| 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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| 10/06/2005 | US20050217856 System and method for monitoring and removing scale from a wellbore |
| 10/06/2005 | US20050217853 Pressure-actuated perforation with continuous removal of debris |
| 10/06/2005 | US20050217845 Tubing hanger running tool and subsea test tree control system |
| 10/06/2005 | CA2558424A1 Extracting and processing hydrocarbon-bearing formations |
| 10/05/2005 | EP1582274A2 Procedures and equipment for profiling and jointing of pipes |
| 10/05/2005 | CN1676865A Oil well casing reconditioning tool |
| 10/04/2005 | CA2356148C Profile formation on a tube |
| 09/29/2005 | US20050211441 Apparatus and methods for installing instrumentation line in a wellbore |
| 09/29/2005 | US20050211440 Offshore nitrogen production and injection |
| 09/29/2005 | US20050211429 Dual sensor freepoint tool |
| 09/28/2005 | EP1579103A1 Composite tool insert |
| 09/22/2005 | WO2005059296A3 Side entry sub hydraulic wireline cutter |
| 09/22/2005 | US20050205266 Biodegradable downhole tools |
| 09/22/2005 | US20050205265 One-time use composite tool formed of fibers and a biodegradable resin |
| 09/22/2005 | US20050205253 Apparatus for expanding a tubular member |
| 09/22/2005 | CA2537242A1 Expandable tubular |
| 09/20/2005 | CA2347895C Expandable patch for a wellbore tubular |
| 09/15/2005 | US20050199400 Apparatus and method for supporting structures on offshore platforms |
| 09/14/2005 | CN2725508Y Pnoumatic pushing device used for oil well casing pipe sealing |
| 09/13/2005 | US6943697 Reservoir management system and method |
| 09/13/2005 | CA2374986C Tubular cutting tool |
| 09/13/2005 | CA2199825C Apparatus for milling a well casing |
| 09/08/2005 | US20050193888 Efficient pump/motor with reduced energy loss |
| 09/07/2005 | EP1570152A1 Method for releasing cables from an attached well tool and apparatus for exercising the method |
| 09/01/2005 | WO2005080020A1 Method to provide slots in pipes |
| 09/01/2005 | US20050189141 Shaped charge tubing cutter |
| 09/01/2005 | US20050189103 Drillable bridge plug |
| 09/01/2005 | CA2555388A1 Method to provide slots in pipes |
| 08/30/2005 | US6935431 Well reference apparatus and method |
| 08/25/2005 | WO2005042905A3 A piggable flowline-riser system |
| 08/25/2005 | WO2005021921A3 A method of radially expanding and plastically deforming tubular members |
| 08/24/2005 | EP1565642A1 Tool insert |
| 08/24/2005 | CN2720099Y Self-hanging mending tool for oil-water well casing pipe |
| 08/24/2005 | CN2720098Y Pier beating device for repairing and finishing casing pipe |
| 08/24/2005 | CN2720097Y Composite bushing milling jacket for finishing casing pipe |
| 08/24/2005 | CN2720096Y Efficient bushing milling tool for packer |
| 08/18/2005 | US20050178561 Ribbed sealing element and method of use |
| 08/17/2005 | EP1395732B1 In-situ casting of well equipment |
| 08/17/2005 | CN2718213Y Casing reconditioning device |
| 08/17/2005 | CN2718212Y Eccentric pipe expander for oil well casing reconditioning |
| 08/17/2005 | CN2718211Y Reconditioning casing probe milling awl |
| 08/17/2005 | CN2718210Y Efficient grinding and milling tool |
| 08/16/2005 | US6929063 Cutting locator tool |
| 08/16/2005 | CA2487155C Hydraulic underreamer and sections for use therein |
| 08/16/2005 | CA2233853C Method and apparatus for locating indexing systems in a cased well and conducting multilateral branch operations |
| 08/11/2005 | US20050173128 Apparatus and Method for Routing a Transmission Line through a Downhole Tool |
| 08/11/2005 | US20050173123 Device for a hydraulic cutting tool |
| 08/11/2005 | US20050173115 Apparatus and method for repair of underground conduits |
| 08/09/2005 | US6926102 Subsea controlled milling |
| 08/09/2005 | US6926086 Method for removing a tool from a well |
| 08/09/2005 | US6926085 Safety system for underwater cutting |
| 08/09/2005 | US6925937 Thermal generator for downhole tools and methods of igniting and assembly |
