| Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800) |
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| 08/28/1984 | US4468056 Swivel |
| 08/28/1984 | US4467879 Well bore tools |
| 08/28/1984 | CA1173358A1 Submerged buoyant offshore drilling and production tower |
| 08/28/1984 | CA1173357A1 Subsea riser manifold system |
| 08/21/1984 | US4466496 Technique for damping oscillations in a drill string |
| 08/21/1984 | US4466487 Method and apparatus for preventing vertical movement of subsea downhole tool string |
| 08/21/1984 | CA1173076A1 Thread-type pipe connector |
| 08/21/1984 | CA1172975A1 Pipe thread protector |
| 08/15/1984 | EP0115938A1 Riser support system |
| 08/15/1984 | EP0115542A1 Tapered threaded member with guide |
| 08/14/1984 | US4465222 Method of making a drill string stabilizer |
| 08/14/1984 | US4465147 Method and means for controlling the course of a bore hole |
| 08/14/1984 | US4465146 Tubular drill string member with contoured circumferential surface |
| 08/14/1984 | CA1172626A1 Rock drill |
| 08/07/1984 | US4463814 Down-hole drilling apparatus |
| 08/07/1984 | CA1172241A1 Flexible drill pipe |
| 08/02/1984 | WO1984002948A1 Tubular coupling with improved metal to metal seal |
| 08/02/1984 | WO1984002947A1 Tubular joint with trapped mid-joint metal to metal seal |
| 08/01/1984 | EP0022865B1 Hydraulically-driven downhole drill |
| 07/31/1984 | US4463220 Drill bit for forming a fluid cushion between the side of the drill bit and the side wall of a bore hole |
| 07/31/1984 | US4462717 Riser for great water depths |
| 07/24/1984 | US4461926 Hermetically sealed insulating assembly |
| 07/18/1984 | EP0113654A2 Rotating and/or percussive drilling machine |
| 07/17/1984 | US4460202 Intermediate weight drill string member |
| 07/17/1984 | US4460201 Pipe connectors |
| 07/17/1984 | US4459731 Concentric insulated tubing string |
| 07/17/1984 | CA1170985A1 Marine compliant riser system and method for its installation |
| 07/10/1984 | US4459060 Safety shear tool for fiberglass sucker rod |
| 07/10/1984 | US4458925 For connecting sections to a pipe |
| 07/10/1984 | US4458769 Rock drill |
| 07/10/1984 | US4458751 Method and apparatus for selective disengagement of a fluid transmission conduit operable under oppositely directed pressure differentials |
| 07/10/1984 | US4458404 Method of making sleeved drill pipe |
| 07/10/1984 | CA1170566A1 Marine compliant riser system and method for its installation |
| 07/10/1984 | CA1170465A1 Riser connector |
| 07/05/1984 | WO1984002555A1 Plant for making bore-holes in the side walls of underground exploitation chambers of small width |
| 07/03/1984 | CA1170293A1 Tool joint bench mark |
| 07/03/1984 | CA1170178A1 Marine compliant riser system |
| 07/03/1984 | CA1170177A1 Marine compliant riser system |
| 06/26/1984 | US4456080 Stabilizer method and apparatus for earth-boring operations |
| 06/26/1984 | US4456073 Flexible connection apparatus |
| 06/26/1984 | US4456060 Method for pumping a liquid from a well and apparatus for use therein |
| 06/26/1984 | CA1169766A1 Nipple insert |
| 06/26/1984 | CA1169765A1 Concentric insulated tubing string |
| 06/19/1984 | USRE31607 Circumferential acoustical detector |
| 06/19/1984 | US4454922 Drill rod and drilling apparatus |
| 06/13/1984 | EP0110808A2 Self-aligning rigid pile connections |
| 06/13/1984 | EP0110182A2 Down-hole drilling apparatus |
| 06/12/1984 | US4453986 Tubular high strength low alloy steel for oil and gas wells |
| 06/12/1984 | CA1169047A1 Method and apparatus for reducing the differential pressure sticking tendency of a drill string |
