| Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800) |
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| 09/29/2005 | US20050211444 Deflection swivel and method |
| 09/29/2005 | US20050211443 Articulated drillstring entry apparatus and method |
| 09/29/2005 | US20050211441 Apparatus and methods for installing instrumentation line in a wellbore |
| 09/29/2005 | US20050211430 Multi-purpose coiled tubing handling system |
| 09/29/2005 | CA2558332A1 Multiple distributed force measurements |
| 09/29/2005 | CA2557200A1 System for sealing an annular space in a wellbore |
| 09/28/2005 | EP1580398A1 Apparatus and method for subsoil construction |
| 09/28/2005 | EP1261974B1 In-well monitoring and flow control system |
| 09/28/2005 | CN2729296Y Well cementation float hoop, shoe of controlling butterfly valve by pressure bar system |
| 09/28/2005 | CN2729295Y Short joint of centering guide of multifunction rotary sucker rod |
| 09/28/2005 | CN2729294Y Anti-skid centering guide |
| 09/28/2005 | CN2729293Y Drilling rod for extracting gas from soft coal seam |
| 09/28/2005 | CN1675447A High expansion anchor system |
| 09/28/2005 | CN1673485A Telescopic drilling rod |
| 09/27/2005 | US6950034 Method and apparatus for performing diagnostics on a downhole communication system |
| 09/27/2005 | US6948884 Vortex-induced vibration reduction device for fluid immersed cylinders |
| 09/27/2005 | US6948562 Production of a blending agent using an in situ thermal process in a relatively permeable formation |
| 09/27/2005 | CA2502165A1 Bottom hole assembly |
| 09/27/2005 | CA2201384C Apparatus for the remote measurement of physical parameters |
| 09/22/2005 | WO2005086736A2 Providing a local response to a local condition in an oil well |
| 09/22/2005 | WO2005086691A2 Multiple distributed sensors along a drillstring |
| 09/22/2005 | WO2005059296A3 Side entry sub hydraulic wireline cutter |
| 09/22/2005 | US20050206163 Connector for high-pressure riser |
| 09/22/2005 | US20050205304 Tool module connector for use in directional drilling |
| 09/22/2005 | US20050205260 Wellbore rig with heat transfer loop apparatus |
| 09/22/2005 | DE102004020065B3 Connecting system for pipes used in pipe screens for supporting roofs during tunneling comprises sleeve formed on one pipe end, end of other pipe plugging into this and sleeve being crimped into preformed peripheral grooves on it |
| 09/22/2005 | CA2789735A1 Providing a local response to a local condition in an oil well |
| 09/22/2005 | CA2789217A1 Drilling method |
| 09/22/2005 | CA2789215A1 Drilling with a muscular drill string |
| 09/22/2005 | CA2789181A1 System for controlling oil well drill dynamics |
| 09/22/2005 | CA2537242A1 Expandable tubular |
| 09/21/2005 | EP1576254A1 An assembly for protecting a flexible tube against wear by friction |
| 09/21/2005 | EP1109974B1 Well riser lateral restraint and installation system for offshore platform |
| 09/21/2005 | CN2727385Y Thermal cleaning oil well packer with three functions |
| 09/21/2005 | CN2727380Y Flexible PDC bit sub driven by spherical tooth and straight tooth |
| 09/21/2005 | CN1671944A Installation and use of removable heaters in a hydrocarbon containing formation |
| 09/21/2005 | CN1671943A Method for construction and completion of injection wells |
| 09/21/2005 | CN1219962C Method and device for measuring physical parameter in production shaft of deposit of underground fluid storage reservoir |
| 09/20/2005 | US6945802 Seal for coaxial cable in downhole tools |
| 09/20/2005 | US6945569 Enhanced durability hammer union |
| 09/20/2005 | US6945338 Drilling bit assembly and apparatus |
| 09/20/2005 | US6945325 Run and retrieval wear bushing and tool |
| 09/20/2005 | CA2347895C Expandable patch for a wellbore tubular |
| 09/20/2005 | CA2190383C System for thermally insulating tubing |
| 09/15/2005 | WO2005085588A1 Annular pressure relief collar |
| 09/15/2005 | WO2005085583A1 Quick-locking connector |
| 09/15/2005 | WO2005084376A2 Rotating systems associated with drill pipe |
| 09/15/2005 | WO2005045175A3 Downhole fiber optic wet connect and gravel pack completion |
| 09/15/2005 | WO2005035930A3 Threaded connections and methods for forming threaded connections |
| 09/15/2005 | WO2005009834A3 Tendon assembly for mooring offshore structure |
