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)
03/2012
03/27/2012US8141923 Single joint elevator having deployable jaws
03/27/2012CA2667347C Liner anchor for expandable casing strings
03/27/2012CA2496162C Wellbore drilling system and method
03/22/2012WO2012037313A2 Modular rig design
03/22/2012WO2012037130A1 Pump down liner expansion method
03/22/2012WO2012036630A1 Raised cantilever for easy access (rcea) used on self elevating drilling rigs (offshore energy sector)
03/22/2012US20120070225 Hydraulically actuated safety lock ring
03/22/2012US20120067642 Multi-Operational Multi-Drilling System
03/21/2012EP2430285A2 Subsea winch
03/21/2012EP2176505B1 Winch assembly
03/21/2012CN202170767U 车载阀的布置结构 Car valve arrangement
03/21/2012CN202170766U 油管举升输送装置 Pipe lifting delivery device
03/21/2012CN202170765U 新型全自动小鼠洞气动卡盘 New automatic small mousehole pneumatic chuck
03/21/2012CN202170764U 一种液压大钳用的自动对正颚板 A hydraulic tongs with automatic alignment of the jaws
03/21/2012CN202170756U 钻机井架起升装置 Rig derrick lifting device
03/21/2012CN102383748A Novel injection head turning device
03/21/2012CN102383747A Positioning mechanism for floating rails of fast spinning device
03/21/2012CN102383746A Floating guide rail
03/21/2012CN102383745A Hydraulic lifting pipe conveyer for oil drilling platform
03/21/2012CN102383744A Pipe arranging device for headframe
03/21/2012CN102383743A Drilling machine
03/21/2012CN102383742A Quick elevator for drill rod
03/21/2012CN102383741A Sleeve clamping device for full-sleeve and full-slewing drilling machine
03/21/2012CN102383740A Embossing rod lifter of well drilling machine
03/21/2012CN102383723A Seabed type conical investigating and drilling integrated machine
03/21/2012CN102383721A Multi-head gripper for full-sleeve full-rotation drill
03/21/2012CN101769130B Method for conveying drill pipe used for oil drilling on/off drill stand
03/21/2012CN101379268B Upper beam for a telescopic feeder, telescopic feeder and drilling device for rock drilling
03/21/2012CA2715613A1 Coil tubing seam remover
03/20/2012US8136603 Method of preventing dropped casing string with axial load sensor
03/20/2012CA2678206C Top drive well casing system and method
03/20/2012CA2562509C Telescopic feed beam for rock drill
03/20/2012CA2560124C Apparatus and method to connect two parts without rotation
03/15/2012WO2012033793A2 Two speed direct drive drawworks
03/15/2012WO2012032384A1 Method for automatic handling of drilling rods and tubular wellbore casing elements, excavation equipment, and associated computer program.
03/15/2012US20120061504 Transporting and installing flexible pipe
03/15/2012US20120061101 Method of running a pipe string having an outer diameter transition
03/15/2012CA2810646A1 Two speed direct drive drawworks
03/15/2012CA2810333A1 Method for automatic handling of drilling rods and tubular wellbore casing elements, excavation equipment, and associated computer program
03/15/2012CA2810279A1 A seafastening apparatus for a tensioner assembly
03/14/2012CN202165035U 用于钻装机的油管收放装置 Tubing installed retractable device for drilling
03/14/2012CN202165034U Anti-drop protecting device for injection head
03/14/2012CN202165033U 抽油机的断杆保护器 Pumping off the rod protector
03/14/2012CN102373891A Punching-buckling clamps
03/14/2012CN102373890A Oil-pumping polished rod connector
03/13/2012US8132626 Methods and apparatus for connecting tubulars using a top drive
03/13/2012US8132618 Systems for retarding rod string backspin
03/13/2012US8132617 Gripper block
03/13/2012CA2617028C A drill pipe handling and moving system
03/08/2012WO2012027838A1 Floating sub tool
03/08/2012US20120055683 System and methods for tubular expansion
03/08/2012US20120055682 Elevator Grip Assurance
03/08/2012US20120055674 Detecting and correcting unintended fluid flow between subterranean zones
03/08/2012US20120055294 Oilfield tubular spin-in and spin-out detection for making-up and breaking-out tubular strings
03/08/2012CA2772895A1 Floating sub tool
03/07/2012EP2425091A2 An improved means of pipe handling
03/07/2012EP2425090A1 A tubulars storage and handling system
03/07/2012EP2425085A2 Variable force/variable frequency sonic drill head
03/07/2012CN202157765U Traction device of continuous oil pipe
03/07/2012CN202157764U 坑道钻机及其装卸钻杆液压系统 Drilling rig and drill hydraulic loading and unloading systems
03/07/2012CN202157763U 液压钳气动推拉装置 Hydraulic clamp pneumatic push-pull device
03/07/2012CN202157762U 抽油机井新型悬绳器 The new hanging rope pumping wells
03/07/2012CN202157761U 带后动力输出的轮式通井机 With rear wheel power output hoist
03/07/2012CN202156464U Continuous oil pipe semitrailer
03/07/2012CN1863983B A tubular component provided with mutually oriented threaded elements, and a method for producing it
03/07/2012CN102367726A Punching clipper bracket device with positioning function
03/07/2012CN101748977B Drill collar lifting clamp capable of bearing torsion
03/07/2012CN101440698B Sea petroleum door type clamping chuck apparatus
03/06/2012US8128332 Header structure for a pipe handling apparatus
03/06/2012US8127854 System and method for rigging up well workover equipment
03/06/2012US8127837 Sealed well cellar
03/06/2012US8127836 Top drive with an airlift thread compensator and a hollow cylinder rod providing minimum flexing of conduit
03/06/2012CA2552557C Load ring for lifting by elevator, of casing having no upset
03/01/2012WO2012025804A1 Parking and automatic handling equipment of drilling rods and associated drilling machine
03/01/2012WO2012006327A3 Fiber support arrangement and method
03/01/2012WO2012001406A3 A method of installing a buoy and apparatus for tensioning a buoy to an anchoring location
03/01/2012WO2011162617A3 A telescopic elevator bail, vessel comprising such the elevator bail and method of using the elevator bail
03/01/2012WO2011060773A3 Device for securing pipes having various diameters
03/01/2012WO2011060772A3 Device for handling pipes
03/01/2012US20120048574 Fill up tool
03/01/2012US20120048573 Multiple offset slim connector
03/01/2012US20120048567 Modular subsea completion
03/01/2012US20120048542 Anti-locking device for use with an arm system for logging a wellbore and method for using same
03/01/2012US20120048535 Method and apparatus for cutting and removing pipe from a well
03/01/2012US20120048534 Independent guide string hanger
03/01/2012US20120048533 Connector for use with top drive system
03/01/2012CA2811983A1 Parking and automatic handling equipment of drilling rods and associated drilling machine
02/2012
02/29/2012EP2422041A1 Stabilizer for pipe handling equipment
02/29/2012EP2422039A1 Telescopically extending shaft
02/29/2012CN202152651U 履带式坑道钻机及其液压系统 Crawler drilling rig and hydraulic systems
02/29/2012CN202152650U 新型液压分离悬绳器 New hydraulic separator hanging rope
02/29/2012CN202152649U 可调式悬臂移动架 Adjustable cantilever moving frame
02/29/2012CN202152632U 一种钻探机构 A method of drilling agency
02/29/2012CN102364037A Manual pipe bridge equipment of oil drilling platform
02/29/2012CN102364036A Mechanical anti-jack slip
02/29/2012CN102364035A Controllable auxiliary pin device
02/28/2012US8123438 Ram style tensioner
02/28/2012US8122960 Spoolable coiled tubing spear for use in wellbores and methods of using same
02/23/2012WO2012022987A2 Well intervention
02/23/2012WO2012021927A1 Centraliser
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