| Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800) |
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| 09/05/1995 | US5447201 Well completion system |
| 09/05/1995 | US5447200 Method and apparatus for downhole sand clean-out operations in the petroleum industry |
| 08/30/1995 | EP0668978A1 Multilayer fire protective coating. |
| 08/30/1995 | CN1107404A Tool and tool receiver used for hand tool device |
| 08/29/1995 | US5445230 Downhole drilling subassembly and method for same |
| 08/24/1995 | WO1995022679A1 Modular drill pipe section |
| 08/24/1995 | WO1995022678A1 Fluid riser between seabed and floating vessel |
| 08/24/1995 | WO1995022417A1 Soil processing apparatus |
| 08/24/1995 | DE19503181A1 Torque control unit for mining drilling machine |
| 08/24/1995 | CA2182891A1 Fluid riser between seabed and floating vessel |
| 08/23/1995 | CN2205868Y Jointing device for drilling rod |
| 08/22/1995 | US5443099 Tube of composite material for drilling and/or transport of liquid or gaseous products, in particular for offshore oil exploitation and method for fabrication of such a tube |
| 08/17/1995 | WO1995021986A1 Drill casing installation equipment with external friction reducing means |
| 08/16/1995 | EP0666960A1 Flexible riser system |
| 08/15/1995 | US5441310 Cement head quick connector |
| 08/15/1995 | CA2056561C Hydraulic shock absorber |
| 08/10/1995 | WO1995021483A1 Apparatus for terminating and interconnecting rigid electrical cable and method |
| 08/10/1995 | WO1995021317A2 Drilling bit assembly and apparatus |
| 08/08/1995 | US5439323 Rod and shell composite riser |
| 08/08/1995 | US5439321 Interruptive mobile production system |
| 08/03/1995 | WO1995020716A1 Casing pipe with coupling sleeves at one or both ends |
| 08/03/1995 | DE4402434A1 Coupling element for hand drill to lawnmower engine shaft |
| 08/01/1995 | US5437518 Device for mounting a flexible line comprising a curvature limiter |
| 08/01/1995 | US5437342 Drill string protection |
| 08/01/1995 | CA2023297C Tool joint and method of hardfacing same |
| 07/27/1995 | WO1995020074A1 Tension leg platform and method of installation therefor |
| 07/27/1995 | DE4402202A1 Bohrrohr mit ein- oder beidendig angebrachten Verbindungsmuffen Drill pipe with one or both ends attached joints |
| 07/27/1995 | DE4401914A1 Hammer drill with grinding disc and front spiral |
| 07/27/1995 | DE19501396A1 Offset drilling of straight, deviated or curved bores for gas or oil |
| 07/25/1995 | US5435402 Self-propelled earth drilling hammer-bit assembly |
| 07/25/1995 | US5435401 Down-the-hole rock drill |
| 07/25/1995 | US5435395 Method for running downhole tools and devices with coiled tubing |
| 07/25/1995 | US5435393 Procedure and production pipe for production of oil or gas from an oil or gas reservoir |
| 07/25/1995 | US5435387 Built-in grout line for a well casing |
| 07/25/1995 | US5435351 Anchored wavey conduit in coiled tubing |
| 07/20/1995 | DE4437953A1 Belastungsmindernde Nut für Bohrrohre Stress-reducing groove for casings |
| 07/19/1995 | EP0663476A1 Joint structure for pillars and its joining method |
| 07/18/1995 | US5433275 Double-threaded anchor tubing assembly |
| 07/18/1995 | US5433128 Sucker rod coupling tool and method |
| 07/13/1995 | WO1995018907A1 Procedure and device for installing a riser pipe on a submarine buoy |
| 07/13/1995 | WO1995018892A1 Improvements in or relating to apparatus for use in forming piles |
| 07/12/1995 | CN2203351Y Combined line-frequency skin electrothermal pumping rod |
| 07/12/1995 | CN1105111A Improved integral joint for connecting two pipes |
| 07/11/1995 | US5431831 Compressible lubricant with memory combined with anaerobic pipe sealant |
| 07/11/1995 | US5431238 Drilling tool for use in constructing large diameter piles, ventilating shafts and other similar mining works |
| 07/11/1995 | CA1336261C Device for measuring or intervening in a well, method using the device and use of the device |
| 07/06/1995 | WO1995018329A1 Pipe fitting |