| 09/15/2005 | WO2004023014B1 Threaded connection for expandable tubulars |
| 09/15/2005 | US20050200498 Multiple distributed sensors along a drillstring |
| 09/15/2005 | US20050200127 Joining Tubular Members |
| 09/15/2005 | US20050199427 Drilling on gauge sub |
| 09/15/2005 | US20050199426 Rotatable drill shoe |
| 09/14/2005 | CN2725521Y Oil pumping rod anti eccentric wear release proof rotator |
| 09/14/2005 | CN2725507Y Mechanical tail pipe suspension apparatus |
| 09/14/2005 | CN2725503Y Under well oil pipe antiwear centralising device |
| 09/14/2005 | CN2725502Y Expanding drilling oil derrick sleeve centralising mechanical hand |
| 09/14/2005 | CN2725501Y Bishoulder drill rod adaptor |
| 09/14/2005 | CN1668940A Marking of pipe joints |
| 09/13/2005 | US6942254 Threaded connection engagement and disengagement system and method |
| 09/13/2005 | CA2360966C System with a compliant guide and method for inserting a coiled tubing into an oil well |
| 09/13/2005 | CA2355103C Hydraulic underreamer and sections for use therein |
| 09/13/2005 | CA2327920C Apparatus and method for simultaneous drilling and casing wellbores |
| 09/13/2005 | CA2249432C Method and apparatus using coiled-in-coiled tubing |
| 09/13/2005 | CA2243273C Friction welded product for rock drilling and method for manufacturing the product |
| 09/13/2005 | CA2161874C Drill bit and other downhole tools |
| 09/09/2005 | WO2005083226A1 Improved shoe |
| 09/09/2005 | CA2500029A1 Joining tubular members |
| 09/09/2005 | CA2461082A1 Drilling on gauge sub |
| 09/08/2005 | US20050196243 Riser apparatus assembly and method of installing same |
| 09/08/2005 | US20050196242 Compensating suspension element configuration |
| 09/08/2005 | US20050196231 Quick-locking connector |
| 09/08/2005 | US20050194782 Bend stiffener |
| 09/08/2005 | US20050194187 Rotating systems associated with drill pipe |
| 09/08/2005 | US20050194185 Multiple distributed force measurements |
| 09/08/2005 | US20050194184 Multiple distributed pressure measurements |
| 09/08/2005 | US20050194183 Providing a local response to a local condition in an oil well |
| 09/08/2005 | DE102004009416A1 Pipe connection with bushing and nipple, comprising cylindrical inner space and two sealing elements |
| 09/07/2005 | EP1570151A2 A cable duct device in a swelling packer |
| 09/07/2005 | EP1352150B1 Well screen cover |
| 09/07/2005 | CN2723674Y Anti-sand blocking sand pipe string for water injection well |
| 09/07/2005 | CN2723669Y Pull type well drilling rig |
| 09/07/2005 | CN2723668Y Rotary anti-off center weare pumping rod couling |
| 09/07/2005 | CN1666056A Reinforced tubular threaded joint for improved sealing after plastic expansion |
| 09/07/2005 | CN1666006A Methods and systems for heating a hydrocarbon containing formation in situ with an opening contacting the earth's surface at two locations |
| 09/07/2005 | CN1664147A High anti-extrusion petroleum casing pipe and method for producing same |
| 09/06/2005 | US6938710 Bit head retaining system and method of installing a bit head in a percussion drill |
| 09/06/2005 | US6938708 Electrically sequenced tractor |
| 09/06/2005 | US6938690 Downhole tool and method for fracturing a subterranean well formation |
| 09/01/2005 | WO2005080743A1 Drill string component, wear protection component and cutter head for use in a rock drilling process |
| 09/01/2005 | WO2005080742A1 Casing and liner drilling bits, cutting elements therefor, and methods of use |
| 09/01/2005 | US20050191889 Apparatus and method |
| 09/01/2005 | US20050189147 Drill stem connection |
| 09/01/2005 | US20050189107 Annular pressure relief collar |
| 09/01/2005 | US20050189029 Fiber reinforced spoolable pipe |
| 09/01/2005 | DE10357505B4 Anschlussstück mit verbesserter Struktur zur Verwendung mit einem Kernbohrer sowie Kernbohrer und Anschlussstückbaugruppe mit einem derartigen Anschlussstück Fitting with an improved structure for use with a core drill and core drill and connector assembly with such a connecting piece |
| 09/01/2005 | CA2553606A1 Drill string component, wear protection component and cutter head for use in a rock drilling process |
| 08/31/2005 | EP1567745A1 Large diameter flush-joint pipe handling system |