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)
02/2013
02/06/2013CN102913152A Single oil tube transfer device
02/06/2013CN102913151A Offshore drilling rig fingerboard latch position indication
02/06/2013CN102913150A Anti-butting slip
02/06/2013CN102913149A Rotary drilling rig and two-channel hydraulic power transmission elevator thereof
02/06/2013CN102910549A Rotary drilling rig and main winch pay-off method and pay-off control system thereof
02/05/2013US8365834 Tubular handling apparatus
02/05/2013US8365816 Method and apparatus for conducting earth borehole operations
01/2013
01/31/2013WO2013016097A2 System and method for production of reservoir fluids
01/31/2013WO2013015978A2 Pushing or pulling device
01/31/2013WO2013015848A1 Pipe-in-pipe apparatus, and methods and systems
01/31/2013WO2013015800A1 Downhole line tool assembly and method for use thereof
01/31/2013US20130029543 Power Supply System for Marine Drilling Vessel
01/31/2013US20130025937 Systems and Methods for Continuous and Near Continuous Drilling
01/31/2013US20130025899 Multispeed power tool
01/31/2013US20130025880 Traversing a travel joint with a fluid line
01/31/2013US20130025847 Apparatus for Handling and Holding a Pipe
01/31/2013CA2842817A1 Device for producing a bore in the ground, rotary drive device and rotary seal arrangement
01/31/2013CA2842162A1 Pipe-in-pipe apparatus, and methods and systems
01/31/2013CA2842045A1 System and method for production of reservoir fluids
01/30/2013EP2551530A1 Device for handling tubes
01/30/2013CN202706950U Double-beam fixing type structure of top drive back-up wrench
01/30/2013CN202706949U A petroleum workover rig tackle device
01/30/2013CN202706948U Gyrator slip of drilling machine
01/30/2013CN202706947U High-strength polished rod clip
01/30/2013CN202706946U A horizontal adjustment device for a slide of a petroleum workover rig
01/30/2013CN202706908U Top drive well drilling device for petroleum drilling machine
01/30/2013CN202706905U Double drill deeply-planted afforestation drilling machine
01/30/2013CN202706029U Top-end pulley frame of pile machine with rotary vertical post
01/30/2013CN102906366A Remote operation of a rotating control device bearing clamp and safety latch
01/30/2013CN102900387A Friction self-locking drill rod clamping mechanism
01/30/2013CN102900386A Automated ramp device
01/30/2013CN102900385A Over chuck distance steel wire operation slip plug
01/30/2013CN102900384A Normally-closed hydraulic chuck for coalmine driller
01/30/2013CN102900383A Device for handling tubes
01/30/2013CN102900382A Hydraulic cathead device
01/30/2013CN102900381A Full hydraulic energy-saving snubbing aggregate unit
01/30/2013CN101906988B Remote-control underground gas extraction drilling machine
01/29/2013US8360160 Deep water drilling with casing
01/29/2013US8360159 Rotating control device with replaceable bowl sleeve
01/29/2013US8359951 Wrenching tong
01/29/2013CA2606486C Improved coiled tubing injector head
01/24/2013WO2013013147A2 High pressure tie back receptacle and seal assembly
01/24/2013WO2013012992A2 Adjustable mudline tubing hanger suspension system
01/24/2013WO2013012572A2 Frangible slip for downhole tools
01/24/2013WO2013012317A1 Technical field and background of the invention
01/24/2013WO2012162157A3 Formation treatment system and method
01/24/2013WO2012102966A3 Drill string components resistant to jamming
01/24/2013US20130020091 Unibody lubricator with externally threaded nipple
01/24/2013US20130020067 Mobile hydraulic workover rig
01/24/2013CA2839730A1 Frangible slip for downhole tools
01/23/2013EP2547856A2 Injector head
01/23/2013CN202690014U Sensor replacing mechanism
01/23/2013CN202690003U Gas well swabbing ball type damper
01/23/2013CN202689976U Cantilever type iron driller
