| 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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| 03/30/2004 | US6712150 Partial coil-in-coil tubing |
| 03/30/2004 | US6712149 Apparatus and method for spacing out of offshore wells |
| 03/30/2004 | US6712146 Downhole assembly releasable connection |
| 03/30/2004 | US6712142 Apparatus and methods for expanding tubulars in a wellbore |
| 03/30/2004 | CA2229105C Tool deployment apparatus and method |
| 03/25/2004 | WO2004025074A1 Apparatus and method for installation of subsea well completion systems |
| 03/25/2004 | US20040055757 Locking apparatus with packoff capability |
| 03/25/2004 | US20040055755 Method of hydraulically actuating and mechanically activating a downhole mechanical apparatus |
| 03/25/2004 | US20040055753 Downhole ball dropping apparatus |
| 03/25/2004 | US20040055752 Surface controlled subsurface lateral branch safety valve |
| 03/25/2004 | US20040055749 Remote intervention logic valving method and apparatus |
| 03/25/2004 | US20040055746 Subterranean well completion incorporating downhole-parkable robot therein |
| 03/25/2004 | US20040055744 Method and apparatus to vibrate a downhole component |
| 03/25/2004 | US20040055421 Granular particle gripping surface |
| 03/24/2004 | CN2607438Y Double action type oil pipe anchor |
| 03/23/2004 | US6708785 Fluid controlled adjustable down-hole tool |
| 03/23/2004 | US6708783 Three-dimensional steering tool for controlled downhole extended-reach directional drilling |
| 03/18/2004 | WO2004023014A2 Threaded connection for expandable tubulars |
| 03/18/2004 | WO2004022981A1 Operating method for a well jet device in horizontal well testing and development and well jet device for carrying out said method |
| 03/18/2004 | WO2003102365B1 System for radially expanding a tubular member |
| 03/18/2004 | WO2002079605A9 Downhole axial force generating tool |
| 03/18/2004 | US20040050546 Sequential release packer J tools for single trip insertion and extraction |
| 03/17/2004 | EP1398457A2 Method and apparatus for remote control of multilateral wells |
| 03/16/2004 | CA2271459C Method for accelerating production |
| 03/16/2004 | CA2212923C Method for sealing the junctions in multilateral wells |
| 03/11/2004 | WO2004020790A2 Method and apparatus for logging a well using fiber optics |
| 03/11/2004 | WO2004020776A2 Well treatment apparatus and method |
| 03/11/2004 | WO2004020774A2 Methods and systems to activate downhole tools with light |
| 03/11/2004 | US20040047534 Downhole sensing with fiber in exterior annulus |
| 03/11/2004 | US20040045724 Hydraulic setting tool with pressure multiplier |
| 03/11/2004 | US20040045719 Puller-thruster downhole tool |
| 03/11/2004 | US20040045704 Disconnect devices |
| 03/11/2004 | US20040045474 Bi-directional traction apparatus |
| 03/10/2004 | EP0938622B1 Method for accelerating production - c-i-p ii |
| 03/10/2004 | CN2606175Y Eccentric torque anchor |
| 03/09/2004 | USRE38458 Vertical stab tendon bottom connector and method for securing and releasing the same |
| 03/09/2004 | US6702031 Anchoring device removal method and apparatus |
| 03/09/2004 | US6702030 Procedures and equipment for profiling and jointing of pipes |
| 03/09/2004 | US6702029 Tubing anchor |
| 03/09/2004 | US6702015 Method and apparatus for deploying power cable and capillary tube through a wellbore tool |
| 03/09/2004 | CA2301963C Method and apparatus for handling tubular goods |
| 03/04/2004 | WO2004018838A1 Gas lift mandrel |
| 03/04/2004 | WO2004018831A1 A spearhead assembly |
| 03/04/2004 | WO2004018824A2 Magnetic impulse applied sleeve method of forming a wellbore casing |
| 03/04/2004 | WO2004018823A2 Interposed joint sealing layer method of forming a wellbore casing |
| 03/04/2004 | US20040043501 Monitoring reservoir conditions, estimating and quantifying concentrations of oil and gas in earth formations and determining operating and physical conditions of down hole tools |
