E21B 23 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells

Patents for E21B 23 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells (12,712)
12/2006
12/26/2006	US7152674 Disconnect devices
12/24/2006	CA2550093A1 Method and apparatus for installing casing in a borehole
12/21/2006	WO2006135787A1 Casing and drill pipe filling and circulation apparatus
12/21/2006	WO2006069372A3 Method and apparatus to hydraulically bypass a well tool
12/21/2006	US20060283603 Expandable tubular
12/20/2006	CN2849132Y Double layer fixing tool
12/20/2006	CN2849131Y Oil draining type oil pipe anchoring device
12/19/2006	US7150329 Auto-extending/retracting electrically isolated conductors in a segmented drill string
12/19/2006	US7150327 Workover unit and method of utilizing same
12/19/2006	US7150318 Apparatus for actuating a well tool and method for use of same
12/19/2006	US7150317 Use of electromagnetic acoustic transducers in downhole cement evaluation
12/19/2006	CA2385543C Valve for use in wells
12/16/2006	CA2709859A1 Shunt tube connector lock
12/14/2006	WO2006133425A1 Embedded flex-lock slip liner hanger
12/14/2006	US20060278405 Method and apparatus for friction reduction in a downhole tool
12/14/2006	US20060278404 Embedded flex-lock slip liner hanger
12/13/2006	EP1731709A2 Method and system for performing operations and for improving production in wells
12/13/2006	EP1472433B1 Non-seize material attachment for a drill slip system
12/13/2006	CN2846716Y Leading orientation automatic butt jointing device
12/13/2006	CN2846715Y Screw joint for downhole tool external tube part of petroleum drill well
12/13/2006	CN2846714Y Large through caliber tail tube suspension device
12/13/2006	CN1878926A 径向扩张系统 Radial expansion of the system
12/13/2006	CN1289782C Releasable connector and application thereof
12/12/2006	US7147068 Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
12/12/2006	US7147060 Method, system and apparatus for orienting casing and liners
12/12/2006	US7147052 Hyraulically releasable inflation tool for permanent bridge plug
12/12/2006	US7146702 Method and apparatus for forming a mono-diameter wellbore casing
12/12/2006	CA2398715C Sequential hydraulic control system for use in subterranean well
12/12/2006	CA2356144C Method and apparatus for expanding an isolation tubing
12/12/2006	CA2334106C Method and system for measuring data in a fluid transportation conduit
12/09/2006	CA2547970A1 System and method for perforating and fracturing in a well
12/07/2006	WO2006128235A1 Spearhead assembly
12/07/2006	US20060273584 Device which is expandable to engage the interior of a tube
12/07/2006	US20060272828 Retrievable downhole tool and running tool
12/07/2006	US20060272827 One trip cemented expandable monobore liner system and method
12/07/2006	US20060272826 Apparatus and method for radially expanding a wellbore casing using and adaptive expansion system
12/07/2006	US20060272809 Wellbores utilizing fiber optic-based sensors and operating devices
12/07/2006	CA2627582A1 Spearhead assembly
12/06/2006	EP1373678B1 Downhole axial force generating tool
12/06/2006	CN2844404Y Anchoring oil releaser of oil pipe
12/05/2006	US7145471 Sequential hydraulic control system for use in a subterranean well
12/05/2006	US7143843 Traction control for downhole tractor
12/05/2006	US7143830 Apparatus and method for installation of subsea well completion systems
11/2006
11/30/2006	WO2006127981A2 Expandable liner hanger system and method
11/30/2006	US20060266527 Apparatus for radially expanding and plastically deforming a tubular member
11/30/2006	US20060266516 Centralizer for expandable tubulars
11/30/2006	US20060266514 Expandable tool with enhanced expansion capability
11/30/2006	US20060266512 Pump plug
11/29/2006	EP1370891B1 Sonde
11/29/2006	CN2841944Y Separated layer water injection well expanding packer setting head
11/29/2006	CN2841943Y Underground hydraulic tool anti-halfway-operating device
11/28/2006	US7140430 Expander for expanding a tubular element
11/28/2006	US7140428 Expander for expanding a tubular element
11/28/2006	CA2321434C Liner hanger
11/28/2006	CA2196831C Improved backup tool
11/27/2006	CA2547868A1 System and method for fluid control in expandable tubing
11/24/2006	CA2553460A1 Method and apparatus for restraining tubular members during well servicing
11/23/2006	WO2006124024A1 Single line control module for well tool actuation
11/23/2006	WO2006123109A1 Device and method for retrieving debris from a well
11/23/2006	US20060260819 Run-in and retrieval device for a downhole tool
11/23/2006	US20060260802 Expansion device for expanding a pipe
11/23/2006	US20060260801 Wired Tool String Component
11/23/2006	CA2608292A1 Device and method for retrieving debris from a well
11/22/2006	EP1724434A1 Universal tubing hanger suspension assembly and well completion system and method of using same
11/22/2006	EP1570150B1 One-step directional coring or drilling system
11/22/2006	CN1285826C Branch well reentering tool
11/21/2006	US7137454 Apparatus for facilitating the connection of tubulars using a top drive
11/21/2006	CA2285476C Using equipment in a well system
11/16/2006	WO2006122071A2 Downhole tool
11/16/2006	US20060254780 Variable Size Coil Tubing Gripping Elements
11/14/2006	US7134506 Deformable member
11/14/2006	US7134504 Expandable packer with anchoring feature
11/14/2006	US7134488 Isolation assembly for coiled tubing
11/14/2006	CA2442981C Mechanically opened ball seat and expandable ball seat
11/14/2006	CA2307227C Method and apparatus for the removal of sand in an underwater well
11/09/2006	WO2006119129A2 High pressure expandable packer
11/09/2006	WO2006119037A2 Expandable packer with mounted exterior slips and seal
11/09/2006	WO2006020810B1 Radial expansion system
11/09/2006	WO2006020734A3 Low carbon steel expandable tubular
11/09/2006	WO2005021920B1 Downhole tubular splitter assembly and method
11/09/2006	US20060249290 Electrically operated actuation tool for subsea completion system components
11/09/2006	US20060248985 Granular particle gripping surface
11/08/2006	EP1287230B1 Method and system for performing operations and for improving production in wells
11/08/2006	CN2835533Y Filling pile positioning tool for external casing packer
11/08/2006	CN2835532Y Whipstock anchoring device
11/08/2006	CN2835531Y Multifunctional tubing anchor
11/08/2006	CN2835530Y Simple micro-shoulder hanger
11/08/2006	CN2835529Y Blanking plug feeding device
11/08/2006	CN1860284A Expandable wellbore assembly
11/07/2006	CA2379451C Method and system for performing operations and for improving production in wells
11/03/2006	CA2545565A1 Device which is expandable to engage the interior of a tube
11/02/2006	WO2006115418A1 Pulling tool for use in oil and gas wells
11/02/2006	US20060243455 Downhole tool
11/02/2006	US20060243452 System for lining a section of a wellbore
11/02/2006	US20060243450 Method of deploying and powering an electrically driven in a well
11/02/2006	US20060243444 apparatus for radially expanding and plastically deforming a tubular member
10/2006
10/31/2006	US7128162 Method and apparatus for positioning a sleeve down hole in a hydrocarbon producing well and pipelines
10/31/2006	US7128147 Modular liner hanger
10/31/2006	US7128146 Compliant swage
10/31/2006	US7128145 High expansion sealing device with leak path closures

1 ... 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 ... 128