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