| 03/04/2004 | US20040040707 Well treatment apparatus and method |
| 03/04/2004 | CA2496425A1 A spearhead assembly |
| 03/03/2004 | EP1394354A2 Hydraulic well control system |
| 03/03/2004 | EP1392953A1 Line hanger, running tool and method |
| 03/02/2004 | US6698513 Apparatus for use in cementing an inner pipe within an outer pipe within a wellbore |
| 02/29/2004 | CA2636896A1 Optical fiber conveyance, telemetry, and/or actuation |
| 02/26/2004 | WO2004016902A1 High expansion anchor system |
| 02/26/2004 | WO2004016901A1 Well abandonment apparatus |
| 02/26/2004 | WO2004005968A3 Pulsed deployment of a cable through a conduit located in a well |
| 02/26/2004 | US20040035589 Packer releasing methods |
| 02/26/2004 | US20040035588 Expandable packer with anchoring feature |
| 02/26/2004 | US20040035575 Gas lift mandrel |
| 02/25/2004 | EP1226331B1 Drillable inflatable packer & methods of use |
| 02/25/2004 | EP1180194B1 Subsurface apparatus |
| 02/24/2004 | US6695062 Heater cable and method for manufacturing |
| 02/24/2004 | US6695061 Downhole tool actuating apparatus and method that utilizes a gas absorptive material |
| 02/24/2004 | US6695060 Downhole pumping system |
| 02/24/2004 | CA2268104C Method of obtaining improved geophysical information about earth formations |
| 02/24/2004 | CA2223517C Mill guide and anchor assembly for subterranean well casings |
| 02/19/2004 | US20040031609 Method and system for accessing subterranean deposits from the surface |
| 02/19/2004 | US20040031606 High expansion anchor system |
| 02/19/2004 | US20040031585 Earth loop energy systems |
| 02/17/2004 | US6693553 Reservoir management system and method |
| 02/17/2004 | US6691779 Wellbore antennae system and method |
| 02/17/2004 | US6691777 Self-lubricating swage |
| 02/17/2004 | CA2234495C Adjustable gauge downhole drilling assembly |
| 02/13/2004 | CA2437395A1 Apparatuses and methods for deploying logging tools and signalling in boreholes |
| 02/12/2004 | WO2004013457A2 Electric power control for sickline operations in wellbores |
| 02/12/2004 | US20040026126 Method for drilling with casing |
| 02/12/2004 | US20040026090 Apparatus and methods for anchoring and orienting equipment in well casing |
| 02/12/2004 | US20040026086 Actuator module to operate a downhole tool |
| 02/12/2004 | US20040026085 Cyclic check valve for coiled tubing |
| 02/12/2004 | US20040026078 Remote operated tool string deployment apparatus |
| 02/12/2004 | US20040025655 Method and apparatus for manufacturing an expandable slotted tube |
| 02/12/2004 | CA2724787A1 Apparatus and methods for anchoring and orienting equipment in well casing |
| 02/10/2004 | US6688400 Downhole sealing |
| 02/10/2004 | US6688388 Method for accessing subterranean deposits from the surface |
| 02/10/2004 | CA2350504C Method and system for accessing subterranean deposits from the surface |
| 02/06/2004 | CA2436450A1 Remote operated tool string deployment apparatus |
| 02/05/2004 | WO2004011776A2 Method of forming a mono diameter wellbore casing |
| 02/05/2004 | WO2004011766A1 Drilling method |
| 02/05/2004 | US20040020709 Slickline power control interface |
| 02/05/2004 | US20040020660 Technique for deploying expandables |
| 02/05/2004 | US20040020648 Well reference apparatus and method |
| 02/05/2004 | US20040020636 Downhole valve |
| 02/03/2004 | US6684965 Method and apparatus for operations in underground subsea oil and gas wells |
| 02/03/2004 | US6684953 Wireless packer/anchor setting or activation |
| 02/03/2004 | CA2254390C Compact retrievable well packer |
| 02/03/2004 | CA2192347C Hydraulic disconnection device |
| 01/29/2004 | US20040016544 Downhole tubular patch, tubular expander and method |
| 01/29/2004 | US20040016542 Method and apparatus for conveying a tool in a borehole |
| 01/27/2004 | US6681860 Downhole tool with port isolation |
| 01/27/2004 | US6681853 Downhole anti-rotation tool |
| 01/22/2004 | WO2004007902A1 Indexing apparatus |