Patents for E21B 19 - Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables (17,198) |
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01/26/2012 | US20120018142 Coil Tubing Cable Head with Tool Release, Fluid Circulation and Cable Protection Features |
01/26/2012 | CA2806191A1 Inflatable restraint system |
01/26/2012 | CA2806080A1 System and method for sealing a wellbore |
01/26/2012 | CA2806019A1 Method and system for sealing a wellbore |
01/25/2012 | EP2408998A1 Multi-ram drill rig and method of operation |
01/25/2012 | CN202125291U Device for limiting and protecting remaining three rounds of single-layer steel wire rope of rotary drilling rig |
01/25/2012 | CN202125264U Pipe arrangement device of continuous oil pipe |
01/25/2012 | CN202125263U Lifting appliance for oil delivery rubber pipe |
01/25/2012 | CN202125262U Damage-free clamp head of oil pipe power clamp back clamp |
01/25/2012 | CN202125261U Horizontal down-the-hole drilling machine |
01/25/2012 | CN202125260U locking type sucker rod elevator |
01/25/2012 | CN102333934A Method for withdrawal and insertion of a drill pipe string in a borehole and also a device for use when practising the method |
01/25/2012 | CN102330541A Marine drilling riser tensioning system |
01/25/2012 | CN102330537A Tunnel drilling machine and hydraulic power head device thereof |
01/24/2012 | US8100257 Sub basket |
01/24/2012 | US8100189 System and method for dynamic sealing of a drill string |
01/24/2012 | US8100187 Multipurpose tubular running tool |
01/24/2012 | US8100186 Expansion system for expandable tubulars and method of expanding thereof |
01/24/2012 | US8100174 Drill fluid collecting device and method of use |
01/24/2012 | CA2624363C Apparatus and method for handling pipe sections |
01/24/2012 | CA2548431C Tubular stabbing protector and method |
01/19/2012 | WO2012008849A1 Device and method for clamping a top drive saver sub |
01/19/2012 | WO2012007724A2 Tubing apparatus and associated methods |
01/19/2012 | US20120012341 Drilling operation suspension spool |
01/19/2012 | US20120012334 Method and apparatus for use with downhole tools having gas-filled cavities |
01/19/2012 | US20120012310 Apparatus and methods for deploying equipment at a wellsite |
01/19/2012 | US20120012303 Retrievable Tool with Ratchet Lock Feature |
01/19/2012 | CA2805697A1 Tubing apparatus and associated methods |
01/18/2012 | EP2406457A2 Derrickless tubular servicing system and method |
01/18/2012 | CN202117779U Double power source control device |
01/18/2012 | CN202117665U General-purpose intelligent unlocking system |
01/18/2012 | CN202117595U Gooseneck hydraulically flexible device for injection head of continuous oil tube |
01/18/2012 | CN202117594U Novel compact injection head |
01/18/2012 | CN202117593U Coiled tubing injection head |
01/18/2012 | CN202117592U Coiled tubing pull-out indicator |
01/18/2012 | CN202117591U Steel pipe clamp fastening and releasing device of deep well |
01/18/2012 | CN202117590U Backup tong push-pull device of wire netting machine of underground tool |
01/18/2012 | CN202117589U Special quick hydraulic screwing-off clamp for geological wire-line core drilling rod |
01/18/2012 | CN202117588U Drill stem lifting device |
01/18/2012 | CN202117587U Drill rod moving aid for drill stand |
01/18/2012 | CN202117586U Shelf capable of realizing automatic assembly and disassembly of drill rod |
01/18/2012 | CN202117585U Anti-theft support frame for sucker rod |
01/18/2012 | CN202117584U Safety anti-dropping clamp for gland of round packing box |
01/18/2012 | CN202117583U Compression mechanism for drill rod of engineering driller |
01/18/2012 | CN202117582U Clamp holder |
01/18/2012 | CN102322231A Lifting nipple for connection with drill collar in petroleum exploitation |
01/18/2012 | CN102322229A Righting mechanism, drilling rod structure and engineering machine using same |
01/18/2012 | CN102322228A Centralizer and drill rod and engineering machine applying same |
01/18/2012 | CN102322214A Multifunctional drifting machine |
01/18/2012 | CN101718177B Horizontal automatic tube-arranging device |
