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)
08/2009
08/06/2009US20090196712 Pipe handling system and method
08/06/2009US20090196711 Pipe Handling Apparatus and Methods
08/06/2009US20090194296 Extended Length Cable Assembly for a Hydrocarbon Well Application
08/06/2009CA2815598A1 Pipe-handling apparatus and methods
08/06/2009CA2712526A1 Pipe-handling apparatus and methods
08/05/2009EP2085569A2 Automatic rotary drilling system for subsoil drilling of oil, mineral and water wells
08/05/2009EP2085568A1 Stand compensator
08/05/2009CN201284635Y Guiding system of multifunctional power pliers working device
08/05/2009CN201284634Y Fast connector for steel wire rope and rope socket
08/05/2009CN201284633Y Cable hoisting lift sub of electric heating rod
08/05/2009CN201284632Y Gas control and emergency system of oil-well rig winch
08/05/2009CN201284631Y Hinge lever type dual self-locking drilling rod calipers
08/05/2009CN201284630Y Drilling rod fastener, pliers damp buffering mechanism
08/05/2009CN100523427C Fingerboard with pneumatically actuated finger latches
08/04/2009US7568533 Pipehandler
08/04/2009US7568522 System and method for deflection compensation in power drive system for connection of tubulars
07/2009
07/30/2009WO2009094001A1 Sucker rod coupling extractor
07/30/2009WO2009093069A2 Method and apparatus for facilitating continuous circulation of drilling mud during construction and maintenance of a well
07/30/2009US20090188674 System and method for preventing buckling during a gravel packing operation
07/30/2009CA2712495A1 Sucker rod coupling extractor
07/30/2009CA2710564A1 Method and apparatus for facilitating continuous circulation of drilling mud during construction and maintenance of a well
07/29/2009EP1180224B1 Scr top connector
07/28/2009CA2476189C Wrenching tong
07/23/2009WO2009091265A1 Slip device for suspending a drill or casing string in a drill floor
07/23/2009WO2009089832A2 Handling device for pipes
07/23/2009US20090185883 Vertical offline stand building and manipulating system
07/23/2009US20090184529 Pipe pulling assembly
07/23/2009DE202009006050U1 Lafettenprofil Carriage profile
07/23/2009DE102008005135A1 Handhabungseinrichtung für Rohre Handling device for pipes
07/23/2009CA2712587A1 Clamping device for suspending a drill string or casing string from a drill floor
07/22/2009EP1971750B1 Top feed of control lines to a reciprocating spider
07/22/2009CN201276994Y Novel multifunctional power pliers
07/22/2009CN201276993Y Novel anti-propping slips
07/22/2009CN201276992Y Transverse beam type pipe clamping device
07/22/2009CN201276991Y Towing mechanism for above-ground operation
07/22/2009CN201276990Y Mist cooling system for winch brake
07/22/2009CN101487382A Drilling rod shifter
07/22/2009CN101487381A Digital wireless well workover weight-indicating anti-collision instrument
07/22/2009CN101487380A Vehicle-mounted full-automatic under-pressure minor overhaul operation combined unit and its construction method
07/21/2009US7562724 Rod transfer mechanism synchronizer apparatus and method
07/21/2009CA2517892C Tong
07/21/2009CA2507583C Casing running head
07/16/2009WO2009089416A2 Zonal testing with the use of coiled tubing
07/16/2009WO2009087371A1 Monitoring system for pipelines or risers in floating production installations
07/16/2009WO2009055213A3 Drill pipe elevators and methods of moving drill pipe
07/16/2009US20090178809 Methods and Apparatus for Well Construction
07/16/2009CA2711683A1 Zonal testing with the use of coiled tubing
07/15/2009EP2078133A1 Bit changer
07/15/2009CN201273159Y Bidirectional buffering mechanism of liquid-gas forceps transfer gas cylinder
07/15/2009CN201273158Y Hydraulic lifting apparatus for power pliers
07/15/2009CN201273157Y Slewing displacement apparatus of power pliers
07/15/2009CN201273156Y Winch configuration structure
07/15/2009CN101484658A Coupling for dual member pipe
07/15/2009CN100513735C Screw together technique of heavy caliber petroleum sheathed tube
07/15/2009CA2640111A1 Vertical offline stand building and manipulating system
07/14/2009US7559380 Traveling swivel frame assembly with fixed brackets
07/14/2009US7559371 Method and apparatus for centralizing through tubing milling assemblies
07/14/2009US7559365 Collapsible expansion cone
07/14/2009US7559360 Tong positioning and alignment device
07/14/2009CA2568431C Dual purpose blow out preventer
07/14/2009CA2540619C Make-up control system for tubulars
07/14/2009CA2496440C Height-adjustable pipe pick-up and laydown machine
07/14/2009CA2475631C Sealing expandable tubing
07/09/2009WO2009085780A2 System and method for snubbing under pressure
07/09/2009WO2009058508A3 Drilling assemblies and methods of drilling
07/09/2009WO2009055590A3 Pipe handling apparatus and method
07/09/2009WO2009037664A3 Universal sheave wheel adapter
07/09/2009WO2006007242A3 Side entry apparatus and method
07/09/2009US20090173504 Transverse magnetization of casing string tubulars
07/08/2009EP1289716B1 Pivoting support for power tool
07/08/2009CN201269057Y Turnbuckle clamp
07/08/2009CN201269056Y 伸缩臂 Telescopic
07/08/2009CN201269055Y Anti-jacking apparatus of polished rod
07/08/2009CN201269054Y Automatic bit feeding and emergency apparatus for oil-well rig
07/08/2009CN201269053Y Super capacitor bank energy accumulation type electric motor timing hoist tractor
07/08/2009CN100510312C Offshore production system and method for installing drilling/mending device thereon
07/07/2009CA2547944C Wrenching tong
07/07/2009CA2426020C Guide tube with threaded ends and waist
07/07/2009CA2403932C Method of joining metal oilfield tubulars and well provided therewith
07/02/2009WO2009082197A2 A tubulars storage device
07/02/2009WO2009080876A1 Method and devices for handling rod-like pieces in drilling and bolting
07/02/2009US20090166090 Top Drive Drilling Apparatus
07/01/2009EP2074276A1 Wellbore tool for filling, circulating and backflowing fluids
07/01/2009CN201265376Y Positioning device of multifunctional power clamp positioning device
07/01/2009CN201265375Y Light drilling tool lifting nipple
07/01/2009CN201265374Y Novel anti-collision over-winding valve of winch
07/01/2009CN101469604A Adjustable centering side hanging back-ups
07/01/2009CN101469603A Automatic assembling and disassembling system for drill pipe
07/01/2009CN100507202C Drilling column heave compensator for floating drill platform in the sea
06/2009
06/30/2009US7552775 Tailing in and stabbing device and method
06/30/2009US7552764 Tubular handling device
06/30/2009US7552762 Method and apparatus to provide electrical connection in a wellhead for a downhole electrical device
06/30/2009CA2482028C Adapter frame for a power frame
06/30/2009CA2465927C Winch and cable driven pipe snubbing apparatus
06/30/2009CA2345191C Power tong with improved door latch
06/25/2009WO2009056839A3 Tool storage assembly
06/25/2009US20090159294 Systems and methods for autonomous tripping of oil well pipes
06/25/2009US20090159271 Top drive systems for wellbore & drilling operations
06/24/2009CN201262051Y Compound hydraulic clamper
06/24/2009CN201262050Y Enforced shaft mouth centralizing apparatus for oil pumping well
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