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) |
---|
06/10/2008 | CA2535882C Apparatus and methods for preventing or limiting rotation of cementing plugs |
06/10/2008 | CA2494290C Disposable downhole tool with segmented compression element and method |
06/04/2008 | CN201068777Y Thermal production well liner tube sealing device |
06/04/2008 | CN201068754Y Down-hole liner tube sealing device |
06/04/2008 | CN201068753Y Down-hole liner tube fixture unit |
06/04/2008 | CN201068752Y Composite driven stuck-freeing pipe column for drilling, abrasion, milling |
06/03/2008 | US7381905 Structure for fixing an electronic device to a substrate |
06/03/2008 | US7380607 Casing hanger with integral load ring |
06/03/2008 | US7380603 Well abandonment apparatus |
06/03/2008 | CA2519325C Methods and apparatus for expanding tubular strings and isolating subterranean zones |
06/03/2008 | CA2517208C Apparatus for radially expanding and plastically deforming a tubular member |
06/03/2008 | CA2358663C Electrically controlled release device |
05/29/2008 | WO2008064301A2 Internal pipe slot tool |
05/28/2008 | CN101187296A Protective sleeve for threaded connections for expandable liner hanger |
05/27/2008 | CA2509414C Method and apparatus for positioning a sleeve down hole in a hydrocarbon producing well and pipelines |
05/22/2008 | US20080115939 Radial Expansion of Tubular Members |
05/21/2008 | CN101182759A Selective localization overshoes |
05/20/2008 | US7373990 Method and apparatus for expanding and separating tubulars in a wellbore |
05/20/2008 | US7373987 Method and apparatus for preventing spillage or loss of drill fluids |
05/20/2008 | US7373986 Riser connector |
05/20/2008 | US7373985 Two-part telescopic tensioner for risers at a floating installation for oil and gas production |
05/20/2008 | US7373983 Downhole milling machine and method of use |
05/20/2008 | CA2461855C Vibration assisted tubing expansion |
05/15/2008 | WO2008057654A2 Cutter assembly |
05/15/2008 | US20080110612 Methods and apparatuses for electronic time delay and systems including same |
05/14/2008 | EP1045958B1 A drill pipe and method of forming and reconditioning a drill pipe |
05/14/2008 | CN201059173Y Slim-hole borehole wall enlarging and repairing appliance |
05/13/2008 | US7370708 Seal arrangement |
05/13/2008 | US7370704 Triaxial temperature limited heater |
05/13/2008 | US7370703 Downhole hydraulic pipe cutter |
05/13/2008 | US7370702 Single mill casing window cutting tool and method |
05/13/2008 | CA2526102C Lightweight and compact subsea intervention package and method |
05/08/2008 | US20080105439 Downhole swivel apparatus and method |
05/08/2008 | US20080105438 Degradable whipstock apparatus and method of use |
05/08/2008 | US20080105436 Cutter Assembly |
05/08/2008 | US20080105431 Method For Adapting A Tubular Element In A Subsiding Wellbore |
05/08/2008 | US20080105430 Method and Apparatus for Perforating a Casing and Producing Hydrocarbons |
05/07/2008 | CN101173602A Oil water well hydraulic expanding tube reshaping and renovation tools |
05/06/2008 | US7367404 Tubing seal |
05/06/2008 | US7367398 Device for heating and thermally insulating at least one undersea pipeline |
05/06/2008 | US7367396 Blowout preventers and methods of use |
05/06/2008 | US7367390 Slip energized by longitudinal shrinkage |
05/06/2008 | CA2450879C Apparatus for and method of radial expansion of a tubular member |
05/01/2008 | US20080100064 Protective Compression and Tension Sleeves for Threaded Connections for Radially Expandable Tubular Members |
05/01/2008 | US20080099208 Apparatus for performing well work on floating platform |
04/30/2008 | EP1639229B1 Apparatus and method for sealing a wellbore |
