| Patents for E21B 7 - Special methods or apparatus for drilling (22,064) |
|---|
| 12/14/2005 | EP1604093A2 Method and apparatus for drilling a borehole with a borehole liner |
| 12/14/2005 | EP1216340B1 Method and device for construction of an underground pipe duct |
| 12/14/2005 | CN2746111Y Mixed type drilling machine for high low platform lifting and drag pod |
| 12/14/2005 | CN2746110Y Integrated device of blowout preventer moving and driller room lifting for petroleum drilling machine |
| 12/14/2005 | CN1707289A Adaptive borehole assembly visualization in a three-dimensional scene |
| 12/13/2005 | US6975244 Oscillating shear valve for mud pulse telemetry and associated methods of use |
| 12/13/2005 | US6975119 Boring tool tracking/guiding system and method with unconstrained target location geometry |
| 12/13/2005 | US6973979 Drilling rig apparatus and downhole tool assembly system and method |
| 12/13/2005 | CA2353228C Drilling apparatus with motor-driven pump steering control |
| 12/13/2005 | CA2285767C Indexing mechanism and apparatus incorporating the same |
| 12/08/2005 | WO2005116390A1 Telescopic feed beam for rock drill |
| 12/08/2005 | US20050273302 Dynamically balanced cutting tool system |
| 12/08/2005 | US20050272507 Drive line for down hole mud motor |
| 12/08/2005 | US20050269134 Underbalanced drilling method and apparatus |
| 12/08/2005 | US20050269132 Laser spectroscopy/chromatography drill bit and methods |
| 12/08/2005 | US20050269131 Rinsing liquid treatment device |
| 12/08/2005 | US20050269099 Methods of treating subterranean formations using low-molecular-weight fluids |
| 12/08/2005 | US20050269085 Method for sealing lost circulation zones |
| 12/08/2005 | US20050269082 Control method for downhole steering tool |
| 12/07/2005 | EP1601857A2 Determination of the orientation of a downhole device |
| 12/07/2005 | EP1601854A1 Telescopic feed beam for rock drill and method of measuring rock drill travel |
| 12/07/2005 | EP1478824A4 Well system |
| 12/07/2005 | EP1472431A4 Method and system for building modular structures from which oil and gas wells are drilled |
| 12/07/2005 | CN2744820Y Inclination guide device |
| 12/07/2005 | CN2744819Y Inclination guide and reversing device used in open hole of horizontal well |
| 12/07/2005 | CN1704557A Up-hole controllable guide tool |
| 12/06/2005 | US6971457 Moldable fabric |
| 12/06/2005 | CA2180990C Milling method for liners extending into deviated wellbores |
| 12/01/2005 | WO2005113928A2 System for directional boring including a drilling head with overrunning clutch and method of boring |
| 12/01/2005 | WO2005113927A1 Method and device for the drilling of partially overlapping bores |
| 12/01/2005 | US20050263616 Air nozzle of pneumatic tools |
| 12/01/2005 | US20050263318 Structure for fixing an electronic device to a substrate |
| 12/01/2005 | US20050263288 Tensioning system for production tubing in a riser at a floating installation for hydrocarbon production |
| 11/30/2005 | EP1600602A2 Hydraulic drilling apparatus and method |
| 11/30/2005 | EP1375820B1 Steel pipe for use as embedded expanded pipe, and method of embedding oil-well steel pipe |
| 11/30/2005 | CN2743525Y Walk underframe rotary dig drill machine |
| 11/29/2005 | US6968910 Ultrasonic/sonic mechanism of deep drilling (USMOD) |
| 11/29/2005 | US6968904 Method and apparatus for operations in underground/subsea oil and gas wells |
| 11/29/2005 | US6968903 Orientable whipstock tool and method |
| 11/29/2005 | US6968899 Drilling-workover vessel having a drill string extending through at least one swivel |
| 11/29/2005 | US6968896 Orienting whipstock seat, and method for seating a whipstock |
| 11/29/2005 | US6968735 Long range data transmitter for horizontal directional drilling |
| 11/29/2005 | CA2216518C Whipstock |
| 11/29/2005 | CA2194079C Methods and apparatus for directionally drilling a bore and placing pipe |
| 11/24/2005 | WO2005110020A2 Apparatus and method for modified horizontal directional drilling assembly |
| 11/24/2005 | US20050257962 Method and system for circulating fluid in a well system |
| 11/24/2005 | US20050257959 Microtunneling systems and methods of use |
| 11/24/2005 | US20050257930 Method of developing a re-entry into a parent wellbore from a lateral wellbore, and bottom hole assembly for milling |
| 11/24/2005 | US20050257675 Handheld tool for breaking up rock |
| 11/23/2005 | EP1402144B1 A wellbore directional steering tool |
| 11/23/2005 | EP1352131A4 Method and apparatus for vibratory kinetic energy generation and application thereof |
| 11/23/2005 | EP1181433B1 Drill, drilling method and extraction of hot water |
| 11/23/2005 | CN2742113Y Multifunction downhole whipstock |
