Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells › E21B 19 - Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
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)
04/2014
04/15/2014CA2440581C Jaw insert for gripping a cylindrical member and method of manufacture
04/10/2014WO2014055891A1 System for increasing swelling efficiency
04/10/2014WO2014055693A2 Method and apparatus for handling a tubular
04/10/2014WO2014055516A2 Compensating bails
04/10/2014WO2014055364A1 Cutting and pulling tool with double acting hydraulic piston
04/10/2014WO2014055061A1 Releasing a downhole tool
04/10/2014WO2014055060A1 Load cross-over slip-joint mechanism and method of use
04/10/2014WO2013107726A3 An apparatus for treating the inner surface of a cylindrical element
04/10/2014WO2013102110A3 Internal pipe gripping tool
04/10/2014US20140099175 Alarm systems and methods for preventing improper lifting of tubular members
04/10/2014US20140096651 Well head wrench
04/10/2014DE102012019850A1 Method for monitoring drill pipes, involves driving outer bar by rotary drive before rotational position of outer bar is checked, during axial displacement of drill pipe is occurred by performing rotating movement in opposite direction
04/09/2014EP2715053A2 Method of reducing deflection through a rod piston in a subsurface safety valve
04/09/2014EP2715042A2 Wireline apparatus
04/09/2014EP2715041A2 High pressure multibore junction assembly
04/09/2014EP2715040A1 Variably configurable wellbore junction assembly
04/09/2014EP2715039A2 Wellbore junction completion with fluid loss control
04/09/2014EP2715038A2 A restraining device for a tensioner assembly
04/09/2014EP2715035A1 Optimized pressure drilling with continuous tubing drill string
04/09/2014CN203531806U Guide supporting device capable of adjusting central height of drill pipe
04/09/2014CN203531805U Air coiled tubing unit
04/09/2014CN203531804U Novel injection head support frame fine adjustment mechanism
04/09/2014CN203531803U Pipe clamping mechanism of drilling machine
04/09/2014CN203531802U Rod replacing device of drilling machine
04/09/2014CN203531801U Automatic drill rod taking device for oil field drilling
04/09/2014CN203531800U Oil tube moving noise reduction buffer
04/09/2014CN203531799U Holder for drilling machine
04/09/2014CN203531798U Multifunctional drill pipe clamp holder with higher transmission stability
04/09/2014CN203531797U Hydraulic drive oil tube elevator
04/09/2014CN203531796U Anti-loosening crescent type oil pipe elevator
04/09/2014CN203531795U Polish rod energy-saving and anti-attrition connecting device
04/09/2014CN203531794U Drilling tool conveying pushing component
04/09/2014CN203531793U Safe and rapid operation well head device for offshore oil well
04/09/2014CN203531792U Oil tube moving auxiliary device
04/09/2014CN103717828A Downhole tool and method of use
04/09/2014CN103717827A Downhole tool and method of use
04/09/2014CN103717826A Downhole tool and method of use
04/09/2014CN103717825A Downhole tool and method of use
04/09/2014CN103711448A Tubing arrangement switch device of drum of coiled tubing operation machine and control system of tubing arrangement switch device
04/09/2014CN103711447A Truck-mounted drilling rig rod changing device
04/09/2014CN103711446A Mechanism for screwing off drill rod
04/09/2014CN103711445A Multi-pipe-diameter single hydraulic top drive back-up wrench and clamping technology thereof
04/09/2014CN103711444A Cold assembly device used for connection of aluminum alloy drill stem body and steel connector
04/09/2014CN103711443A Position detecting device for drilling tool during convey
04/09/2014CN103711442A Double-travelling-slip device with two slip mechanisms in up-down and symmetrical arrangement
04/09/2014CN103711441A Drilling tool elevator arranged on power head drilling machine and used for making up and breaking out
04/09/2014CN102733767B Hydraulic assistance device for unhooking
04/09/2014CN102606088B Gear-rack displacement multiplication type drill string heave compensator for floating drilling platform
