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)
08/2013
08/13/2013US8505636 Wellhead assembly having a nested tubing head
08/13/2013US8505635 Device for a top drive drilling machine for continuous circulation of drilling mud
08/13/2013US8505633 Weakpoint coupling of selectively adjustable load bearing capacity
08/13/2013CA2613118C System and method for relocating extended length objects
08/13/2013CA2551364C Coiled tubing dimple connection
08/08/2013WO2013116090A1 Passive offshore tension compensator assembly
08/08/2013WO2013115904A1 Pipe conveyor apparatus
08/08/2013WO2013065013A3 Drilling arrangement
08/08/2013US20130199793 Well intervention
08/08/2013DE102012100989A1 Vorrichtung zum Bewegen eines Arbeitsmittels im Erdreich Apparatus for moving a working fluid in the ground
08/07/2013CN203114213U Engineering drill rod cushion fork
08/07/2013CN203114212U Oil pipe conveying device
08/07/2013CN203114211U Oil cylinder abutting type clamp holder capable of increasing force
08/07/2013CN203114210U Grounded rotary liftable drilling tool system for pile drivers
08/07/2013CN203114209U Feed system for drilling machine
08/07/2013CN203114208U Oil pumping rod bail elevator with safety lock
08/07/2013CN203114207U Mine tunnel drill hoisting device
08/07/2013CN203114206U Engineering drill rod lifter
08/07/2013CN203114205U Electric workover rig
08/07/2013CN203114171U Horizontal directional drilling machine provided with bracket
08/07/2013CN203114167U Light drilling machine capable of implementing wire-line coring drilling
08/07/2013CN203114157U Small-hole type engineering driller
08/07/2013CN103233691A Large-dip-angle drill pipe delivering device supporting coal drilling rig
08/07/2013CN103233690A Anti-releasing elevator for oil drilling
08/07/2013CN103233689A Wellhead hydraulic blowout prevention pipe lifting device
08/07/2013CN102364035B Controllable auxiliary pin device
08/07/2013CN101769126B Hydraulic middle-drive retractable multi-spindle drilling and stirring device
08/06/2013US8499840 Downhole release joint with radially expandable member
08/06/2013CA2677248C Shoulder ring with axial retention means, and methods for installing same
08/06/2013CA2621483C Water powered impulsive unit
08/06/2013CA2510212C Method and system to deploy control lines
08/01/2013WO2013112290A1 Tubular anchoring system and method
08/01/2013WO2013110119A1 Rod loader attachment
08/01/2013WO2012141870A3 Circulation and rotation tool
08/01/2013WO2012109409A3 Impact absorbing access platform for drilling structures
08/01/2013US20130195583 Pipe conveyor apparatus
08/01/2013US20130195559 Seafastening apparatus for a tensioner assembly
08/01/2013US20130192895 Device and Method for Drilling with Continuous Tool Rotation and Continuous Drilling Fluid Supply
08/01/2013US20130192844 Passive offshore tension compensator assembly
08/01/2013US20130192842 Method and Apparatus to Perform Subsea or Surface Jacking
08/01/2013US20130192817 Apparatus for Aligning Tubulars During Placement in a Well
08/01/2013US20130192427 Apparatus for connecting or disconnecting a threaded coupling between two riser joints
07/2013
07/31/2013EP2619399A1 Coiled tubing injector with limited slip chain
07/31/2013EP2619398A2 Apparatus and methods for limiting movement of gripping members
07/31/2013CN203102019U Remote control device
07/31/2013CN203097764U Injection head mounting device
07/31/2013CN203097763U Rod detaching sleeve chuck device
07/31/2013CN203097762U Tube processor driving device for top drive system
07/31/2013CN203097761U Toothed plate
07/31/2013CN203097760U Low-stress dotted-dent rough surface tong die
07/31/2013CN203097759U Preposed drill rod arranging and placing device for tongue platform of racking platform
07/31/2013CN203097758U Oil rod layer board of oil pipe lifting device
07/31/2013CN203097757U Suspended slip of sucker rod
07/31/2013CN203097756U Low-stress damage-free rough surface tooth plate
07/31/2013CN203097755U Hydraulic bidirectional-control slip
07/31/2013CN203097754U Supporting leg of oil pipe hydraulic pressure lifting device
07/31/2013CN203097715U Double power wheel type drifting machine
07/31/2013CN203097706U Top-drive opposite-opening type lifting ring adapter
07/31/2013CN103228860A Method for automatic handling of drilling rods and tubular wellbore casing elements, excavation equipment, and associated computer program.