| 11/23/2005 | CN1228534C Subsea well intervention vessel and drilling method |
| 11/22/2005 | US6966389 Combination staple gun and cap feeding device |
| 11/22/2005 | US6966374 In situ thermal recovery from a relatively permeable formation using gas to increase mobility |
| 11/17/2005 | WO2005108742A2 Method and apparatus for completing lateral channels from an existing oil or gas well |
| 11/17/2005 | WO2005108735A2 Systems and methods for remotely determining and changing cutting modes during decoking |
| 11/17/2005 | WO2005108734A1 Ultrashort radius drilling apparatus and method |
| 11/17/2005 | WO2005062764A3 Adjustable hole cleaning device |
| 11/17/2005 | WO2005049957A3 High temperature environment tool system and method |
| 11/17/2005 | US20050252711 System for imparting mechanical impulse energy to the ground |
| 11/17/2005 | US20050252689 Multi seam coal bed/methane dewatering and depressurizing production system |
| 11/17/2005 | US20050252688 Drilling method |
| 11/17/2005 | US20050252687 Method and device for directional down-hole drilling |
| 11/17/2005 | US20050252686 Electrically sequenced tractor |
| 11/17/2005 | US20050252685 Floatable drill cuttings bag and method and system for use in cuttings disposal |
| 11/17/2005 | US20050252662 Apparatus and method for expanding a tubular |
| 11/17/2005 | US20050252661 Casing degasser tool |
| 11/17/2005 | DE10261553B4 Verfahren und Vorrichtung zur Auswechslung erdverlegter Rohrleitungen (Stichwort: Tongeber) Method and apparatus for replacement of underground pipelines (keyword: Buzzer) |
| 11/17/2005 | DE102004020888A1 Pipe system with at least one permeable support pipe laid in the earth by a trench-free technique and filters, useful for cleaning, filtering, and hygiene applications and for rain water seepage control |
| 11/17/2005 | DE102004019426B3 Horizontal drilling system has drilling mast longitudinally movable/tilt-adjustable on crawler vehicle or base plate with parallel longitudinal supports, rigidly connecting cross-supports, carriage(s) movably mounted on supports |
| 11/17/2005 | DE10031663B4 Filterrohr für einen Einsatz in geschlossener Bauweise sowie dessen Verwendung zur Herstellung einer Filterstrecke mittels einer Vortriebsmaschine im Rohrvortrieb Filter pipe for use in closed construction and its use for the preparation of a filter section using a tunneling machine in pipe jacking |
| 11/16/2005 | EP1595094A1 Method for replacing pipes |
| 11/16/2005 | EP0852653B1 Method and apparatus for selective horizontal well re-entry using retrievable diverter oriented by logging means |
| 11/16/2005 | CN2740757Y Convenient standing petroleum drilling rig |
| 11/16/2005 | CN1227445C Directional drilling machine with continuous propelling water jet flow |
| 11/15/2005 | US6965866 Product warranty registration system and method |
| 11/15/2005 | US6964308 Method of drilling lateral wellbores from a slant well without utilizing a whipstock |
| 11/15/2005 | US6964303 Horizontal directional drilling in wells |
| 11/15/2005 | US6964300 In situ thermal recovery from a relatively permeable formation with backproduction through a heater wellbore |
| 11/15/2005 | US6964298 Method and system for accessing subterranean deposits from the surface |
| 11/15/2005 | CA2487158C Hydraulic underreamer and sections for use therein |
| 11/15/2005 | CA2408672C Wellbore liner system |
| 11/15/2005 | CA2325394C A system and method for locating a tool in a wellbore, a tubular and a device for the system |
| 11/15/2005 | CA2321650C A mill and a method for milling |
| 11/15/2005 | CA2318031C Apparatus and method for milling through a whipstock in a wellbore |
| 11/15/2005 | CA2305235C Apparatus for directional drilling |
| 11/14/2005 | CA2498602A1 System for imparting mechanical impulse energy to the ground |
| 11/13/2005 | CA2507105A1 Casing degasser tool |
| 11/12/2005 | CA2811046A1 Method and system for reservoir characterization in connection with drilling operations |
| 11/10/2005 | US20050249576 Method and apparatus for moving a mass |
| 11/10/2005 | US20050247489 Drilling apparatus |
| 11/10/2005 | US20050247485 Combined casing expansion/casing while drilling method and apparatus |
| 11/10/2005 | US20050247483 Remote control for a drilling machine |
| 11/10/2005 | US20050247461 Lead alignment attachment |
| 11/10/2005 | US20050247451 Method and apparatus for completing lateral channels from an existing oil or gas well |
| 11/09/2005 | EP1592865A1 Method of forming a window in a casing |
| 11/09/2005 | EP1592864A1 Valve and method for drilling with casing using pressurized drilling fluid |
| 11/09/2005 | EP1131535B1 Method and system for accessing subterranean deposits from the surface |