| Patents for E21B 7 - Special methods or apparatus for drilling (22,064) |
|---|
| 10/24/2007 | CN101059061A Sliding push-the-bit type steering drilling tool |
| 10/24/2007 | CN100344834C Method for constructing hydraulic soil-extruded pile composite foundation |
| 10/23/2007 | US7284623 Method of drilling a bore hole |
| 10/23/2007 | US7284616 Selectively retrievable wear bushing for subsea or surface applications |
| 10/23/2007 | US7284615 Method and system for installing and maintaining a pipeline while minimizing associated ground disturbance |
| 10/23/2007 | US7284614 Wellbore system for simultaneous drilling and production |
| 10/23/2007 | CA2287843C Method and apparatus for lateral well drilling utilizing a rotating nozzle |
| 10/18/2007 | WO2007115397A1 Steering tool |
| 10/18/2007 | US20070242565 Downhole Pressure Pulse Activated by Jack Element |
| 10/18/2007 | US20070240907 Method and apparatus for operating an actuator |
| 10/18/2007 | US20070240903 Earth penetrating apparatus and method employing radar imaging and rate sensing |
| 10/18/2007 | US20070240891 Drilling machine |
| 10/18/2007 | DE202007010562U1 Bauarbeitsgerät Construction apparatus |
| 10/17/2007 | EP1845231A2 A thermic lance |
| 10/17/2007 | EP1472431B1 Method and system for building modular structures from which oil and gas wells are drilled |
| 10/17/2007 | CN200961445Y Oil-water well downhole oil layer drilling tool pipe string combination |
| 10/17/2007 | CN101057059A Method for installing horizon catheter used for aborsbing sea water |
| 10/17/2007 | CN100343471C Well reamer |
| 10/16/2007 | CA2446947C Orienting whipstock seat, and method for seating a whipstock |
| 10/11/2007 | US20070235227 Steering tool |
| 10/11/2007 | US20070235225 Electromagnetic wave resistivity tool having a tilted antenna for geosteering within a desired payzone |
| 10/11/2007 | US20070235223 Systems and methods for managing downhole pressure |
| 10/11/2007 | US20070235195 Subsea Flowline Jumper Containing ESP |
| 10/11/2007 | DE19906687B4 Doppelkopfbohrvorrichtung kurzer Bauart Doppelkopfbohrvorrichtung short length |
| 10/11/2007 | DE102007016821A1 Actuator, e.g. lifting pad, actuation, for use during e.g. earth drilling process, involves pressurizing actuator with medium, e.g. drilling fluid medium and washing medium, and adjusting actuator by potential energy of medium |
| 10/10/2007 | CN200958379Y Abyssal hard rock coring equipment |
| 10/10/2007 | CN200958378Y Prefabricated window well completion tool for branched well |
| 10/10/2007 | CN101052779A Device for a drilling tool |
| 10/10/2007 | CN101050689A Hydraulic deviation rectifying method and rectifying drill for near-horizontal hole drilling |
| 10/09/2007 | US7280432 Oscillating shear valve for mud pulse telemetry |
| 10/09/2007 | US7278498 Rotatable support for inclinable masts of drilling machines |
| 10/09/2007 | US7278497 Method for extracting coal bed methane with source fluid injection |
| 10/09/2007 | CA2334334C Directional drilling system and apparatus |
| 10/04/2007 | WO2007110502A1 Device for steering drilling tools |
| 10/04/2007 | WO2007024263A3 Portable electrocrushing drill |
| 10/04/2007 | US20070227778 Methods for the Installation of Earth Anchors |
| 10/04/2007 | US20070227775 Shape memory alloy actuated steerable drilling tool |
| 10/04/2007 | US20070227752 Telescopic Feed Beam for Rock Drill |
| 10/04/2007 | CA2647397A1 Device for steering drilling tools |
| 10/04/2007 | CA2647079A1 Method and system for forming a non-circular borehole |
| 10/03/2007 | CN200955361Y Frictior-reducing resistance-reducing drilling-well tool |
| 10/03/2007 | CN200955354Y Adjustable eccentric screw rod |
| 10/03/2007 | CN101048582A A drill rig and a method for controlling a fan therei |
| 10/03/2007 | CN101048569A 钻井单元 Drilling Unit |
| 10/03/2007 | CN101046143A Directional unit for roof bolt boring |
| 10/03/2007 | CN100340736C Boring device for borehole wall |
| 10/02/2007 | US7275605 Rotatable drill shoe |
| 10/02/2007 | CA2337543C Downhole drilling apparatus and method for use of same |
| 10/02/2007 | CA2280403C Set-up process of a development facility |
