| Patents for E21B 29 - Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground (5,744) |
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| 11/22/2007 | WO2006091640A3 Apparatus for monitoring pressure using capillary tubing |
| 11/22/2007 | CA2652265A1 A whipstock |
| 11/20/2007 | US7296629 Subsea completion system, and methods of using same |
| 11/20/2007 | US7296628 Downhole swivel apparatus and method |
| 11/20/2007 | CA2473216C Expansion apparatus with selectively deployed expansion members |
| 11/15/2007 | WO2005017302A3 Changing the temperature of offshore produced water |
| 11/15/2007 | WO2002079604A3 Expandable downhole tool |
| 11/15/2007 | US20070261861 Downhole electrical-to-hydraulic conversion module for well completions |
| 11/15/2007 | US20070261851 Window casing |
| 11/14/2007 | EP1640560A4 Device for arranging a shut-off valve in a well |
| 11/07/2007 | EP1618279B1 Method of creating a borehole in an earth formation |
| 11/06/2007 | US7290616 Liner hanger |
| 11/06/2007 | US7290609 Subterranean well secondary plugging tool for repair of a first plug |
| 11/06/2007 | CA2471053C Borehole tubing expansion using two expansion devices |
| 11/06/2007 | CA2471051C Borehole tubing expansion |
| 11/06/2007 | CA2418530C Method and system for performing an operation in a well |
| 11/01/2007 | WO2007101444A3 System for injecting a substance into the space surrounding a well tubular |
| 11/01/2007 | US20070251698 Temporary well zone isolation |
| 10/31/2007 | CN101065554A One trip milling system |
| 10/25/2007 | US20070246934 Protective compression and tension sleeves for threaded connections for radially expandable tubular members |
| 10/25/2007 | US20070246224 Offset valve system for downhole drillable equipment |
| 10/24/2007 | CN200964812Y Hydraulic expand tube type casing pipe patching tool |
| 10/24/2007 | CN101059068A Self-adapting bulging head expanding tube reinforcement device |
| 10/16/2007 | US7281585 Offshore coiled tubing heave compensation control system |
| 10/09/2007 | US7278482 Anchor and method of using same |
| 10/04/2007 | WO2007024263A3 Portable electrocrushing drill |
| 10/04/2007 | US20070227738 Communication tool for accessing a non annular hydraulic chamber of a subsurface safety valve |
| 10/02/2007 | US7275602 Methods for expanding tubular strings and isolating subterranean zones |
| 10/02/2007 | US7275601 Radial expansion of tubular members |
| 10/02/2007 | CA2337543C Downhole drilling apparatus and method for use of same |
| 09/27/2007 | US20070221384 Frac system without intervention |
| 09/25/2007 | US7273105 Monitoring of a reservoir |
| 09/25/2007 | CA2474296C Retrievable bridge plug |
| 09/25/2007 | CA2454494C Retrievable pre-milled window with deflector |
| 09/25/2007 | CA2394950C Three dimensional steerable system |
| 09/25/2007 | CA2296978C Destruction process for rigid thermal insulation installed in a confined space |
| 09/25/2007 | CA2229120C Methods of completing a subterranean well and associated apparatus |
| 09/20/2007 | WO2007047800A3 Apparatus and method for managed pressure drilling |
| 09/20/2007 | WO2006053248A8 Method and apparatus for jet-fluid abrasive cutting |
| 09/20/2007 | US20070215342 Apparatus and method for powering downhole electrical devices |
| 09/19/2007 | CN200949435Y Salvaging cup type grind shoe |
| 09/18/2007 | US7270188 Radial expansion of tubular members |
| 09/18/2007 | US7270185 Drilling system and method for controlling equivalent circulating density during drilling of wellbores |
| 09/13/2007 | WO2007101444A2 System for injecting a substance into the space surrounding a well tubular |
| 09/12/2007 | EP1551744B1 Tubular slip device and method |
| 09/11/2007 | US7267178 Fluid system component with sacrificial element |
| 09/11/2007 | US7267175 Apparatus and methods for forming a lateral wellbore |
| 09/11/2007 | CA2419687C Method and system for avoiding damage to behind-casing structures |
| 09/05/2007 | EP1149312B1 High-power well logging method and apparatus |
| 09/05/2007 | CN200943459Y Device for repairing oil-gas drilling casing |
| 09/05/2007 | CN200943458Y Deep hole shaft explosion reshaping device |
