| 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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| 07/25/2006 | CA2403293C Apparatus to actuate downhole tool |
| 07/25/2006 | CA2230985C A cutting insert for use in a wellbore milling tool |
| 07/20/2006 | US20060157254 Hydraulic control system |
| 07/20/2006 | US20060157252 Subsea riser disconnect and method |
| 07/20/2006 | US20060157251 Subsea compressor module and a method for controlling the pressure in such a subsea compressor module |
| 07/20/2006 | US20060157246 Window reaming and coring apparatus and method of use |
| 07/19/2006 | EP1540128A4 Interposed joint sealing layer method of forming a wellbore casing |
| 07/19/2006 | CN1806088A Lightweight and compact subsea intervention package and method |
| 07/19/2006 | CN1804365A Expansion pipe device for oilfield well completion |
| 07/18/2006 | US7077213 Expansion cone for radially expanding tubular members |
| 07/18/2006 | US7077211 Method of creating a casing in a borehole |
| 07/18/2006 | US7077206 Method and apparatus involving an integrated or otherwise combined exit guide and section mill for sidetracking or directional drilling from existing wellbores |
| 07/18/2006 | CA2433362C Methods and apparatus for severing nested strings of tubulars |
| 07/18/2006 | CA2365310C Wellbore primary barrier and related systems |
| 07/18/2006 | CA2303623C Method and apparatus for forming an optimized window |
| 07/18/2006 | CA2277202C Device for trenchless replacement of underground pipe |
| 07/13/2006 | WO2004089608A3 Apparatus for radially expanding and plastically deforming a tubular member |
| 07/13/2006 | US20060151179 Apparatus and method for transmitting a signal in a wellbore |
| 07/13/2006 | US20060151176 Two-part telescopic tensioner for risers at a floating installation for oil and gas production |
| 07/11/2006 | US7073599 Monobore wellbore and method for completing same |
| 07/11/2006 | US7073593 Method of drilling and operating a subsea well |
| 07/11/2006 | US7073583 Method and apparatus for expanding tubing downhole |
| 07/11/2006 | US7073579 Methods of downhole testing subterranean formations and associated apparatus therefor |
| 07/11/2006 | US7073448 Shaped charge tubing cutter |
| 07/11/2006 | CA2409053C Control line cutting tool and method |
| 07/06/2006 | WO2006070204A2 Improvements in or relating to a whipstock system |
| 07/06/2006 | WO2006053248A3 Method and apparatus for jet-fluid abrasive cutting |
| 07/06/2006 | US20060144621 Tool insert |
| 07/06/2006 | US20060144586 Shearing blind ram assembly with a fish pocket |
| 07/04/2006 | US7069999 Apparatus and method for routing a transmission line through a downhole tool |
| 07/04/2006 | US7069998 Fuel cell for downhole and subsea power systems |
| 07/04/2006 | US7069988 Flow completion system |
| 07/04/2006 | CA2452907C Expansion assembly for a tubular expander tool, and method of tubular expansion |
| 07/04/2006 | CA2428479C Apparatus and methods for separating and joining tubulars in a wellbore |
| 06/29/2006 | US20060137909 Portable electrocrushing drill |
| 06/29/2006 | US20060137877 Cutter for wellbore casing |
| 06/27/2006 | US7066284 Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowell |
| 06/27/2006 | US7066261 Perforating system and method |
| 06/27/2006 | US7066259 Bore isolation |
| 06/22/2006 | WO2005096792A8 Offshore nitrogen production and injection |
| 06/22/2006 | US20060131031 Wellbore tool with disintegratable components |
| 06/20/2006 | US7063158 Bottom tensioned offshore oil well production riser |
| 06/20/2006 | US7063155 Casing cutter |
| 06/20/2006 | US7063149 Tubing expansion with an apparatus that cycles between different diameter configurations |
| 06/20/2006 | US7063142 Method of applying an axial force to an expansion cone |
| 06/15/2006 | WO2006061410A1 Method for adapting a tubular element in a subsiding wellbore |
| 06/15/2006 | WO2006020827A3 Hydroforming method and apparatus |