| 10/02/2007 | CA2210421C Deep drilling an/or well pump system using a hydrodynamic retarder to compensate for restoring torques released in the system |
| 09/27/2007 | WO2007108698A1 Tool handling device in a drilling rig situated on the seabed |
| 09/27/2007 | WO2007108697A1 Sealed pipe coupling unit for a drilling rig device situated on the seabed |
| 09/27/2007 | WO2007108696A1 Drilling rig situated on the seabed, including a separation device |
| 09/27/2007 | US20070221409 Rotary Valve for Steering a Drill String |
| 09/27/2007 | US20070221375 Control method for downhole steering tool |
| 09/27/2007 | DE102006013836A1 Creating final geological repository in base region of super-deep bore shaft by magnetically glided, directional melt drilling for disposing highly radioactive waste materials, comprises subcritically disposing the materials into the shaft |
| 09/27/2007 | DE102005011968B4 Vorrichtung zur Herstellung von Bohrungen im Erdreich An apparatus for the production of bores in the ground |
| 09/27/2007 | CA2644919A1 Separation device for material from a drilling rig situated on the seabed |
| 09/26/2007 | EP1837481A1 Drilling tool and drilling method |
| 09/26/2007 | EP1687505B1 Fluid jet drilling tool |
| 09/26/2007 | EP1567746B1 Apparatus and method for opening and closing lateral boreholes |
| 09/26/2007 | EP1276953B1 Expandable apparatus for drift and reaming a borehole |
| 09/26/2007 | CN200952351Y Gas drainage driller self-moving device |
| 09/26/2007 | CN101044293A Modular drill system requiring limited field assembly |
| 09/26/2007 | CN101042043A Method for implementing under balance drilling operation |
| 09/25/2007 | US7273113 Reversible penetrating machine with a differential air distributing mechanism |
| 09/25/2007 | CA2454494C Retrievable pre-milled window with deflector |
| 09/25/2007 | CA2394950C Three dimensional steerable system |
| 09/25/2007 | CA2291922C Rotary steerable well drilling system utilizing sliding sleeve |
| 09/25/2007 | CA2260523C Sealed lateral wellbore junction assembled downhole |
| 09/25/2007 | CA2229120C Methods of completing a subterranean well and associated apparatus |
| 09/20/2007 | WO2007105101A2 Mobile drilling rig with dual carriers |
| 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 | WO2006012731A3 Integrated magnetic ranging tool |
| 09/20/2007 | US20070215518 Systems and Methods for Remotely Determining and Changing Cutting Modes During Decoking |
| 09/20/2007 | US20070215371 Dampening Apparatus |
| 09/20/2007 | US20070215359 Mobile drilling rig with replaceable dolly |
| 09/20/2007 | US20070215342 Apparatus and method for powering downhole electrical devices |
| 09/19/2007 | EP1834062A2 Downhole tool |
| 09/19/2007 | EP1595094B1 Method for replacing pipes |
| 09/19/2007 | CN200949430Y Prize-installation vehicle mounted type hydraulic energy storage petroleum well-repairing machine |
| 09/19/2007 | CN200949423Y Hydraulic reduced drilling tool stabilizer |
| 09/19/2007 | CN200949422Y Rod-pit drilling rod |
| 09/19/2007 | CN101040098A Housing arrangement |
| 09/19/2007 | CN101037927A Rotary pushing type guiding drilling tool |
| 09/18/2007 | US7270198 Orienter for drilling tool assembly and method |
| 09/18/2007 | US7270197 Steerable soil displacement hammer |
| 09/18/2007 | US7270195 Plasma channel drilling process |
| 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 |
| 09/18/2007 | US7270182 Earth loop installed with sonic apparatus |
| 09/18/2007 | US7270017 Torque measuring device for rotating body |
| 09/18/2007 | CA2453648C Methods of drilling and completing well bores |
| 09/18/2007 | CA2331176C Method and apparatus for suction anchor and mooring deployment and connection |
| 09/13/2007 | WO2007104025A2 A failure protection apparatus for a pressure control assembly |
| 09/13/2007 | US20070209812 Method And System For Collaring |
| 09/13/2007 | US20070209444 Pipe Tension Measuring Device |
| 09/13/2007 | CA2643820A1 A failure protection apparatus for a pressure control assembly |
| 09/12/2007 | EP1831500A1 Method for casing drilling, drilling unit and adapter device |