| Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800) |
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| 07/15/2009 | CN100513740C Method in situ recovery from a hydrocarbon containing formation using barriers |
| 07/14/2009 | US7559582 Tubing connection arrangement |
| 07/14/2009 | US7559375 Flow control device for choking inflowing fluids in a well |
| 07/14/2009 | CA2574132C Tubing connection arrangement |
| 07/14/2009 | CA2517978C Drilling with casing latch |
| 07/14/2009 | CA2475631C Sealing expandable tubing |
| 07/14/2009 | CA2369473C Sand barrier for a level 3 multilateral wellbore junction |
| 07/14/2009 | CA2362875C Floating offshore construction, and floating element |
| 07/09/2009 | WO2009086442A2 Wellbore pipe centralizer having increased restoring force and self-sealing capability |
| 07/09/2009 | WO2009086254A2 Communication connections for wired drill pipe joints for providing multiple communication paths |
| 07/09/2009 | WO2009083523A1 Sealed threaded tubular connection which is resistant to successive pressure loads |
| 07/09/2009 | WO2006007242A3 Side entry apparatus and method |
| 07/09/2009 | US20090173504 Transverse magnetization of casing string tubulars |
| 07/09/2009 | US20090173406 Fiber Reinforced Spoolable Pipe |
| 07/09/2009 | CA2711468A1 High pressure pipe liner coupling assembly and method |
| 07/09/2009 | CA2710857A1 Wellbore pipe centralizer having increased restoring force and self-sealing capability |
| 07/09/2009 | CA2709580A1 Sealed threaded tubular connection which is resistant to successive pressure loads |
| 07/08/2009 | EP2077374A1 Submersible pump assembly |
| 07/08/2009 | EP2076652A1 Arrangement for foundation |
| 07/08/2009 | EP1792052A4 Integrated magnetic ranging tool |
| 07/08/2009 | CN201269052Y Antiskid protection connector |
| 07/08/2009 | CN201269051Y Safe protection apparatus of oil pumping rod |
| 07/08/2009 | CN101479440A Tubular member connection |
| 07/08/2009 | CN101476449A Aligning anti-release and anti-bias wearing apparatus used for pumping rod |
| 07/08/2009 | CN101476448A Pumping rod universal conduction device |
| 07/08/2009 | CN101476447A Hot diaphragm type ultrahigh molecular weight polyethylene composite oil pumping pipe |
| 07/08/2009 | CN101476446A Drilling rod assembly |
| 07/08/2009 | CN100510311C Method for producing self lubricating iron base alloy spray welding oil pumping rod collar |
| 07/08/2009 | CN100510310C Method for preparing self lubricating nickel base alloy spray welding oil pumping rod collar |
| 07/07/2009 | US7556452 Control of flexible riser curvature at the keel of a floating structure |
| 07/07/2009 | US7556093 Downhole fiber optic wet connect and gravel pack completion |
| 07/07/2009 | CA2578491C Expansion member mated to tubing by threaded connection and methods of use |
| 07/07/2009 | CA2532088C Connector for perforating gun tandem |
| 07/07/2009 | CA2426020C Guide tube with threaded ends and waist |
| 07/07/2009 | CA2403932C Method of joining metal oilfield tubulars and well provided therewith |
| 07/07/2009 | CA2397154C Thread joint and rock drill element |
| 07/02/2009 | WO2009080556A1 Well tubings with polymer liners |
| 07/02/2009 | WO2009079784A1 Styrenic insulation for pipe |
| 07/02/2009 | US20090166043 Riser Pipe with Rigid Auxiliary Lines |
| 07/02/2009 | US20090166036 Progressive cavity pump rod guide |
| 07/02/2009 | US20090166027 Wellbore pipe centralizer having increased restoring force and self-sealing capability |
| 07/02/2009 | US20090166023 Well Having Inductively Coupled Power and Signal Transmission |
| 07/02/2009 | CA2709648A1 Well tubings with polymer liners |
| 07/02/2009 | CA2708687A1 Styrenic insulation for pipe |
| 07/01/2009 | EP2075402A1 Composite marine riser |
| 07/01/2009 | EP2074015A1 Loading system |
| 07/01/2009 | EP1692421B1 Production by plastic expansion of a sealed tubular joint with inclined abutting surface(s) |