| 08/04/2005 | WO2005071210A1 Single mill casing window cutting tool |
| 08/04/2005 | DE102004060353A1 Vorrichtung und Verfahren zum Abtrennen eines Rohrs unter Verwendung einer Sprengvorrichtung mit Mehrpunktzündung Device and method for separating a tube using an explosive device with multi-point ignition |
| 08/03/2005 | EP1559866A1 Methods of completing a subterranean well and associated apparatus |
| 08/02/2005 | US6923273 Well system |
| 08/02/2005 | US6923261 Apparatus and method for expanding a tubular |
| 07/28/2005 | US20050161228 Apparatus for radially expanding and plastically deforming a tubular member |
| 07/28/2005 | US20050161222 Apparatus and methods for forming a lateral wellbore |
| 07/28/2005 | US20050161213 Method of repair of collapsed or damaged tubulars downhole |
| 07/27/2005 | CN2713125Y Fishing and milling tool |
| 07/26/2005 | US6920923 Section mill for wells |
| 07/21/2005 | WO2005045184A9 Control system communication and lock open tool and method for locking open a safety valve and communicating with surface |
| 07/21/2005 | US20050155771 Apparatus and methods for expanding tubulars in a wellbore |
| 07/21/2005 | US20050155766 Flexible wellbore broach |
| 07/21/2005 | US20050155756 Gas Lift apparatus for a well |
| 07/20/2005 | CN2711377Y Subsidizing device for unlimited extending casing |
| 07/16/2005 | CA2492981A1 Monobore wellbore and method for completing same |
| 07/14/2005 | US20050150692 Directional cased hole side track method applying rotary closed loop system and casing mill |
| 07/14/2005 | US20050150656 Single mill casing window cutting tool |
| 07/13/2005 | EP1551744A2 Tubular slip device and method |
| 07/13/2005 | CN2709641Y Linear cutter in oil gas well |
| 07/13/2005 | CN2709640Y Well oil discharge hole drilling milling device |
| 07/12/2005 | US6915857 Non-seize material attachment for a drill slip system |
| 07/12/2005 | US6915853 Method and device for perforating a portion of casing in a reservoir |
| 07/07/2005 | WO2005061845A1 Window reaming and coring apparatus and method of use |
| 07/07/2005 | US20050145392 Wellbore liner system |
| 07/07/2005 | US20050145389 Casing cutter |
| 07/06/2005 | EP1550788A2 Three dimensional steerable system |
| 07/06/2005 | EP1549824A2 Mono diameter wellbore casing |
| 07/05/2005 | CA2266693C Wellbore milling system |
| 06/30/2005 | WO2005059296A2 Side entry sub hydraulic wireline cutter |
| 06/30/2005 | US20050139357 Downhole tool |
| 06/29/2005 | CN1632041A Anticorrosion preservative agent special for sleeve for oilfield well drilling and well cementing |
| 06/23/2005 | US20050133227 Side entry sub hydraulic wireline cutter |
| 06/23/2005 | US20050133224 Casing cutter |
| 06/16/2005 | WO2004076798B1 Apparatus for radially expanding and plastically deforming a tubular member |
| 06/16/2005 | WO2004035983B1 Open water running tool and lockdown sleeve assembly |
| 06/16/2005 | US20050127673 Tubing seal |
| 06/16/2005 | US20050126783 Apparatus and method for severing pipe utilizing a multi-point initiation explosive device |
| 06/15/2005 | EP1540128A2 Interposed joint sealing layer method of forming a wellbore casing |
| 06/15/2005 | CN1628207A Well system |
| 06/14/2005 | CA2216543C Milling tool, whipstock, milling system and method of forming a window in the wall of a tubular |
| 06/09/2005 | WO2005052304A1 Method for drilling and lining a wellbore |
| 06/09/2005 | US20050121232 Downhole filter |
| 06/08/2005 | EP1537289A2 New and improved method and apparatus involving an integrated or otherwise combined exit guide and section mill for sidetracking or directional drilling from existing wellbores |
| 06/08/2005 | CN2703865Y Flexible sunk-matter aalvage grinding-milling tool |
| 06/07/2005 | US6902006 Lock open and control system access apparatus and method for a downhole safety valve |
| 06/07/2005 | US6902000 Apparatus and methods for expanding tubulars in a wellbore |
| 06/02/2005 | US20050115741 Well system |