Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells › 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)
08/2003
08/07/2003WO2003064814A1 Expansion apparatus for use in a wellbore
08/06/2003CN2564735Y Conic screw clamp
08/05/2003US6601652 Puller-thruster downhole tool
07/2003
07/31/2003WO2003062598A1 System and method for autonomously performing a downhole well operation
07/31/2003US20030141079 Expandable packer with anchoring feature
07/31/2003US20030141078 System and method for autonomously performing a downhole well operation
07/31/2003US20030141076 Tie back for use with expandable tubulars
07/31/2003US20030141059 One trip expansion apparatus for use in a wellbore
07/30/2003EP1029147B1 Reciprocating running tool
07/30/2003EP0910725B1 Wellbores utilizing fiber optic-based sensors and operating devices
07/30/2003CN2563290Y Blanking plug injector
07/29/2003US6598687 Three dimensional steerable system
07/29/2003US6598678 Apparatus and methods for separating and joining tubulars in a wellbore
07/24/2003US20030136561 Straddle
07/23/2003EP1019614A4 Casing filling and circulating apparatus
07/23/2003EP0862679B1 Downhole equipment
07/23/2003EP0848783B1 Tubing anchor and force generator combined with such anchor
07/23/2003CN2561912Y 井下油管锚定器 Downhole tubing anchors
07/22/2003US6595297 Method and apparatus for inserting a tubing hanger into a live well
07/22/2003US6595296 Hydraulic control assembly
07/22/2003US6595281 Apparatus for delivering a flowable substance to a remote location
07/17/2003WO2003058022A2 Seal receptacle using expandable liner hanger
07/17/2003US20030132032 Method and apparatus for drilling and lining a wellbore
07/17/2003US20030131990 Wellbores utilizing fiber optic-based sensors and operating devices
07/17/2003CA2471875A1 Seal receptacle using expandable liner hanger
07/16/2003EP0960262B1 Device by a retrievable bridge plug
07/15/2003US6591914 Hydraulic control system for downhole tools
07/15/2003US6591912 Full bore automatic gun release module
07/10/2003WO2003056128A1 Apparatus for translating a rotary expander tool downhole
07/08/2003US6588517 Boring apparatus
07/08/2003US6588266 Monitoring of downhole parameters and tools utilizing fiber optics
07/03/2003WO2003054349A1 Expandable packer with anchoring feature
07/03/2003US20030121703 Electrically sequenced tractor
07/03/2003US20030121655 Threaded apparatus for selectively translating rotary expander tool downhole
07/03/2003US20030121558 Tube anchored to structure; pulling expansion structure through tube; well bore casing; controlling fluid flow
07/01/2003US6585046 Live well heater cable
07/01/2003US6585036 Energy systems
06/2003
06/26/2003US20030116356 Gripper assembly for downhole tools
06/26/2003US20030116328 Expandable packer with anchoring feature
06/24/2003US6581686 Method of and device for tracing hydraulic fractures, stimulations, cement jobs, etc. in oil and gas wells
06/19/2003WO2003004828A8 Multi-cycle downhole apparatus
06/19/2003US20030111270 Drill bit stabilizer
06/19/2003US20030111236 Open hole straddle tool
06/19/2003US20030111235 Indexing tool for coiled tubing
06/18/2003CN1111927C Plug-in and receptacle of electric connector
06/17/2003US6578638 Drillable inflatable packer & methods of use
06/17/2003US6578631 Well logging tool
06/17/2003US6578630 Apparatus and methods for expanding tubulars in a wellbore
06/17/2003CA2233295C Composite spoolable tube
06/12/2003WO2003048501A2 Downhole assembly releasable connection
06/12/2003US20030106698 Apparatus and methods for separating and joining tubulars in a wellbore
06/11/2003EP1173655A4 Ribbed sealing element and method of use
06/10/2003US6575238 Ball and plug dropping head
06/10/2003US6575237 Hydraulic well control system
06/10/2003US6575236 Device for manipulating a tool in a well tubular
06/05/2003WO2002095178A3 Apparatus for suspending a pipe within a well casing
06/05/2003US20030102133 Non-seize material attachment for a drill slip system
06/05/2003US20030102132 Downhole assembly releasable connection
06/05/2003US20030102127 Downhole tubular patch, tubular expander and method
06/04/2003EP1316673A2 Method and system for accessing subterranean deposits from the surface
06/04/2003EP1315881A1 Method and system for perforating
06/04/2003EP1192331B1 Method of deploying an electrically driven fluid transducer system in a well
06/04/2003EP0876546B1 Completions insertion and retrieval under pressure (cirp) apparatus including the snaplock connector
06/03/2003US6571879 Surface-actuated release tool for submersible pump assemblies
06/03/2003US6571870 Method and apparatus to vibrate a downhole component
06/03/2003US6571868 Well head lubricator assembly with polyurethane impact-absorbing spring
06/03/2003US6571672 Method and apparatus for manufacturing an expandable slotted tube
05/2003
05/30/2003WO2003044320A1 Method and device for transferring data between an object moving in a well tubular and a remote station
05/30/2003WO2003044315A1 Through tubing whipstock
05/29/2003US20030098162 Method of inserting a tubular member into a wellbore
05/29/2003US20030098154 Apparatus for radially expanding tubular members
05/28/2003EP1232325B1 Setting an annular seal
05/28/2003EP1071864B1 A system and method for locating a tool in a wellbore, a tubular and a device for the system
05/28/2003CN2553097Y Three-point planetary convex clamping device
05/28/2003CN2553096Y Oil pipe anchoring and oil drainage device
05/28/2003CN1420972A Expandable joint connector
05/27/2003US6568501 Receiver array using tubing conveyed packer elements
05/27/2003US6568485 Stalled motor by-pass valve
05/27/2003US6568481 Deep well instrumentation
05/27/2003US6568480 Orientation and locator system and method of use
05/27/2003US6568470 Downhole actuation system utilizing electroactive fluids
05/27/2003CA2233081C System for selective re-entry to completed laterals
05/27/2003CA2191148C Apparatus for measuring formation resistivity through a conductive casing having a coaxial tubing inserted therein
05/22/2003WO2003042487A2 Mono diameter wellbore casing
05/22/2003WO2003042486A2 Collapsible expansion cone
05/22/2003US20030094310 Three dimensional steerable system and method for steering bit to drill borehole
05/22/2003US20030094279 Method of selecting tubular members
05/22/2003US20030094278 Expansion cone for radially expanding tubular members
05/22/2003US20030094277 Expansion cone for radially expanding tubular members
05/22/2003CA2467381A1 Mono diameter wellbore casing
05/21/2003EP1312750A2 Method and apparatus for selective horizontal well re-entry using retrievable diverter oriented by logging means
05/21/2003EP0951623B1 Connector
05/20/2003US6567013 Digital hydraulic well control system
05/20/2003US6564885 Up-hole overshot and safety drilling apparatus
05/20/2003US6564871 High pressure permanent packer
05/15/2003WO2003040522A1 Gel release device
05/15/2003WO2003040516A1 Safety mechanism for weight-set downhole tool
05/15/2003US20030090390 Method and system for performing operations and for improving production in wells
05/14/2003EP1112438B1 $i(IN SITU) BOREHOLE SAMPLE ANALYZING PROBE AND VALVED CASING COUPLER THEREFOR
05/14/2003CN2550503Y Mechanical connection hoop
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