04/29/2008 | US7363982 Subsea well production flow system |
04/29/2008 | US7363968 Umbilical reel safety release |
04/29/2008 | CA2537502C Separable plug for use in a wellbore |
04/29/2008 | CA2498987C Drillable bridge plug |
04/29/2008 | CA2408898C Well reference apparatus and method |
04/24/2008 | US20080093082 Underwater seafloor drilling rig |
04/24/2008 | US20080093075 Expandable watermelon mill |
04/23/2008 | EP1914380A1 Expandable wellbore junction |
04/22/2008 | US7360601 Submersible well pump installation procedure |
04/22/2008 | CA2238334C Autonomous downhole oilfield tool |
04/20/2008 | CA2606907A1 Milling system and method of milling |
04/17/2008 | WO2008011199A3 Conductor casing installation by anchor handling/tug/supply vessel |
04/17/2008 | US20080087423 Method and Apparatus for a Monodiameter Wellbore, Monodiameter Casing, Monobore, and/or Monowell |
04/17/2008 | US20080087418 Pipeline |
04/16/2008 | EP1738058B1 Inhibiting effects of sloughing in wellbores |
04/16/2008 | EP1738054B1 Reducing viscosity of oil for production from a hydrocarbon containing formation |
04/16/2008 | EP1738052B1 Inhibiting reflux in a heated well of an in situ conversion system |
04/16/2008 | CN201047263Y Ball expansion awl |
04/15/2008 | US7357190 Radial expansion of tubular members |
04/15/2008 | US7357188 Mono-diameter wellbore casing |
04/15/2008 | US7357185 Subsea tubing hanger assembly for an oil or gas well |
04/15/2008 | US7357182 Method and apparatus for completing lateral channels from an existing oil or gas well |
04/15/2008 | US7357180 Inhibiting effects of sloughing in wellbores |
04/15/2008 | CA2455487C Gas lift apparatus for a well |
04/08/2008 | US7353889 Rotary driven pipe-bursting tool |
04/08/2008 | US7353879 Biodegradable downhole tools |
04/08/2008 | US7353872 Start-up of temperature limited heaters using direct current (DC) |
04/08/2008 | US7353871 Downhole automatic tool release and method of use |
04/08/2008 | US7353867 Whipstock assembly and method of manufacture |
04/08/2008 | CA2551067C Axial compression enhanced tubular expansion |
04/08/2008 | CA2443140C Internal pressure indicator and locking mechanism for a downhole tool |
04/03/2008 | US20080078555 Integral orientation system for horizontal tree tubing hanger |
04/01/2008 | US7350584 Formed tubulars |
04/01/2008 | US7350569 Separable plug for use in a wellbore |
04/01/2008 | US7350564 Mono-diameter wellbore casing |
04/01/2008 | CA2328199C Foldable tube |
04/01/2008 | CA2308944C Well reference apparatus and method |
03/27/2008 | US20080073076 Reduction of expansion force via resonant vibration of a swage |
03/26/2008 | EP1903178A2 Three dimensional steerable system |
03/26/2008 | CN101148974A Horizontal well sheath repairing tool |
03/26/2008 | CN101148973A Sleeving instrument anti-locking device |
03/25/2008 | CA2560501C Procedures and equipment for profiling and jointing of pipes |
03/20/2008 | WO2008033120A2 Method and apparatus for perforating and isolating perforations in a wellbore |
03/20/2008 | WO2008031832A1 Method of expanding a tubular element |
03/20/2008 | US20080066924 Retractable ball seat having a time delay material |
03/20/2008 | US20080066923 Dissolvable downhole trigger device |
03/20/2008 | CA2662100A1 Method of expanding a tubular element |
03/19/2008 | EP0927295B1 Wellbore milling system |
03/19/2008 | CN201037390Y Fast installed well head bolt nut |
03/19/2008 | CN201037385Y Bridge type leak-stopping pipe column |
03/19/2008 | CN101144376A Continuous expansion tube |
03/18/2008 | US7343977 Translating downhole tool |
03/18/2008 | CA2491963C Lining bore holes by using tubing expansion |
03/11/2008 | US7341117 Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowell |