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)
02/2010
02/04/2010CA2732199A1 Draw-works for the maneuvering of drilling devices
02/03/2010CN201396399Y Special planetary gear train for oil pipe wrench
02/03/2010CN201396119Y Winch intelligent vertical balance type pumping device
02/03/2010CN201396083Y Novel power tongs clamping device
02/02/2010US7654332 Apparatus and methods for radially expanding a tubular member
02/02/2010US7654325 Methods and apparatus for handling and drilling with tubulars or casing
02/02/2010US7654314 Chemical delivery system for plunger lift
02/02/2010US7654313 Method and assembly for casing handling using a kelly rig
01/2010
01/28/2010WO2010010326A2 Pipeline entry system
01/28/2010WO2009149156A3 Spring-loaded rod handling device
01/28/2010WO2009102216A3 Riser support system
01/28/2010US20100021271 Drill rod handler
01/28/2010US20100021239 Drilling rig placed on the sea bed and equipped for drilling of oil and gas wells
01/28/2010US20100018721 Device to insert a flexible member into pressurized wellhead housing
01/28/2010US20100018716 Adjustable Hanger for Inner Production Riser
01/28/2010US20100018697 Securement of Lines to Well Sand Control Screens
01/28/2010US20100018693 Pipeline entry system
01/27/2010CN201391254Y Untwisting device for beam hanger of oil pumping unit
01/27/2010CN201391253Y Double hair braids hanger
01/27/2010CN201391252Y Hose drilling workover rig
01/27/2010CN201391251Y Adjustable-type back-frame on-vehicle hydraulic energy-storage workover rig
01/27/2010CN201391227Y Automatic explosive-decreasing device for geophysical prospecting shot hole
01/27/2010CN101636552A Tubular handling device
01/26/2010US7650951 Resettable actuator for downhole tool
01/26/2010US7650947 One trip system for circulating, perforating and treating
01/26/2010CA2582468C Vertically folding service arm for a movable platform offshore drilling or servicing rig
01/26/2010CA2548704C Method and apparatus for offline standbuilding
01/26/2010CA2547167C System, method and apparatus for conducting earth borehole operations
01/26/2010CA2544718C Tailing in and stabbing device
01/21/2010WO2010006445A1 Grip extension linkage to provide gripping tool with improved operational range, and method of use of the same
01/21/2010WO2010006441A1 Tricam axial extension to provide gripping tool with improved operational range and capacity
01/21/2010WO2009146010A3 Casing stabbing guide
01/21/2010WO2009140515A3 Sonic latch mechanism
01/21/2010US20100013664 Method and apparatus for determining position in a pipe
01/21/2010US20100012376 Monolithic movable rotary well drilling rig
01/21/2010US20100012329 Casing mandrel for facilitating well completion, re-completion or workover
01/21/2010US20100012317 Rcd hydraulic stripping adapter
01/21/2010CA2730568A1 Grip extension linkage to provide gripping tool with improved operational range, and method of use of the same
01/21/2010CA2730562A1 Tricam axial extension to provide gripping tool with improved operational range and capacity
01/20/2010EP2146048A1 A monolithic movable rotary well drilling rig
01/20/2010CN201386519Y Base of drill bit unscrewing device
01/20/2010CN201386518Y Anti-collision device of continuous oil pipe operation machine
01/20/2010CN201386506Y Multi-station rat hole device
01/20/2010CN101629478A Safe oil pipe elevator device
01/20/2010CN101629477A Energy-saving and emission-reducing petroleum well servicing rig
01/19/2010US7647978 Perforating gun connector
01/19/2010CA2507788C Apparatus and methods for connecting tubulars
01/14/2010WO2010005318A1 Guide part device
01/14/2010WO2009143461A3 Downhole cable
01/14/2010US20100006298 High Capacity Wellhead Connector Having a Single Annular Piston
