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)
12/2012
12/05/2012CN202578571U Drill stem elevator for anti-slurry rotary drilling rig
12/05/2012CN202578570U Installation structure of cathead and rotary drilling rig
12/05/2012CN202578569U Protector for pulled-apart and falling polish rod
12/05/2012CN202578568U Anti-twisting beam hanger for oil extractor
12/05/2012CN202578567U Petroleum well drilling tool receiving and dismantling device
12/05/2012CN202578566U Novel pedal guardrail
12/05/2012CN202578565U Slide rail for oil workover rig
12/05/2012CN202578564U Mechanism used for slideway folding device
12/05/2012CN202578563U Novel racking platform overturning pedal railing
12/05/2012CN202578562U Lifting device of drilling machine
12/05/2012CN202578561U Safety anti-collision device for overhead travelling crane
12/05/2012CN202578533U Novel racking platform flexible footboard railing
12/05/2012CN202578509U Inclined and straight well driller
12/05/2012CN102808587A Double-elastic-clamp in-place locking wire line coring suspension positioning mechanism
12/04/2012US8322686 Apparatus for applying and removing rail clips onto rail ties
12/04/2012US8322437 Method and system for confining and salvaging oil and methane leakage from offshore locations and extraction operations
12/04/2012US8322436 Split assembly attachment device
12/04/2012US8322412 Method of running a pipe string having an outer diameter transition
12/04/2012CA2696269C Clamping and breaking device
11/2012
11/30/2012CA2778400A1 Electronic tong torque system and related methods of use
11/29/2012WO2012162157A2 Formation treatment system and method
11/29/2012WO2012161587A1 Method and arrangement for establishing and operating a riser less coiled tubing
11/29/2012WO2012160544A1 Movement control system for a drilling plant
11/29/2012WO2012106452A3 Coiled tubing module for riserless subsea well intervention system
11/29/2012US20120298377 Velocity Strings
11/29/2012US20120297933 Attachment for making up or breaking out pipe
11/29/2012CA2837350A1 Movement control system for a drilling plant
11/29/2012CA2837339A1 Wireline apparatus
11/29/2012CA2834794A1 Formation treatment system and method
11/28/2012EP2527584A2 Rod-mounting apparatus for a drilling apparatus
11/28/2012EP2526251A2 Coiled tubing compensation system
11/28/2012CN202560129U Petroleum casing engaging device
11/28/2012CN202560128U A clamper and a shackle unit using the clamper
11/28/2012CN202560127U Oil pipe lifting device for well workover operation
11/28/2012CN202560126U Auxiliary operation tool for pneumatic handheld help anchor rod drilling machine
11/28/2012CN202560125U Well drilling mouth elevator transporting device
11/28/2012CN202560096U Telescopic boom open rock drilling wagon with drill rod changing device
11/28/2012CN102803645A Drilling system and method of operating a drilling system
11/28/2012CN102803643A Device and method for drilling with continous tool rotation and continous drilling fluid supply
11/28/2012CN102797424A Rotation device for drill rod
11/28/2012CN102797423A Drilling rod conveying device for drilling type coal mining machine
11/28/2012CN102155156B High-speed hydraulic drilling machine
11/28/2012CN101365860B Apparatus for gripping a tubular on a drilling rig
11/28/2012CN101287887B Pipe running tool having wireless telemetry
11/27/2012US8317448 Pipe stand transfer systems and methods
11/27/2012US8316954 Apparatus and method for separating a downhole tubular string into two parts
11/27/2012US8316947 System and method for deployment of a subsea well intervention system
11/27/2012US8316932 Wellbore system
11/27/2012US8316930 Downhole tubular connector
11/27/2012US8316929 Tubular guiding and gripping apparatus and method
11/27/2012CA2680806C Methods and apparatus for make up and break out of tubular connections
11/27/2012CA2547707C Holding wrench for rock drilling machine and rock drilling machine including such a holding wrench
11/22/2012WO2012159062A2 Seal around braided cable
11/22/2012WO2012158900A2 Managing tensile forces in a cable
11/22/2012WO2012158823A1 Floating vessel for supporting well head surface equipment
11/22/2012WO2012158261A1 Easy drill slip with degradable materials
11/22/2012WO2012156320A1 Device for attaching a first element to a retaining flange of a second element, associated installation and method
11/22/2012WO2012125404A3 Remote subterranean tool activation system
11/22/2012WO2012118851A3 Disconnect assembly for cylindrical members
11/22/2012US20120292116 Vortex Controlled Variable Flow Resistance Device and Related Tools and Methods
11/22/2012US20120292051 Seal around braided cable
11/22/2012US20120292048 Managing Tensile Forces in a Cable
11/22/2012US20120292046 Cement head
11/22/2012US20120292032 Wellbore treatment apparatus and method
11/22/2012US20120292010 Apparatus and methods for tubular makeup interlock
11/22/2012CA2835739A1 A restraining device for a tensioner assembly
11/22/2012CA2835638A1 Seal around braided cable
11/22/2012CA2834715A1 Easy drill slip with degradable materials
11/22/2012CA2834071A1 Multi-position mechanical spear for multiple tension cuts while removing cuttings
11/21/2012EP2524106A2 Electric subsea coiled tubing injector apparatus
11/21/2012EP2524105A2 Drilling machine and method
11/21/2012CN202544776U Hydraulic rod centralizer of raise boring machine
11/21/2012CN202544775U Direct transmission type hydraulic powered back-up tong with multi-tong dies
11/21/2012CN202544774U Drilling tool automatic exhaust device
11/21/2012CN202544773U Well-drilling auxiliary mousehole structure
11/21/2012CN202544772U Guide track beam for propulsion of rock drilling machine
11/21/2012CN202544771U Propulsion beam structure for rock drilling
11/21/2012CN202544770U Anti-deflection rope hanger of oil pumping unit
11/21/2012CN202544769U Lifting rope sealer of oil pumping machine
11/21/2012CN202544768U Electric pulley block for oil pipe
11/21/2012CN202544741U Door-shaped drive drilling machine with twin tower teeth
11/21/2012CN1930363B Clamping apparatus, drill string component and rock drilling rig
11/21/2012CN102787814A Semi-automatic rod replacing device of hydraulic rock drilling rig
11/21/2012CN102787813A Intelligent full-hydraulic power catwalk
11/21/2012CN101967961B Hydraulic lifting device special for workover operation tubes and rods
11/21/2012CN101539002B Flexible automatic reverse intelligent oil pumping machine
11/21/2012CN101509366B Weight dropper machine controlled door case type petroleum pumping unit
11/21/2012CN101278103B Pipe-handling apparatus
11/20/2012US8312937 Battery for a power tool with a battery pack ejector
11/20/2012US8312934 Control line retention and method for retaining control line
11/20/2012US8312933 Marine drilling riser system
11/20/2012US8312932 Capillary hanger arrangement for deploying control line in existing wellhead
11/15/2012WO2012012559A4 Inflatable restraint system
11/14/2012EP2521835A2 Rotating continuous flow sub
11/14/2012EP2521834A2 Method and apparatus for supplying drill pipes to and removing them from a drilling apparatus
11/14/2012CN202531061U Fixture mechanism of rod replacing mechanism of deep sea drilling machine
11/14/2012CN202531060U Automatic borer change control system of rock drilling carriage
11/14/2012CN202531059U Pipe column compression device
11/14/2012CN202531058U Running and pulling oil pipe hydraulic controlled elevator
11/14/2012CN202531057U Pliers-like lifting mechanism
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