| 07/06/1995 | WO1995018287A1 Control device for drilling a bore hole |
| 07/05/1995 | EP0661412A1 Device and method for remote actuation of a downhole tool |
| 07/04/1995 | US5429198 Down reaming apparatus having hydraulically controlled stabilizer |
| 06/29/1995 | WO1995017577A1 Apparatus and method for completing a well |
| 06/29/1995 | WO1995017576A1 Dual concentric string high pressure riser |
| 06/29/1995 | WO1995017575A1 Drill pipe |
| 06/27/1995 | US5427481 Tool bit and tool bit chuck for hand tools |
| 06/27/1995 | US5427418 High strength, low torque threaded tubular connection |
| 06/27/1995 | US5427190 Underground borer with down hammer |
| 06/27/1995 | US5427133 Coiled tubing wireline retrievable and selective set gas lift assembly |
| 06/25/1995 | CA2139007A1 Device and method for remotely actuating an equipment - application to a boring string |
| 06/22/1995 | WO1995016849A1 Downhole tool |
| 06/22/1995 | CA2559391A1 Downhole tool |
| 06/21/1995 | EP0658683A1 Running tool |
| 06/21/1995 | EP0658682A2 Gage cutting insert for roller bit |
| 06/21/1995 | CN2201481Y Inner tube well-strengthening floating shoe |
| 06/20/1995 | US5425559 Radially deformable pipe |
| 06/20/1995 | US5425429 Method and apparatus for forming lateral boreholes |
| 06/20/1995 | US5425428 For permitting passage of a tool through the interior of a pipe |
| 06/20/1995 | US5425420 Spoolable coiled tubing completion system |
| 06/20/1995 | CA1335988C Drill bit with integrally forged stabilizer |
| 06/15/1995 | WO1995016161A1 High-strength, low-torque threaded tubular connection |
| 06/15/1995 | WO1995016079A1 Multi-shaft excavating device |
| 06/14/1995 | EP0657616A1 Auger device for piles foundations |
| 06/14/1995 | EP0656998A1 Shock absorbing assembly |
| 06/14/1995 | CN1028905C Method of and apparatus for ultrasonic identification of materials and equipment |
| 06/13/1995 | US5423636 Cement soil apparatus of underground borer |
| 06/13/1995 | US5423579 Tubular coupling with metal to metal seal |
| 06/13/1995 | US5423575 Concentric riser joint with self-aligning coupling |
| 06/13/1995 | US5423389 Curved drilling apparatus |
| 06/13/1995 | US5423383 Spoolable flexible hydraulic controlled coiled tubing safety valve |
| 06/08/1995 | WO1995010685A3 Drill pipe tubing and casing protectors |
| 06/08/1995 | WO1995004867A3 Universal torsional flexing and deflectional combination tools |
| 06/07/1995 | EP0656547A1 Method and appparatus for surveying and monitoring a hydrocarbon reservoir |
| 06/07/1995 | EP0656127A1 Reduced diameter down-hole instrument cable |
| 06/06/1995 | US5421780 Joint assembly permitting limited transverse component displacement |
| 06/06/1995 | US5421676 Tension leg platform and method of instalation therefor |
| 06/06/1995 | US5421420 Downhole weight-on-bit control for directional drilling |
| 06/06/1995 | US5421413 Flexible fairings to reduce vortex-induced vibrations |
| 06/06/1995 | CA2063064C Coil tubing electrical cable for well pumping system |
| 06/06/1995 | CA1335811C Drill pipes and casings utilizing multi-conduit tubulars |
| 06/01/1995 | WO1995014844A1 Well tool |
| 06/01/1995 | DE4344517C1 System for drawing pipes into ground under roads and train tracks |
| 05/31/1995 | EP0655549A1 Improvements in or relating to cutting elements for rotary drill bits |
| 05/31/1995 | EP0655548A1 Improvements in or relating to cutting elements for rotary drill bits |
| 05/31/1995 | CN1103148A Improved anti-seizure protection for joints, particularly suitable for the petroleum sector |
| 05/30/1995 | US5419595 Threaded joint for oil well pipes |
| 05/30/1995 | US5419405 System for controlled drilling of boreholes along planned profile |
| 05/30/1995 | US5419399 Hydraulic disconnect |
| 05/30/1995 | US5419397 Well cleaning tool with scratching elements |
| 05/30/1995 | US5419395 Eccentric fluid displacement sleeve |
| 05/30/1995 | US5419394 Tools for delivering fluid to spaced levels in a wellbore |
| 05/30/1995 | US5419188 Reeled tubing support for downhole equipment module |