07/31/2013CN103225483A On/off unidirectional self-locking rolling body pincer teeth of oil pipe column
07/31/2013CN102373890B Oil-pumping polished rod connector
07/31/2013CN102199998B Injection head device of continuous oil pipe
07/31/2013CN101903614B Method and devices for handling rod-like pieces in drilling and bolting
07/30/2013US8496280 Remotely operated single joint elevator
07/30/2013US8495930 Power tong device
07/30/2013US8495806 Tooling
07/25/2013WO2013109412A1 Method and apparatus of distributed systems for extending reach in oilfield applications
07/25/2013WO2013109394A1 Counter device for selectively catching plugs
07/25/2013WO2013109393A1 Downhole activation system using magnets and method thereof
07/25/2013WO2013109148A2 Well drilling tubulars bin system, and method for use of system
07/25/2013US20130186643 Large diameter tubular lifting apparatuses and methods
07/25/2013US20130186642 Torque wrench system having multiple torque stations
07/25/2013US20130186641 Structures having cavities containing coupler portions
07/25/2013DE102012100493A1 Vorrichtung und Verfahren zur Handhabung von Gestängeelementen, also Rohren, Stangen und Gestängezügen für Bohrgeräte und Bohranlagen Apparatus and method for handling link elements, ie pipes, rods and rod coatings for drilling rigs and drilling equipment
07/24/2013EP2617938A2 Apparatus and method for handling rod-like elements, i.e. tubes, bars and rods for drilling machines and drilling systems
07/24/2013EP2616636A1 Pump down liner expansion method
07/24/2013CN203081893U Connecting rod hydraulic oil cylinder used on hydraulic elevator
07/24/2013CN203081356U Drill stem guiding device convenient for drill stem to move in directional drilling
07/24/2013CN203081355U Kelly bushing aligning device
07/24/2013CN203081354U Multifunctional drill bit box supporting seat
07/24/2013CN203081353U Clamping mechanism of moving swing pipe
07/24/2013CN203081352U Manipulator capable of locating clamping center
07/24/2013CN203081351U Multifunctional back-off device
07/24/2013CN203081350U Pipe and rod integrated combined type hydraulic clamp
07/24/2013CN203081349U Drill rod screw-off mechanism
07/24/2013CN203081348U Safety device of hydraulic pincers
07/24/2013CN203081347U Sucker-rod back-up tongs
07/24/2013CN203081346U Back-up wrench shell
07/24/2013CN203081345U Catwalk device with drill stem supports
07/24/2013CN203081344U Combined type interchangeable multi-drill-stem drill stem storeroom
07/24/2013CN203081343U Novel polish rod elevator
07/24/2013CN203081342U Well face mechanization idler wheel device for petroleum well repairing
07/24/2013CN203081341U Dead line stabilizer of drilling rig derrick
07/24/2013CN203081340U Lamp circuit system of vehicle carrying workover rig
07/24/2013CN203081339U Guy adjusting lead screw
07/24/2013CN203081321U Mechanical device capable of being used for carrying out ceiling drilling operations on ground
07/24/2013CN203081313U Drill floor widening footboard
07/24/2013CN203081287U Guardrail and pedal device of vehicle-mounted workover rig
07/24/2013CN203081284U Intelligent hydraulic integrated open-air down-the-hole drill
07/24/2013CN203081274U Catwalk ladder
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