| 06/15/2006 | US20060124318 Control Line Telemetry |
| 06/15/2006 | US20060124314 Assembly and a method for intervention of a subsea well |
| 06/15/2006 | US20060124313 Pipe separator for the separation of fluids, particularly oil, gas and water |
| 06/14/2006 | CN2787819Y Displacement corrector for oil well casing |
| 06/13/2006 | US7059881 Spoolable composite coiled tubing connector |
| 06/13/2006 | US7059416 Buoyancy can for offshore oil and gas riser |
| 06/13/2006 | US7059411 Process of using a propellant treatment and continuous foam removal of well debris and apparatus therefore |
| 06/08/2006 | US20060118336 Diverter tool |
| 06/08/2006 | US20060118303 Well perforating for increased production |
| 06/07/2006 | EP1232327B1 Sealing off openings through the wall of a well tubular |
| 06/06/2006 | US7055623 Method for the drilling of the initial phase of deep water oil wells with an underwater well head |
| 06/06/2006 | US7055608 Forming a wellbore casing while simultaneously drilling a wellbore |
| 06/06/2006 | CA2426339C Method for forming a window in a tubular and apparatus for use in said method |
| 06/06/2006 | CA2229090C A subterranean apparatus for deflecting a cutting tool |
| 06/01/2006 | WO2006056735A1 One trip milling system |
| 06/01/2006 | US20060113084 Pipe gripper and top drive systems |
| 06/01/2006 | US20060113081 Communication tool for accessing a non annular hydraulic chamber of a subsurface safety valve |
| 06/01/2006 | US20060113075 Pipe guide |
| 05/31/2006 | EP1368554B1 Expander for expanding a tubular element |
| 05/31/2006 | CN2784576Y Combined window opening tool |
| 05/31/2006 | CN2784569Y Window pre-killing completion device for branch well |
| 05/31/2006 | CN1780971A Method of creating a borehole in an earth formation |
| 05/30/2006 | US7051804 Subsea protective cap |
| 05/25/2006 | US20060108148 Debris reduction perforating apparatus |
| 05/25/2006 | US20060108125 Anchor and method of using same |
| 05/24/2006 | EP1659259A1 Apparatus and methods for separating and joining tubulars in a wellbore |
| 05/24/2006 | EP1370745B1 Methods and apparatus for severing nested strings of tubulars |
| 05/23/2006 | US7048067 Wellbore casing repair |
| 05/23/2006 | US7048062 Method of selecting tubular members |
| 05/23/2006 | US7048059 Annulus pressure control system for subsea wells |
| 05/23/2006 | US7048045 Gas lift apparatus for a well |
| 05/18/2006 | WO2006053248A2 Method and apparatus for jet-fluid abrasive cutting |
| 05/18/2006 | WO2006051324A1 Device for cutting a downhole object |
| 05/18/2006 | WO2006051317A1 Improved valve |
| 05/18/2006 | US20060102358 Fluid system component with sacrificial element |
| 05/18/2006 | US20060102356 Device and a method for well intervention |
| 05/18/2006 | US20060102341 Signalling method and apparatus |
| 05/18/2006 | CA2587483A1 Method and apparatus for jet-fluid abrasive cutting |
| 05/16/2006 | US7044230 Method for removing a tool from a well |
| 05/16/2006 | US7044228 Flowline jumper for subsea well |
| 05/16/2006 | US7044218 Apparatus for radially expanding tubular members |
| 05/16/2006 | CA2200938C Whipstock accelerator ramp |
| 05/16/2006 | CA2184943C Lateral seal and control system |
| 05/11/2006 | WO2005096792A3 Offshore nitrogen production and injection |
| 05/11/2006 | WO2005033907A3 Activity data capture system for a well service vehicle |
| 05/11/2006 | US20060099895 Composite tool insert |
| 05/10/2006 | EP1537289A4 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 |
| 05/09/2006 | US7040406 Subsea riser disconnect and method |
| 05/04/2006 | WO2006020206A3 Coiled tubing conveyed milling |
| 05/04/2006 | US20060090900 Fracturing/gravel packing tool with variable direction and exposure exit ports |
| 05/04/2006 | US20060090897 High chrome/nickel milling with PDC cutters |
| 05/03/2006 | EP1653041A2 Tubular cutting tool |
| 05/03/2006 | CN2777185Y Tool for expanding expandable sleeve |