| Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800) |
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| 11/02/1983 | EP0093012A1 Filament wound interlaminate tubular attachment and method of manufacture |
| 11/01/1983 | US4412370 Clamps |
| 11/01/1983 | CA1156287A1 Tube joint for the petroleum industry |
| 11/01/1983 | CA1156141A1 Riser with articulated food for deepsea crude oil extraction |
| 10/25/1983 | US4411546 Oil well sucker rod shear tool |
| 10/25/1983 | US4411457 Insulated pipe joint |
| 10/25/1983 | US4411455 Riser connector |
| 10/25/1983 | US4411435 Seal assembly with energizing mechanism |
| 10/25/1983 | US4411434 Fluid sealing assembly for a marine riser telescopic slip joint |
| 10/18/1983 | US4410204 Connector |
| 10/18/1983 | US4410044 Method for orienting well casing and other tubular work objects and device therefor |
| 10/18/1983 | CA1155436A1 Full hole drill collar |
| 10/11/1983 | US4409504 Tandem connected submersible oil well pump motors |
| 10/11/1983 | US4408927 Threaded joint toggle-locked with a helical spring |
| 10/11/1983 | US4408485 Rotary straddle tester apparatus with safety joint back-off clutch |
| 10/04/1983 | US4407527 Self-aligning connector assembly |
| 10/04/1983 | US4407377 Surface controlled blade stabilizer |
| 10/04/1983 | CA1154750A1 Constant bottom contact tool |
| 09/27/1983 | US4406597 Method for pumping a liquid from a well and apparatus for use therein |
| 09/27/1983 | US4406561 Sucker rod assembly |
| 09/27/1983 | CA1154430A1 Integral blade cylindrical gauge stabilizer-reamer |
| 09/27/1983 | CA1154380A1 Casing stand-off band for use with running cementing of casing in wellbores |
| 09/21/1983 | EP0089253A1 Coupling for steel pipes for withstanding high pressures, and showing little tendency to seizing |
| 09/21/1983 | EP0089121A1 Pump systems |
| 09/21/1983 | EP0088817A1 Corrosion-restistant pipe coupling structures |
| 09/20/1983 | US4404853 Method and apparatus for ultrasonic testing of tubular goods |
| 09/13/1983 | US4403884 Wire assemblies for repetitive, continuous cycle, tensile load conditions, particularly sucker rods for oil wells |
| 09/13/1983 | US4403668 Stabilizing drill collar |
| 09/13/1983 | US4403654 Torque transmitting expansion joint and a hanger assembly incorporating same |
| 09/07/1983 | EP0087922A2 Multiterminators for riser pipes |
| 09/07/1983 | EP0087917A1 Drilling apparatus |
| 09/07/1983 | EP0087557A1 Pipe connection for metal pipes |
| 09/07/1983 | EP0087556A1 Pipe connection for metal pipes |
| 09/06/1983 | US4402532 Detachable pipe joint |
| 09/06/1983 | US4402495 Drill string shock absorber with pressurized lubricant system |
| 09/06/1983 | US4402372 Apparatus for drilling underground arcuate paths and installing production casings, conduits, or flow pipes therein |
| 09/06/1983 | CA1153359A1 Roller bearing non-rotating stabilizer |
| 08/30/1983 | US4401396 Fiberglass oil well sucker rod |
| 08/30/1983 | US4401170 Apparatus for drilling underground arcuate paths and installing production casings, conduits, or flow pipes therein |
| 08/30/1983 | US4401164 In situ method and apparatus for inspecting and repairing subsea wellheads |
| 08/30/1983 | CA1152891A1 Universal joint for multiple conduit system |
| 08/23/1983 | US4400349 Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking |
| 08/23/1983 | US4400211 Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking |
| 08/23/1983 | US4400210 Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking |
| 08/23/1983 | US4400209 Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking |
| 08/23/1983 | US4400110 Flexible riser underwater buoy |
| 08/23/1983 | US4400109 Complaint riser yoke assembly with breakway support means |