01/14/2010CA2795548A1 Work string controller
01/14/2010CA2795175A1 Work string controller
01/13/2010EP2143873A1 Tension ring lifting assembly
01/13/2010EP2143817A2 A seamless steel tube for work-over riser and method of manufacturing
01/13/2010EP2142752A2 Apparatus and methods for tubular makeup interlock
01/13/2010EP2142711A2 Extension bridges and methods of tender assist
01/13/2010CN201381835Y Flexible automatic reversing intelligent oil pumping unit
01/13/2010CN201381811Y Tube pressurizing device
01/13/2010CN100580216C Anti-prop slips capable of dragging
01/13/2010CN100580215C Telescopic feed beam for rock drill
01/12/2010US7644785 Geothermal heat loop installation
01/12/2010US7644782 Method for correcting positioning errors in rock drilling, and rock drilling equipment
01/12/2010CA2407983C Radial expansion of tubular members
01/07/2010WO2010002992A1 Method and apparatus for making up and breaking out threaded tubular connections
01/07/2010WO2010002268A1 Lifting device for a floating installation
01/07/2010US20100000742 Expanded non-bonded mesh well screen
01/07/2010US20100000067 Battery For A Power Tool With A Battery Pack Ejector
01/07/2010CA2637330A1 Snubbing jack
01/06/2010CN201377297Y Precisely-positioned feed rod clip
01/05/2010US7640999 Coiled tubing and drilling system
01/05/2010CA2451263C Methods and apparatus for applying torque and rotation to connections
12/2009
12/31/2009US20090321134 Auger downforce unit for use on tractor 3-point hitch mounted earth augers
12/31/2009US20090321086 Power Screw Actuator for Pipe Gripper
12/31/2009US20090321064 Tubular handling device
12/31/2009DE10123250B4 Bohr-und Ankersetzgerät mit Bohrstangenzentrierung Drilling and bolting device with Bohrstangenzentrierung
12/30/2009WO2009158429A2 Tubular handling device and methods
12/30/2009WO2009158327A2 A device and system for well completion and control and method for completing and controlling a well
12/30/2009WO2009156764A1 Tubular handling device
12/30/2009WO2009156722A2 Spoolable riser hanger
12/30/2009WO2009156639A1 Device for mounting a flexible line on structure, and related equipment and method
12/30/2009WO2009156575A1 Drill bit magazine, drill bit holder, and method for changing drill bit in rock drilling unit
12/30/2009WO2009156574A1 Rock-drilling unit, drill bit changer, and method for changing drill bit
12/30/2009WO2009137840A9 Oil well plug and abandonment method
12/30/2009CN201372747Y Tool string quick connector for rope operation
12/30/2009CN201372746Y Head rope clamp
12/30/2009CN201372745Y Oil extractor beam hanger for preventing rotation
12/30/2009CN201372744Y Flat-tail rope clamp
12/30/2009CN201372743Y Crown block anti-collision device of on-vehicle drilling and repairing machine
12/30/2009CN101614116A Rapidly detachable tile mechanism of clamping block for injection head of coiled oil tube
12/30/2009CN101614115A Injection head chain anti-shaking device
12/30/2009CN101614114A Self-fishing up-running preventing slip
12/30/2009CA2729540A1 Spoolable riser hanger
12/30/2009CA2729205A1 Tubular handling device
12/30/2009CA2727954A1 Tubular handling device and methods
12/30/2009CA2727856A1 Drill bit magazine, drill bit holder, and method for changing drill bit in rock drilling unit
12/30/2009CA2722260A1 Rock-drilling unit, drill bit changer, and method for changing drill bit
12/29/2009US7637329 Methods and systems for drilling auxiliary holes
12/29/2009CA2519676C Telescopic feed beam for rock drill and method of measuring rock drill travel
12/29/2009CA2413544C High torque power tong
12/24/2009US20090315003 Post puller
1 ... 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 ... 172