications |
| 05/18/2011 | CN201835781U Logging cut-and-thread fishing cable dropping preventive device |
| 05/18/2011 | CN201835775U Automatic rope-arranging roller device |
| 05/17/2011 | US7942199 Method for installing wellbore string devices |
| 05/17/2011 | CA2646705C Frac system without intervention |
| 05/17/2011 | CA2582909C Constant force actuator |
| 05/12/2011 | WO2011056394A2 Systems and methods for initiating annular obstruction in a subsurface well |
| 05/12/2011 | WO2011056393A2 Systems and methods for initiating annular obstruction in a subsurface well |
| 05/12/2011 | WO2011056292A2 Actuation system for well tools |
| 05/12/2011 | WO2011028404A3 Expandable gage ring |
| 05/12/2011 | US20110108288 Apparatus and Method for Controlling the Connection and Disconnection Speed of Downhole Connectors |
| 05/12/2011 | US20110108287 Apparatus and Method for Controlling the Connection and Disconnection Speed of Downhole Connectors |
| 05/12/2011 | US20110108286 Apparatus and Method for Controlling the Connection and Disconnection Speed of Downhole Connectors |
| 05/12/2011 | US20110108285 Method and apparatus for a wellbore assembly |
| 05/12/2011 | US20110108272 Downhole progressive pressurization actuated tool and method of using the same |
| 05/12/2011 | CA2778610A1 Systems and methods for initiating annular obstruction in a subsurface well |
| 05/12/2011 | CA2778609A1 Systems and methods for initiating annular obstruction in a subsurface well |
| 05/12/2011 | CA2720443A1 Debris barrier for downhole tools |
| 05/11/2011 | EP2318645A1 A tool using outputs of sensors responsive to signaling |
| 05/11/2011 | CN201826789U Drill tool pneumatic chucking device of borehole mouse hole |
| 05/11/2011 | CN201826788U Bearing for rotating liner hanger |
| 05/10/2011 | CA2446868C Apparatus and method for drilling a wellbore with casing and cementing the casing in the wellbore |
| 05/10/2011 | CA2428715C Latch profile installation in existing casing |
| 05/06/2011 | CA2720076A1 Method and apparatus for a wellbore assembly |
| 05/05/2011 | WO2011051397A1 A device and a system and a method of moving in a tubular channel |
| 05/05/2011 | WO2011051321A1 Downhole apparatus |
| 05/05/2011 | WO2010092389A3 Downhole tool |