04/09/2014CN102606087B Gear-rack drill string heave compensator for floating drilling platform
04/09/2014CN102536139B Movement mechanism for conveying drill columns for drilling platform
04/08/2014US8690508 Telescoping jack for a gripper assembly
04/08/2014US8689906 Methods and apparatus for reducing stick-slip
04/08/2014US8689901 Electric power tool
04/08/2014US8689899 Three dimentional (3D) robotic micro electro mechanical systems (MEMS) arm and system
04/08/2014US8689889 Downhole magnet tool and method of assembly
04/08/2014US8689881 Offshore unit and method of installing wellhead platform using the offshore unit
04/08/2014US8689866 Automated systems and methods for make-up and break-out of tubulars
04/08/2014US8689863 External grip tubular running tool
04/08/2014US8689862 Tube/pipe spooling device
04/08/2014CA2724860C Tubing injector with built in redundancy
04/03/2014WO2014048697A1 Method of interconnecting a drill rod with a drill string by means of a threaded connection, rod handling system and drill rig
04/03/2014WO2014048067A1 Hydraulic energy-storage petroleum drilling and repairing machine capable of tripping double joints or three-joint unit
04/03/2014WO2012176182A3 Drilling apparatus with continuous rotation while tubular is being added
04/03/2014US20140093347 Methods for handling tubulars useful during cleaning and inspection operations
04/03/2014US20140090856 Compensating bails
04/02/2014EP2713003A1 Method of interconnecting a drill rod with a drill string by means of a threaded connection, rod handling system and drill rig
04/02/2014CN203515395U Automatic rod installing mechanical hand for full hydraulic anchoring drilling machine
04/02/2014CN203515394U Miniature hydraulic spinner
04/02/2014CN203515393U Iron roughneck
04/02/2014CN203515392U Iron roughneck main and back clamp thread compensation support block
04/02/2014CN203515391U Large-torque makeup and breakout unit capable of rotating continuously by 360 degrees
04/02/2014CN203515390U Raised pup joint disassembling and buckling device
04/02/2014CN203515389U Buffering protection device of operation makeup and breakout machine
04/02/2014CN203515388U Novel automatic tube arranging mechanical arm
04/02/2014CN203515387U Pipe conveying power device
04/02/2014CN203515386U Power rat hole
04/02/2014CN203515385U Racking platform drill-pipe stand supporting device
04/02/2014CN203515384U Auxiliary tool for jacking casing
04/02/2014CN203515383U Hydraulic clamping device
04/02/2014CN203515382U Fast-changing slips type chuck
04/02/2014CN203515381U Clamp for full hydraulic anchoring drilling machine
04/02/2014CN203515380U Multifunctional fastener
04/02/2014CN203515379U Drill-pipe carriage driving device
04/02/2014CN203515378U Wedge type single lifting ring prevention device
04/02/2014CN203515377U Rotation device for hydraulic elevator
04/02/2014CN203515376U Hooking and dragging device for oil sucking rod
04/02/2014CN203515375U Novel extension hanging ring
04/02/2014CN203515374U Oil well polish rod breakage and coming-off preventing incessant pumping device
04/02/2014CN203515373U Rapid connection device for hoisting and releasing oil tube
04/02/2014CN203515372U Lifting device for well mouth tubular column
04/02/2014CN203515371U Drilling machine cable rapid carrying and switching device
04/02/2014CN103703212A Pipe-in-pipe apparatus, and methods and systems
04/02/2014CN103696712A Coiled tubing injector with strain relief
04/02/2014CN103696711A Robot for drilling operation
04/02/2014CN103696710A Overground operating string delivery mechanism
04/02/2014CN103696709A Boosting automatic centering clamping device with upper opening
04/02/2014CN103696708A Tubular-column holder
04/02/2014CN103696700A Well drilling device for double-wellhead operation
04/02/2014CN102661125B Hydraulic integral-type tensioning ring of water separation tube
04/02/2014CN102606094B Drill pipe positioning, assembling and disassembling calipers
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