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)
08/2012
08/15/2012CN202380996U Device for preventing polished rod from falling into well
08/15/2012CN202380995U Split type lifting hook
08/15/2012CN202380994U Beam hanger of oil pumping unit
08/15/2012CN202380993U Hydraulic winch for well drilling pipe delivery
08/15/2012CN202380992U Downhole pressure workover rig in oil field
08/15/2012CN1906375B Method and apparatus for assembling and disassembling tubing on spot of drilling
08/15/2012CN102635338A Safety protection device for bailing device in flexible bar of intelligent intermittent bailing type oil pumping unit
08/15/2012CN102635324A Hole-controlled idling antitheft lock of back room and key
08/15/2012CN102635320A Quick arc-shaped raised-edge drill rod dismounting device and method
08/15/2012CN102635319A Direct hydraulic cylinder type offshore drilling riser tensioning system
08/15/2012CN102041967B Recoverable track type deflection guider
08/15/2012CN101942976B Drill rod joint positioning and controlling method of continuous cycle drilling system
08/14/2012US8240968 Automated rod handling system
08/14/2012US8240391 Single joint elevator with gripping jaws and method of hoisting a tubular member
08/14/2012US8240372 Fluid power conducting swivel
08/14/2012US8240371 Multi-function sub for use with casing running string
08/14/2012DE202011100538U1 Bohranlage Drilling rig
08/14/2012CA2538625C Combination workover and drilling rig
08/09/2012WO2012106486A2 Downhole tool actuation
08/09/2012WO2012037313A3 Modular rig design
08/09/2012US20120201632 Impact absorbing access platform for drilling structures
08/09/2012US20120200101 Elevator Connector Device
08/09/2012US20120199368 Method and Device for Deploying a Cable and an Apparatus in the Ground
08/09/2012US20120199361 System and method for controlling liquid removal operations in a gas-producing well
08/09/2012US20120199360 Subsea Connection Apparatus for a Surface Blowout Preventer Stack
08/09/2012US20120199356 Equipment For Quick Dispersion Of Polyacrylamide Powder For Fracturing Operations
08/09/2012US20120199353 Wellbore injection system
08/08/2012EP2483515A1 An apparatus and method for containing fluid or gas released from a pipe
08/08/2012EP2483514A2 Well containment system
08/08/2012EP2483513A1 Pressure control device with remote orientation relative to a rig
08/08/2012CN202370459U Tube stem guiding type blowout prevention injection head
08/08/2012CN202370458U Iron driller
08/08/2012CN202370457U Automatic drill pipe mounting and dismounting machine
08/08/2012CN202370456U Power catwalk
08/08/2012CN202370455U Drill rod box
08/08/2012CN202370454U Special rope clamp for hair braid of oil pumping unit
08/08/2012CN202370453U Well opening chuck
08/08/2012CN202370452U Drill chip
08/08/2012CN202370451U Beam hanger
08/08/2012CN102628341A Top tensioning device for waterproof casing tube
08/08/2012CN102628340A Rope-winding driver for wire rope type marine riser tensioners
08/08/2012CN102627244A Underground electric jack boosted by liquid pressure through cable line operation
08/08/2012CN101852064B Hydraulic waste drilling machine
08/07/2012US8235125 System and method for terminating tubing
08/07/2012US8235121 Subsea control jumper module
08/07/2012US8235105 Mouse hole support unit with rotatable or stationary operation
08/07/2012US8235104 Apparatus for pipe tong and spinner deployment
08/07/2012US8234957 Internally retained jaw roller pin
08/04/2012CA2731037A1 Coiled tubing deployed esp
08/02/2012WO2012102966A2 Drill string components resistant to jamming
08/02/2012WO2012102804A1 Selective sleeve system and method of moving a sleeve
08/02/2012US20120195716 Tubular handling system and method for handling tubulars
08/02/2012US20120193105 Disconnect devices for downhole strings
08/02/2012CA2825533A1 Drill string components resistant to jamming
08/01/2012EP2480750A2 Wireline cable for use with downhole tractor assemblies
08/01/2012EP2142752B1 Apparatus and methods for tubular makeup interlock
08/01/2012EP1817476B1 Control line manipulating arm and method of using same
08/01/2012CN202360049U Sleeve alignment manipulator
08/01/2012CN202360048U Tensioner for blowout preventer (BOP) of self-elevating drilling platform
08/01/2012CN202360047U Adjustable power-measurement type rope hanging device of tower type pumping unit
08/01/2012CN202360046U Polished rod eye slightly-adjusting device
08/01/2012CN202360020U Floating device of drilling and exploring machine
08/01/2012CN102625776A Transporting and installing flexible pipe
08/01/2012CN102619478A Clamp type hoisting mechanism
07/2012
07/31/2012US8230991 Sub basket
07/31/2012US8230944 Post alignment tool
07/31/2012US8230934 Apparatus and method for directionally disposing a flexible member in a pressurized conduit
07/31/2012US8230933 Top drive casing system
07/31/2012US8230930 Mounts for blowout preventer bonnets and methods of use
07/26/2012WO2012100019A1 Tubular running device and method
07/26/2012WO2012098492A2 Drill rig
07/26/2012US20120186828 Composite Bow Centralizer
07/25/2012EP2478178A1 Riser tensioner
07/25/2012CN202348178U Opening and closing type guide device of drill rig
07/25/2012CN202348177U 门控安全装置 Gated safety device
07/25/2012CN202348176U Upper buckle inner-hole guide sleeve of drill rod
07/25/2012CN202348175U Rigger device
07/25/2012CN202348174U 猫道系统 Catwalk system
07/25/2012CN202348173U Automatic manipulator
07/25/2012CN202348172U Side-toppling preventing device for oil tube tackle
07/25/2012CN202348171U Lifting type drilling tool pipe frame platform for well drilling
07/25/2012CN202348170U Manual pipe bridge equipment for oil drilling platform
07/25/2012CN202348169U Pipe storage mechanism of oil drilling platform pipe bridge equipment
07/25/2012CN202348168U Novel wedge-shaped slip capable of keeping pipe undamaged
07/25/2012CN202348167U Hinge type slip suspender
07/25/2012CN202348166U Limit structure for pipe bridge equipment of oil drilling platform
07/25/2012CN202348165U Symmetric drill rod rotational clamping device
07/25/2012CN202348164U Seal elevator
07/25/2012CN202348163U Elevator drop-prevention handle
07/25/2012CN202348162U Wear prevention device for petroleum drilling water tap lifting ring
07/25/2012CN202348161U Manipulator for assembling and disassembling drill stem of myriameter well drill
07/25/2012CN202348160U Snap spring type lifting oil pipe seat
07/25/2012CN202348159U Oil pipe bridging device
07/25/2012CN202348116U Small-module assembly type offshore platform drilling rig
07/25/2012CN202346679U Lifting control system of main winch of rotary drilling machine
07/25/2012CN102606094A Drill pipe positioning, assembling and disassembling calipers
07/25/2012CN102606093A Sucker rod screwing machine
07/25/2012CN102606092A Hanging type adaptive automatic drill pipe string discharge device
07/25/2012CN102606091A Automatic treatment assembly for top drive pipe
07/25/2012CN102606090A Rubber sleeve chuck for drilling at large inclination angle
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