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