| 08/23/1983 | US4399877 Continuous borehole telemetry system and method |
| 08/23/1983 | US4399873 Retrievable insert landing assembly |
| 08/23/1983 | US4399867 Method for injecting a gaseous stream into a hot subterranean zone |
| 08/17/1983 | EP0086101A2 Well tool |
| 08/16/1983 | US4398898 Shock sub |
| 08/16/1983 | US4398846 Subsea riser manifold with structural spanning member for supporting production riser |
| 08/16/1983 | US4398772 Drill pipe protector |
| 08/16/1983 | US4398756 Cylindro-conical pipe joint |
| 08/16/1983 | US4398487 Fairing for elongated elements |
| 08/10/1983 | EP0085647A1 Gas-tight oil well pipe connection |
| 08/10/1983 | EP0085444A2 Method and means for controlling the course of a bore hole |
| 08/09/1983 | US4397484 Locking coupling system |
| 08/09/1983 | US4397357 Disconnectable production riser assembly |
| 08/09/1983 | CA1151540A1 Insulated casing assembly |
| 08/09/1983 | CA1151436A1 Installation of tunnel linings |
| 08/02/1983 | US4396234 Weldable blade stabilizer |
| 08/02/1983 | US4396211 Insulating tubular conduit apparatus and method |
| 08/02/1983 | US4396075 Multiple branch completion with common drilling and casing template |
| 08/02/1983 | US4396066 Method and apparatus for effecting sealed connection to upstanding irregular end of tubing positioned in a well |
| 08/02/1983 | US4396064 Method and apparatus for injecting a gaseous stream into a subterranean zone |
| 08/02/1983 | US4396038 Pipe thread protectors and method for forming same |
| 07/26/1983 | US4394884 Shock sub |
| 07/20/1983 | EP0084009A1 Pipe joint, in particular for oil pipes |
| 07/20/1983 | EP0083675A1 Protection sleeve and socket for oil pipes |
| 07/19/1983 | US4393947 Sound attenuating rock drill shank |
| 07/19/1983 | US4393940 Retrievable float valve assembly |
| 07/19/1983 | CA1150235A1 Technique for damping oscillations in a drill string |
| 07/12/1983 | CA1149736A1 Riser connector |
| 07/12/1983 | CA1149735A1 Seal assembly releasing tool |
| 07/05/1983 | US4391547 Quick release downhole motor coupling |
| 07/05/1983 | US4391332 Offshore facility for recovery hydrocarbon deposits from deep sea beds |
| 07/05/1983 | US4391330 Apparatus and method for installing and energizing submergible pump in underwater well |
| 07/05/1983 | US4391326 Stinger assembly for oil well tool |
| 06/28/1983 | CA1148851A1 Tracked cable guide assembly to store conductor cable inside a drill pipe |
| 06/21/1983 | US4388974 Variable diameter drill rod stabilizer |
| 06/21/1983 | US4388969 Borehole pipe side entry method and apparatus |
| 06/14/1983 | US4388022 Flexible flowline bundle for compliant riser |
| 06/14/1983 | US4387885 Shock absorber assembly for absorbing shocks encountered by a drill string |
| 06/14/1983 | US4387775 Rock drilling apparatus |
| 06/14/1983 | US4387483 Extracting handle for earth drill augers |
| 06/14/1983 | CA1148193A1 Coupling for interconnecting pipe sections and pipe section for well drilling operations |
| 06/09/1983 | WO1983001987A1 Drill collar |
| 06/07/1983 | US4387372 Point gap assembly for a toroidal coupled telemetry system |
| 06/07/1983 | US4386458 Fatigue resistance for coupling and connection joint mechanisms |
| 05/31/1983 | US4385669 Integral blade cylindrical gauge stabilizer reamer |
| 05/31/1983 | US4385668 Inner pipe support arrangement for double-walled drill pipe |
| 05/31/1983 | US4385663 Packerless well completion assembly |
| 05/24/1983 | US4384747 Bearing for a shaft cutter stabilizer |
| 05/24/1983 | US4384737 Threaded joint for well casing and tubing |
| 05/24/1983 | US4384626 Clamp-on stabilizer |
| 05/17/1983 | US4383554 Flexible pipe |
| 05/17/1983 | CA1146366A1 Underground pipe pusher |
| 05/10/1983 | US4382470 Method and well casing |