01/17/2012 | CA2720227C Casing stabbing guide |
01/12/2012 | WO2012006327A2 Fiber support arrangement and method |
01/12/2012 | WO2011139947A3 Top drive |
01/12/2012 | US20120006565 Pipe guide for snubbing units |
01/12/2012 | US20120006564 Torque wrench system having a multiple torque stations |
01/12/2012 | DE102010036323A1 Verfahren zum Verhindern des Austritts von umweltschädlichen Stoffen bei Unterwasserbohrungen und Rohrstrang hierfür A method for preventing the escape of polluting substances in underwater drilling and pipe string for this |
01/12/2012 | CA2804397A1 Fiber support arrangement and method |
01/11/2012 | EP2404026A2 System and method of using a saver sub in a drilling system |
01/11/2012 | CN202108500U Well mouth butt joint device for continuous oil pipe tests |
01/11/2012 | CN202108473U Positive-pressure explosion-proof control box |
01/11/2012 | CN202108435U Pipe conveying device for operating platform |
01/11/2012 | CN202108434U Bit pressure compensator |
01/11/2012 | CN202108433U Oil gas drilling elevator |
01/11/2012 | CN202108432U Heavy micro-scratch polish rod clamp |
01/11/2012 | CN202108417U Pneumatic drill rig |
01/11/2012 | CN102317149A Free standing steel catenary risers |
01/11/2012 | CN102312658A Pipe guide for snubbing units |
01/11/2012 | CN101748978B Tripping method for operation by adopting power swivel and tool |
01/11/2012 | CN101644146B Four degree-of-freedom shift operation device for continuous oil pipe injection head |
01/10/2012 | US8091629 Adjustable wireline sheave for stuffing box |
01/10/2012 | CA2705554C Slippage sensor and method of operating an integrated power tong and back-up tong |
01/10/2012 | CA2679386C Method and apparatus for forming tubular connections |
01/10/2012 | CA2663894C Centralizing device for an elongated body in a mouse hole machine |
01/08/2012 | CA2709255A1 Pipe guide for snubbing units |
01/05/2012 | WO2011127155A4 Tubular connection system faciitating nonrotating signal conductor connection and method |
01/05/2012 | WO2011089397A3 System and method for deploying a riser anchor monitoring system on a floating vessel |
01/05/2012 | WO2009053945A3 Remotely operated single joint elevator |
01/05/2012 | US20120000672 Vertizontal geothermal loop and installation method |
01/05/2012 | US20120000671 Method for Withdrawal and Insertion of a Drill Pipe String in a Borehole and Also a Device for Use When Practising the Method |
01/05/2012 | US20120000646 Blowout preventer monitoring system and method of using same |
01/04/2012 | EP2401471A1 Method for withdrawal and insertion of a drill pipe string in a borehole and also a device for use when practising the method |
01/04/2012 | EP2401470A2 Pipe handling system |
01/04/2012 | EP2252763B1 Clamping head for an earth-drilling system |
01/04/2012 | EP2232002B1 Slippage sensor and method of operating an integrated power tong and back-up tong |
01/04/2012 | CN202100217U Skid-mounted combined type continuous oil pipe device |
01/04/2012 | CN202100216U Extra-large split-type continuous oil pipe device |
01/04/2012 | CN202100215U Hydraulic buckling device for tripped sucker rod |
01/04/2012 | CN202100214U Reversely-buckled clip of oil sucking rod |
01/04/2012 | CN202100213U Externally-arranged pneumatic clamping tile |
01/04/2012 | CN102305586A Visualization system of oil-water well operating under pressure |
01/04/2012 | CN102305315A Operating method for making cable pass through overlong continuous oil pipe |
01/04/2012 | CN102305039A Continuous oil pipe heave compensation device |
01/04/2012 | CN102305038A Oil well casing tong torque monitoring automatic control system |
01/04/2012 | CN102305037A Device for supporting long workpiece |
01/04/2012 | CN102305036A Safety protection handle of hoisting ring |
01/04/2012 | CN102305035A Device for adjusting centration of complete vehicle-mounted service machine to wellhead |
01/03/2012 | CA2474998C Well system |
12/29/2011 | WO2011162617A2 Device for an elevator bail and method of using same |
12/29/2011 | WO2011109075A3 Dual top drive systems and methods |
12/29/2011 | US20110315804 Tube/pipe spooling device |