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)
11/2013
11/06/2013CN203271641U Guide dust-eliminating device for drill hole
11/06/2013CN203271638U Tripping equipment of flexible composite oil pipe columns
11/06/2013CN203271637U Torque arm assembly for top-drive back-up wrench
11/06/2013CN203271636U Novel single-step lifting tongs
11/06/2013CN203271635U Safe dismounting device for smooth round drill rod
11/06/2013CN203271634U Automatic pipe arranging system of marine drilling platform
11/06/2013CN203271633U Slips internally-locking system and pressure operation machine
11/06/2013CN203271632U Sleeve holder and lower sleeve device
11/06/2013CN203271631U Hydraulic drill rod slip
11/06/2013CN203271630U Drilling machine facilitating tightening of drill stem dragging plate driving steel rope
11/06/2013CN203271629U Pressure device of drilling tool of inclined shaft drilling rig
11/06/2013CN203271628U Come-off preventing hoisting clamp capable of installing and detaching quickly
11/06/2013CN203271627U Novel split type oil pumping machine suspension device
11/06/2013CN203271626U Device for preventing polish rod from falling from pumping unit
11/06/2013CN203271625U Device for automatically picking and hanging lifting rings
11/06/2013CN203271624U Safety hoisting device for wireless inclinometer
11/06/2013CN203271623U Hydraulic blowout preventing pipe lifting device for wellhead
11/06/2013CN203271622U Clamping device for all-casing drilling rig
11/06/2013CN103382821A Automatic centering shackle device
11/06/2013CN103382820A Power rat hole device of marine drilling platform
11/06/2013CN103382819A Novel permanent-magnet-type separable transport trolley of power catwalk machine
11/06/2013CN103382818A Safety pin capable of preventing elevator from falling off
11/06/2013CN103382809A Vehicle-mounted electric hydraulic vibratory well drilling machine
11/06/2013CN102606092B Hanging type adaptive automatic drill pipe string discharge device
11/06/2013CN102536141B Automatic drill-rod-replacing control system for rock-drilling drill carriage
11/06/2013CN102418475B Telescopic arm open-cut rock drilling jumbo with drill rod replacing device
11/06/2013CN102251750B Holder
11/06/2013CN101775970B 抽油机 Pumping
11/06/2013CN101652530B Top drive apparatus
11/06/2013CN101139917B Method and device for mounting and approaching blowout preventer bonnets
11/05/2013US8573329 Rotation inhibiting apparatus
11/05/2013US8573324 Battery for a power tool
11/05/2013US8573312 Apparatus for applying an axial force to well pipe slips
11/05/2013US8573294 Cable bypass and method for controlled entry of a tubing string and a cable adjacent thereto
10/2013
10/31/2013WO2013163607A1 Magnetic retrieval tool
10/31/2013WO2013162970A2 Force application reduction employing actuator
10/31/2013WO2013162563A1 Subsea telescoping and rotatable sub
10/31/2013WO2013162377A1 Drilling device and method for using the same
10/31/2013WO2013160672A2 Moveable joint
10/31/2013WO2013159203A1 Slip assembly
10/31/2013WO2013159202A1 Casing running tool
10/31/2013WO2013159187A1 Mechanical roughneck positioner
10/31/2013WO2013036145A3 Petroleum well intervention winch system
10/31/2013WO2013036135A4 Control equipment for a torque device for oil field use and method for operation of same
10/31/2013WO2013036134A4 An apparatus for positioning of a clamp body and a method for operating a clamp body
10/31/2013WO2012156303A3 A restraining device for a tensioner assembly
10/31/2013US20130284450 Drilling installation and offshore drilling vessel with drilling installation
10/31/2013US20130284448 Lifting Device Having Hinged Segments
10/31/2013US20130284434 System and Method of Coiled Tubing Depth Determination
10/31/2013US20130284433 Force application reduction employing actuator