| 07/01/2009 | CN201265373Y Rotary sand centralizing nipple of pumping rod |
| 07/01/2009 | CN201265372Y Flushing connector of exhaustible casing tube |
| 07/01/2009 | CN201265371Y Groove type safety connector |
| 07/01/2009 | CN201265370Y Gas-tight drill rod connector |
| 07/01/2009 | CN201265369Y Underwater hydraulic connector in ocean |
| 07/01/2009 | CN201265368Y Integral Y-shaped connector |
| 07/01/2009 | CN201265367Y Suspension line connector of high-strength oil pumping machine |
| 07/01/2009 | CN201265366Y Connection structure for composite material drill pipe body and steel connector |
| 07/01/2009 | CN201265365Y Well drilling water-resistant pipe connector suitable for deep water operation |
| 07/01/2009 | CN201265364Y Large-diameter hollow drill rod |
| 07/01/2009 | CN100507203C Bi-directional thruster pig apparatus and method of utilizing same |
| 06/30/2009 | US7555391 Multiple distributed force measurements |
| 06/30/2009 | US7552772 Locating recess in a shoe for expandable liner system |
| 06/30/2009 | CA2317291C Method of manufacturing a continuous sucker rod on site |
| 06/25/2009 | WO2009077735A1 Joining metal pipes |
| 06/25/2009 | WO2009077714A1 Submersible pump assembly |
| 06/25/2009 | WO2009040510A3 Down-hole wireless communication system |
| 06/25/2009 | WO2008145862A3 Underwater buoy with modular members |
| 06/25/2009 | US20090159693 Method of Incorporating a Fast, Readable Data Chip into Metallic Surfaces for Electronic Identification |
| 06/25/2009 | US20090159291 Telescopic joint mini control panel |
| 06/25/2009 | US20090159281 Running bore-lining tubulars |
| 06/25/2009 | US20090159269 Self-Anchoring Device with Force Amplification |
| 06/24/2009 | CN201262049Y Pumping-aided centralizer for self-adjusting type pumping rod |
| 06/24/2009 | CN201262048Y Special tools for casing tube centralization |
| 06/24/2009 | CN201262047Y Groove type helical stabilizer |
| 06/24/2009 | CN201262046Y Down-hole column jacket expansion device |
| 06/24/2009 | CN201262045Y Hydraulic back-off sub used for oil well water block |
| 06/24/2009 | CN201262044Y Embedded combination type coal drill tool |
| 06/24/2009 | CN201262043Y Special clamp assembly for flushing well |
| 06/24/2009 | CN101463712A Eccentric center-adjustable reducing stabilizer |
| 06/24/2009 | CN101463711A Heat dissipation |
| 06/23/2009 | USRE40765 Fluid-operated power tool |
| 06/23/2009 | CA2564815C Composite marine riser |
| 06/23/2009 | CA2531549C System and technique for orienting and positioning a lateral string in a multilateral system |
| 06/23/2009 | CA2473248C Perforating gun quick connection system |
| 06/23/2009 | CA2401709C Wireless downhole well interval inflow and injection control |
| 06/18/2009 | WO2009075683A1 Improved pneumatic tool design |
| 06/18/2009 | WO2009073960A1 Staged actuation shear sub for use downhole |
| 06/18/2009 | WO2009049006A3 Pipe connection system |
| 06/18/2009 | WO2009016453A3 Drill pipe with tool joints |
| 06/18/2009 | US20090152014 Female part and a method for manufacturing female parts |
| 06/18/2009 | US20090152008 Microtunnelling system and apparatus |
| 06/18/2009 | US20090151950 Active integrated well completion method and system |
| 06/18/2009 | US20090151931 Well String Centralizer and Method of Forming |
| 06/18/2009 | US20090151926 Inductive Power Coupler |
| 06/18/2009 | DE102006045557B4 Gestängemitnehmer Gestängemitnehmer |
| 06/17/2009 | EP2069603A1 Methods and apparatus for attenuating drillstring vibrations |
| 06/17/2009 | CN201258699Y Novel slurry rotary joint |
| 06/17/2009 | CN201258698Y Drill rod for revolving bore filling pile |
| 06/17/2009 | CN201258697Y Hot melting alloy anti-abrasion sucker rod |
| 06/17/2009 | CN100501115C Down-hole drill string speed-changing transmission joint |
| 06/16/2009 | US7546871 Downhole tool |
| 06/16/2009 | CA2452848C An expandable hanger and packer |