| 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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| 11/07/2000 | US6142226 Hydraulic setting tool |
| 11/07/2000 | US6142225 Selective mono bore diverter system |
| 11/07/2000 | CA2018493C Apparatus for extracting a liquid from a long tube |
| 11/02/2000 | EP1048820A2 Method for exploiting geothermal energy and heat exchanger apparatus therefor |
| 11/01/2000 | CN2403888Y Positioner on oilwell operating pipe column |
| 10/31/2000 | US6139644 Method and equipment for launching pigs into undersea pipes |
| 10/31/2000 | US6138764 System and method for deploying a wireline retrievable tool in a deviated well |
| 10/26/2000 | WO2000063528A1 Dual diverter and orientation device for multilateral completions and method |
| 10/26/2000 | WO2000037767A3 Profile formation |
| 10/25/2000 | EP0670008A4 Method and apparatus for setting a whipstock |
| 10/25/2000 | CN1271056A Expandable sensor device and method |
| 10/24/2000 | US6135208 Expandable wellbore junction |
| 10/24/2000 | CA2180048C Keyless latch for orienting and anchoring downhole tools |
| 10/24/2000 | CA2014045C Method and device for wells and namely directional wells sismic prospecting |
| 10/19/2000 | WO2000061916A1 Three-dimensional steering tool for controlled downhole extended-reach directional drilling |
| 10/18/2000 | EP1045113A1 Deployable sensor apparatus and method |
| 10/17/2000 | US6131953 Coiled tubing drilling hydraulic disconnect |
| 10/17/2000 | US6131663 Method and apparatus for positioning and repositioning a plurality of service tools downhole without rotation |
| 10/12/2000 | WO2000060212A1 Pipe conveyed logging system and method |
| 10/12/2000 | WO2000048284B1 A distributed monitoring and protection system for a distributed power network |
| 10/10/2000 | US6129160 Torque compensation apparatus for bottomhole assembly |
| 10/04/2000 | EP1040250A1 System and method for positioning a tool in a wellbore |
| 10/03/2000 | US6125946 Perforating gun |
| 10/03/2000 | US6125939 Remotely deployable landing shoulder |
| 10/03/2000 | US6125937 Methods of completing a subterranean well and associated apparatus |
| 09/27/2000 | EP1038087A1 Assembly and process for drilling and completing multiple wells |
| 09/26/2000 | USRE36880 Spoolable flexible hydraulic controlled coiled tubing safety valve |
| 09/26/2000 | US6123148 Compact retrievable well packer |
| 09/21/2000 | WO2000055475A1 Hydraulic strain sensor |
| 09/21/2000 | WO2000055473A1 Core barrel |
| 09/19/2000 | US6119783 Linear indexing apparatus and methods of using same |
| 09/19/2000 | US6119782 Method and apparatus for anchoring a tool within a cased borehole |
| 09/19/2000 | US6119774 Caged slip system |
| 09/14/2000 | WO2000053887A2 Wellbore primary barrier and related systems |
| 09/14/2000 | WO2000053886A1 Fluid controlled adjustable down-hole tool |
| 09/12/2000 | US6116578 Method for inserting a cable in a duct |
| 09/12/2000 | US6116343 One-trip well perforation/proppant fracturing apparatus and methods |
| 09/12/2000 | US6116339 Running and setting tool for packers |
| 09/12/2000 | US6116336 Wellbore mill system |
| 09/12/2000 | US6116118 Gripping apparatus for power tongs and backup tools |
| 09/08/2000 | WO1999057410A9 Method of and device for production of hydrocarbons |
| 09/06/2000 | EP1033470A2 Downhole hydraulic path selection |
| 09/06/2000 | EP1032748A1 Flexible sinker bar assemblies |
| 09/06/2000 | EP1032489A1 Method and apparatus for manufacturing an expandable slotted tube |
| 09/06/2000 | EP0895561B1 Method and apparatus for remote control of multilateral wells |
| 09/05/2000 | US6113061 Method and apparatus for replacing a packer element |
| 09/05/2000 | US6112812 Wellbore milling method |