10/31/2013US20130283589 Attachment for making up or breaking out pipe
10/30/2013EP2655785A1 Drilling installation and offshore drilling vessel with drilling installation
10/30/2013CN203257348U Hydraulic drill carriage caliper table wear resisting device
10/30/2013CN203257347U Chuck of drill rod of drilling machine
10/30/2013CN203257346U Coupling clamping-type casing running device
10/30/2013CN203257345U Anti-disengaging elevator
10/30/2013CN203257329U Dual-power well repairing vehicle
10/30/2013CN103380258A System and method for positioning a bottom hole assembly in a horizontal well
10/30/2013CN103380257A Tubular handling device and methods
10/30/2013CN103375139A Linkage multi-jaw hydraulic power back-up wrench
10/30/2013CN103375138A Drill pipe straight-arm derrick of drilling platform
10/30/2013CN103375137A Square clamp for clamping screw pump polish rod
10/29/2013US8567836 Gripping assembly and gripping members for a grapple attachment
10/29/2013US8567514 Manipulatable spider components adapted for cooperation with a vertically reciprocating control line guide
10/29/2013US8567513 Hydraulic surface connector
10/29/2013US8567512 Apparatus for gripping a tubular on a drilling rig
10/29/2013US8567511 Method and apparatus for running casing in a wellbore with a fluid driven rotatable shoe
10/29/2013CA2634375C Coiled tubing swivel assembly
10/24/2013WO2013158652A2 Wellsite control employing three-dimensional imaging
10/24/2013WO2013158243A1 Polish rod seal
10/24/2013WO2013157936A2 A drilling vessel and a method making use of said drilling vessel
10/24/2013WO2013156133A2 Pipe rack and method for feeding and removing tubular bodies to and from a drilling installation
10/24/2013WO2013155734A1 Coiled tubing clamping mechanism and injector head using clamping mechanism
10/24/2013WO2013155588A1 Spin wrench assembly
10/24/2013WO2012115778A3 Drill string adapter and method for inground signal coupling
10/24/2013US20130276291 Tongs With Low Torque at High Pressure
10/23/2013EP2652239A2 Electronic control system for a tubular handling tool
10/23/2013CN203248107U Drilling machine auxiliary drilling tool demounting device
10/23/2013CN203248106U Multi-purpose lifting and unfreezing pipe pulling device
10/23/2013CN203248105U General barrel type rod elevator
10/23/2013CN203248091U Main drill rod and auxiliary drill rod reloading device of truck-mounted drilling rig
10/23/2013CN203248072U Self-walking shale gas drilling machine
10/23/2013CN203248064U Pneumatic drilling machine propelling system
10/23/2013CN203248060U Hydraulic drilling rig for drilling in coal mine
10/23/2013CN103370491A Travel joint having an infinite slot mechanism for space out operations in a wellbore
10/23/2013CN103362493A Rotatable adaptive compensator of coiled tubing test string
10/23/2013CN103362464A Multifunctional hydraulic power slip
10/23/2013CN103362463A Key based on LED lamp alarm
10/23/2013CN103362462A Integrated vehicle-mounted snubbing operation workover rig
10/22/2013US8562269 Drilling apparatus
10/22/2013US8561717 Articulating drill with integrated circuit board and method of operation
10/22/2013US8561714 Hand-held power tool
10/22/2013US8561685 Mobile hydraulic workover rig
10/22/2013CA2765236C Top drive apparatus and method for gripping a tubular
10/22/2013CA2576893C Housing arrangement
10/22/2013CA2508998C Pipe-handling apparatus
10/17/2013WO2013154566A1 Plunger-type wire riser tensioner
10/17/2013WO2013154527A1 Pressure activated contingency release system and method
10/17/2013WO2013092911A3 Casing and adapter for producing a mechanical connection between a top drive and a casing
10/17/2013US20130269926 Tubular handling apparatus
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