| 09/05/2007 | CN200943457Y Self-adaptive hydraulic classification expanding tool for sand control screen |
| 09/04/2007 | US7264060 Side entry sub hydraulic wireline cutter and method |
| 09/04/2007 | CA2413531C Method and apparatus of protecting explosives |
| 09/04/2007 | CA2409062C Milling of casing using coiled tubing |
| 08/29/2007 | CN200940460Y Drilling pressure driven type sand-proof sieve tube expansion tool |
| 08/28/2007 | US7261164 Floatable drill cuttings bag and method and system for use in cuttings disposal |
| 08/28/2007 | US7261154 Conformable apparatus in a drill string |
| 08/28/2007 | CA2336326C Milling system for forming a window in the wall of a tubular |
| 08/22/2007 | EP1819897A1 Method for adapting a tubular element in a subsiding wellbore |
| 08/22/2007 | EP1592865B1 Method of forming a window in a casing |
| 08/21/2007 | US7258168 Liner hanger with slip joint sealing members and method of use |
| 08/21/2007 | CA2465993C Expandable hanger with compliant slip system |
| 08/21/2007 | CA2270986C Apparatus and method for expanding a liner patch |
| 08/17/2007 | CA2577742A1 Expansion system |
| 08/16/2007 | WO2007092004A1 Continuous communications conduit apparatus and method |
| 08/16/2007 | WO2007090338A1 A hydraulic diameter variable casing expansion method and apparatus |
| 08/16/2007 | US20070187146 Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowell |
| 08/16/2007 | US20070187086 Device for cutting slot-shaped seats in wells by hydro-sandblasting method |
| 08/16/2007 | US20070187085 One trip milling system |
| 08/16/2007 | CA2641710A1 Continuous communications conduit apparatus and method |
| 08/15/2007 | EP1817474A2 Method and apparatus for jet-fluid abrasive cutting |
| 08/14/2007 | US7255178 Drillable bridge plug |
| 08/14/2007 | US7255176 Method for reducing diameter reduction near ends of expanded tubulars |
| 08/14/2007 | US7255172 Hydrodynamic, down-hole anchor |
| 08/14/2007 | US7255171 Method and apparatus for manufacturing an expandable slotted tube |
| 08/14/2007 | CA2273568C A method of installing a casing in a well and apparatus therefor |
| 08/09/2007 | US20070181310 System, method, and apparatus for sleeved tensioner rod with annular adhesive retention |
| 08/09/2007 | US20070181305 Downhole milling machine and method of use |
| 08/09/2007 | US20070181296 Self-expandable Cylinder in a Downhole Tool |
| 08/08/2007 | EP1815102A1 One trip milling system |
| 08/08/2007 | CN2931763Y Casing windows sidetracking mill shoe |
| 08/07/2007 | US7252143 Method and apparatus for anchoring tool in borehole conduit |
| 08/07/2007 | CA2470592C Expanding downhole tubing by compression |
| 08/07/2007 | CA2365960C Method of selective plastic expansion of sections of a tubing |
| 08/02/2007 | US20070175634 Apparatus and method for repairing failure spots on subterranean well tubulars using shock waves |
| 08/01/2007 | EP1812680A1 Improved valve |
| 08/01/2007 | EP1812679A1 Device for cutting a downhole object |
| 08/01/2007 | CN2929156Y Oil-water well casing tandem connector |
| 08/01/2007 | CN1329621C Device for installation of a profile liner in a well |
| 08/01/2007 | CN1329620C Method for releasing cables from an attached well tool and apparatus for exercising the method |
| 07/31/2007 | US7249635 Communication tool for accessing a non annular hydraulic chamber of a subsurface safety valve |
| 07/31/2007 | US7249634 Apparatus for production in oil wells |
| 07/31/2007 | US7249631 Slip on screen with expanded base pipe |
| 07/31/2007 | US7249630 Well tool and method for heating and depositing first and second charges of selective temperature melting metal alloys for repairing failure spots along a section of a tubular conduit in a subterranean well |
| 07/26/2007 | US20070169929 Apparatus and method for bonding a transmission line to a downhole tool |
| 07/25/2007 | EP1549824B1 Mono diameter wellbore casing |
| 07/25/2007 | EP1511912B1 Downhole tool deployment safety system and methods |
| 07/24/2007 | US7246667 Radial expansion of tubular members |
| 07/19/2007 | CA2637035A1 Apparatus and method for selective actuation of downhole tools |