| 09/05/2000 | US6112809 Downhole tools with a mobility device |
| 09/02/2000 | CA2299753A1 Downhole hydraulic path selection |
| 08/30/2000 | CN2393996Y Anchor for rod sucker pump seat |
| 08/30/2000 | CN2393995Y Anti-loosing fastener for sucker rod |
| 08/29/2000 | US6109357 Control line actuation of multiple downhole components |
| 08/29/2000 | US6109354 Circulating valve responsive to fluid flow rate therethrough and associated methods of servicing a well |
| 08/29/2000 | CA2012772C Method and device for production logging in flowing well |
| 08/24/2000 | WO2000049273A1 Method of installing a sensor in a well |
| 08/23/2000 | EP1030030A2 Downhole pulling tool |
| 08/23/2000 | EP1029147A1 Reciprocating running tool |
| 08/22/2000 | US6105692 Swivel chamber for water actuated wireline drills |
| 08/17/2000 | WO2000048284A1 A distributed monitoring and protection system for a distributed power network |
| 08/17/2000 | WO2000047863A1 Method of making a conductive downhole wire line system |
| 08/17/2000 | WO2000034621A3 High load, thin slip system |
| 08/16/2000 | EP1027526A1 Expandable downhole tubing |
| 08/16/2000 | EP1027525A1 An apparatus for the removal of sand in an underwater well and use of a jet pump (ejector) in connection with such sand removal |
| 08/15/2000 | US6102119 Method for installing tubular members axially into an over-pressured region of the earth |
| 08/15/2000 | US6102060 Detachable locking device for a control valve and method |
| 08/15/2000 | CA2229882C Male pin connector |
| 08/15/2000 | CA2229004C Female wet connector |
| 08/10/2000 | WO2000046485A2 Apparatus and method for enhancing remote sensor performance |
| 08/10/2000 | WO2000046481A2 Downhole tractor |
| 08/09/2000 | EP1015184A4 Granular particle gripping surface |
| 08/09/2000 | EP0988439A4 Casing annulus remediation system |
| 08/08/2000 | US6098716 Releasable connector assembly for a perforating gun and method |
| 08/08/2000 | US6098714 Hydraulic fluid actuator with metal to metal seals |
| 08/01/2000 | US6095249 Down hole bypass valve |
| 07/29/2000 | CA2296873A1 Downhole pulling tool |
| 07/26/2000 | CN2389232Y Joint attached to drill |
| 07/25/2000 | US6092593 Apparatus and methods for deploying tools in multilateral wells |
| 07/19/2000 | EP1019614A1 Casing filling and circulating apparatus |
| 07/18/2000 | US6089832 Through-tubing, retrievable downhole pump system |
| 07/18/2000 | US6089323 Tractor system |
| 07/18/2000 | US6089319 Whipstock |
| 07/12/2000 | EP0842348B1 Inflatable tubular sleeve for tubing or obturating a well or a pipe |
| 07/11/2000 | US6085843 Mechanical shut-off valve |
| 07/11/2000 | US6085838 Method and apparatus for cementing a well |
| 07/11/2000 | CA2147900C Method for inserting a wireline inside a coiled tubing |
| 07/05/2000 | EP1015729A1 Connection of tubulars using a top drive |
| 07/05/2000 | EP1015728A1 Bottomhole assembly orienting sub |
| 07/05/2000 | EP1015184A1 Granular particle gripping surface |
| 07/04/2000 | US6082461 Bore tractor system |
| 07/04/2000 | US6082459 Drill string diverter apparatus and method |
| 07/04/2000 | US6082454 Spooled coiled tubing strings for use in wellbores |
| 07/04/2000 | US6082453 Orientation device, particularly for drilling tool or a well equipment |
| 06/29/2000 | WO2000037772A1 Tubing anchor |
| 06/29/2000 | WO2000037771A1 Drilling method |
| 06/29/2000 | WO2000037769A1 Device by tools for setting of a production packer |
| 06/29/2000 | WO2000037768A1 Method and apparatus for expanding a liner patch |
| 06/29/2000 | WO2000037767A2 Profile formation |
| 06/29/2000 | WO2000037766A2 Procedures and equipment for profiling and jointing of pipes |
| 06/29/2000 | CA2686423A1 Method and apparatus for drilling and lining a wellbore |
| 06/29/2000 | CA2646563A1 Tubing anchor |