01/23/2013CN202689975U Down-the-hole drill with hydraulic rod dismounting device
01/23/2013CN202689974U Roller device for spinning wrench of iron roughnecks
01/23/2013CN202689973U Rope locking device used for dismantling operation machine roller large rope
01/23/2013CN202689972U Hydraulic chuck
01/23/2013CN202689931U Novel deep sea automatic extension rod pressure maintaining sampling drill
01/23/2013CN202689926U Folding arm rock drill rig with automatic drill rod replacement device
01/23/2013CN102889062A Headframe type mechanical and electrical integrated well repairing machine
01/23/2013CN102889061A Combined lift sub
01/23/2013CN102031939B Hydraulic pipe screwing machine for screwing and unscrewing outer flat drill pipe and being capable of keeping off orifice
01/23/2013CN101775959B Drilling machine of coaxial double-drill large-caliber multifunctional foundation pile
01/22/2013US8356675 Apparatus and methods for tubular makeup interlock
01/22/2013US8356674 Tubular running tool and methods of use
01/22/2013US8356661 Combination swivel and ball dropper
01/22/2013US8356660 Apparatus having spaced apart and offset ladder rungs for interlocking and flexibly restraining service loops in an oil derrick to prevent entangling of the loops
01/20/2013CA2782084A1 A wire access line drum assembly
01/17/2013WO2013009617A2 Methods of limiting or reducing the amount of oil in a sea using a fluid director
01/17/2013WO2013008234A1 Stringing block for aerial electric conductor
01/17/2013WO2013008046A1 Gripper block assembly for coiled tubing injectors
01/17/2013WO2012158367A3 Multi-position mechanical spear for multiple tension cuts while removing cuttings
01/17/2013WO2012158026A3 Pipe guiding device, pipe pusher, roller bock and method for laying a pipe in a subsurface
01/17/2013WO2012151148A3 Extended range single - joint elevator
01/17/2013WO2012151147A3 Floating spider
01/17/2013WO2012006455A3 Torque enhanced threaded connection
01/17/2013US20130014947 Drilling/Frac Adapter and Method of Use
01/17/2013US20130014937 Rotary Table Device for a Pipe String
01/17/2013US20130014934 Smart Drop-Off Tool and Hang-Off Tool for a Logging String
01/17/2013US20130014612 Internally Retained Jaw Roller Pin
01/16/2013CN202673218U Secret chamber hole control idling anti-theft lock and key
01/16/2013CN202673216U 大位移井振动工具 Reach Wells vibration tools
01/16/2013CN202673205U Drill rod connecting and dismounting device
01/16/2013CN202673204U Rod dismounting device for drilling machine
01/16/2013CN202673203U Device for tying well drilling snub line
01/16/2013CN202673202U Double jaw plate tong head of power tongs/ iron driller
01/16/2013CN202673201U Iron roughneck base capable of being assembled and disassembled quickly
01/16/2013CN202673200U Raising plate device for power cat way pipes
01/16/2013CN202673199U Drill string translating device in drill site for full-automatic drilling machine
01/16/2013CN202673198U Automatic derrick monkey of drilling machine
01/16/2013CN202673197U Automatic derrick monkey turning device directly driven by motor
01/16/2013CN202673196U Supporting plate device of manipulator for conveying drilling tools
01/16/2013CN202673195U Device for connecting drill pipes with three-joint unit
01/16/2013CN202673194U Rat hole clamping device for petroleum drilling machine
01/16/2013CN202673193U Drill stem automatic stacking and transporting device
01/16/2013CN202673192U Tensioner liquid cylinder typhoon-preventing fixing device
01/16/2013CN202673191U Multi-functional maintenance service device for petroleum drilling machine
01/16/2013CN202673190U Direct hydraulic cylinder type offshore drilling water-secluding pipe tensioning system
01/16/2013CN202673189U Rotary type throttling kill manifold capable of moving vertically and horizontally
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