| 06/07/1984 | WO1984002158A1 A method employed in long-hole drilling and a drill rod system |
| 06/05/1984 | US4453035 Oil well cable |
| 06/05/1984 | US4452472 Tubular safety joint for drill strings |
| 06/05/1984 | US4452314 Method of installing a reinforced thermosetting resin sucker rod assembly composed of pultruded arcuate sections |
| 06/05/1984 | US4452307 For a wire line and impact device in loosening oil well tubing and casing |
| 05/30/1984 | EP0109541A1 Pipe string tie-back connector |
| 05/23/1984 | EP0108980A2 Tubular connection |
| 05/22/1984 | US4449953 Articulated coupling |
| 05/22/1984 | US4449736 Releasable tubing string connector |
| 05/22/1984 | CA1167834A1 Inner pipe support arrangement for double-walled pipe |
| 05/16/1984 | EP0108157A1 Sampling device for taking undisturbed soil samples |
| 05/15/1984 | US4448551 Method and apparatus for shaft support for turbine pumps |
| 05/15/1984 | US4448267 Door drilling Kelly |
| 05/15/1984 | US4448266 Deep water riser system for offshore drilling |
| 05/15/1984 | US4448248 Enhanced flow tool positioner |
| 05/15/1984 | CA1167436A1 Thread system |
| 05/15/1984 | CA1167435A1 Rock drilling apparatus |
| 05/15/1984 | CA1167375A1 Seal receptacle assembly |
| 05/08/1984 | US4446932 Hydrostatic shear pin |
| 05/08/1984 | US4446610 Retrievable float valve assembly |
| 05/01/1984 | US4445734 Telemetry drill pipe with pressure sensitive contacts |
| 05/01/1984 | US4445727 Method of attaching a wear strip to downhole members |
| 05/01/1984 | US4445674 Shock absorber for an oil well pumping unit |
| 05/01/1984 | US4445572 Unrestricted bore safety joint |
| 05/01/1984 | US4445255 Hose clamp for supporting a vertically extending control line |
| 05/01/1984 | CA1166629A1 Rock drill |
| 05/01/1984 | CA1166628A1 Rotary drilling drill string stabilizer-cuttings grinder |
| 04/26/1984 | WO1984001610A1 Pipe string tie-back connector |
| 04/25/1984 | EP0106834A2 Device for conveying a fluid under pressure to a rotative part of a machine |
| 04/25/1984 | EP0106702A2 Drill bit assembly having improved operational life |
| 04/24/1984 | US4444421 Driveable pile connections |
| 04/24/1984 | US4444420 For forming a tubular string in a subterranean well |
| 04/24/1984 | US4444276 Underground radial pipe network |
| 04/17/1984 | US4443206 Well tool |
| 04/17/1984 | US4442908 Tool for drilling curved sections of well holes |
| 04/17/1984 | US4442903 System for installing continuous anode in deep bore hole |
| 04/17/1984 | CA1165854A1 Signalling within a borehole while drilling |
| 04/17/1984 | CA1165791A1 Threaded joint with high gas-leak-tightness for oil and gas well pipe |
| 04/17/1984 | CA1165753A1 Wedge lock stabilizer |
| 04/12/1984 | WO1984001439A1 Apparatus and method for logging wells while drilling |
| 04/10/1984 | US4441839 Eccentric fluid delivery column for articulated drilling platform in deep water petroleum production |
| 04/10/1984 | US4441565 Guiding device for percussion drills |
| 04/10/1984 | CA1165229A1 Multiple bore marine riser with flexible reinforcement |
| 04/04/1984 | EP0104993A2 Full-bore drill stem testing apparatus with surface pressure readout |
| 04/04/1984 | EP0104790A1 Apparatus for the delivery of hot fluids and methods of maintaining a vacuum in such apparatus |
| 04/04/1984 | EP0104789A1 Methods of prestressing tubular apparatus |
| 04/04/1984 | EP0104720A1 Tubular connection |
| 04/03/1984 | US4440241 Method and apparatus for drilling a well bore |
| 04/03/1984 | US4440229 Oil well servicing processes |
| 04/03/1984 | CA1164797A1 Mudline suspension system |
| 03/29/1984 | WO1984001189A1 Well logging apparatus and method for making same |