| 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) |
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| 04/11/2013 | US20130089393 Tubular Positioning System |
| 04/11/2013 | US20130087387 Method for managing drilling pipes, drilling tools, well tubing, and the like in ground drilling |
| 04/11/2013 | CA2792116A1 Portable pipe handling system |
| 04/11/2013 | CA2790878A1 Temporary support device for oil well tubes and method of use |
| 04/10/2013 | EP2578797A1 Method for managing drilling rods, drilling tools, borehole piping and the like for boreholes |
| 04/10/2013 | EP2576973A2 Compact cable suspended pumping system for lubricator deployment |
| 04/10/2013 | EP2576410A2 Gripping assembly and gripping members for a grapple attachment |
| 04/10/2013 | CN202866694U Drill pipe holder |
| 04/10/2013 | CN202866693U Fluid splash-proof device of oil tube interlock lead-in in mechanical operation with pressure |
| 04/10/2013 | CN202866692U Petroleum drilling tool ramp transferring device |
| 04/10/2013 | CN202866691U Back off slip special for small drilling tool |
| 04/10/2013 | CN202866690U Slips handle |
| 04/10/2013 | CN202866689U Torque-bearing centralizing power slip |
| 04/10/2013 | CN202866688U Anti-slip type polished rod clip |
| 04/10/2013 | CN202866687U Drill collar hanging wear-resisting device |
| 04/10/2013 | CN202866686U Rotary drilling rig and double-channel hydraulic power transmission hoisting swivel elevator thereof |
| 04/10/2013 | CN202866685U Under-pressure energy storage workover rig |
| 04/10/2013 | CN202866667U Dowel type tool joint passing rotary plate redressing device |
| 04/10/2013 | CN202866649U Excavator with drilling jig function |
| 04/10/2013 | CN202866646U Drill mast type engineering driller equipped with hydraulic lifting device |
| 04/10/2013 | CN103038438A A method and a system for controlling movements of a free-hanging tubular |
| 04/10/2013 | CN103038437A Installation of tubular strings with lines secured thereto in subterranean wells |
| 04/10/2013 | CN103032038A Operation robot for drilling platform |
| 04/10/2013 | CN103032037A Full-automatic discharging conveyer for drilling rods |
| 04/10/2013 | CN103032036A Full-automatic discharging conveying device for drilling rods |
| 04/10/2013 | CN103032035A Pipe-taking device for petroleum drilling platform |
| 04/10/2013 | CN103032034A Method for managing drilling rods, drilling tools, borehole piping and the like for boreholes |
| 04/10/2013 | CN102213076B Vertical shaft type drilling machine with long feeding travel |
| 04/10/2013 | CN102140897B Automatic racking device for drill rod |
| 04/10/2013 | CN101672168B Workover operation mechanization system replacing well mouth manual operation |
| 04/09/2013 | US8413959 Probe bar remover |
| 04/09/2013 | US8413740 Fastener gun washer assembly holding device and method of use |
| 04/09/2013 | US8413728 Break-out assembly for a drilling machine |
| 04/09/2013 | US8413723 Methods of using enhanced wellbore electrical cables |
| 04/09/2013 | CA2590505C A system for handling pipes between a pipe rack and a derrick, and also a device for assembling and disassembling pipe stands |
| 04/04/2013 | WO2013049634A1 Umbilical technique for robotic mineral mole |
| 04/04/2013 | WO2013048643A1 Method and system for hydraulic fracturing |
| 04/04/2013 | WO2013013147A3 High pressure tie back receptacle and seal assembly |
| 04/04/2013 | WO2012174097A3 Magnetic particle induced plugging resistant magnetic coupling |
| 04/04/2013 | WO2012166930A3 Method of reducing deflection through a rod piston in a subsurface safety valve |
| 04/04/2013 | WO2012166400A3 Wellbore junction completion with fluid loss control |
| 04/04/2013 | CA2850005A1 Simultaneous clamp and torque drive |
| 04/04/2013 | CA2848205A1 Method and system for hydraulic fracturing |
| 04/03/2013 | EP2574719A2 Gearbox with multi-function quill |
| 04/03/2013 | CN202850898U Frictional self-locking drill rod clamping mechanism |
| 04/03/2013 | CN202850897U Drill carriage automatic drill rod changing control system |
| 04/03/2013 | CN202850896U Automatic bar feed mechanical arm for mine field well drilling |
| 04/03/2013 | CN202850895U Anti-collision pipe rack |
| 04/03/2013 | CN202850894U Novel mouse hole device |
| 04/03/2013 | CN202850893U Double channel drill stem hydraulic power piston pressure adding tool |
| 04/03/2013 | CN202850892U Lower freezing pipe clamp |
| 04/03/2013 | CN202850891U Welded type top rail of runner wagon |
| 04/03/2013 | CN202850890U Lifting tool for connecting casing |
| 04/03/2013 | CN103016044A Comprehensive method of drilling, permeability increasing, repairing and gas-driven displacing of drill hole underground coal mine |
| 04/03/2013 | CN103015939A Protective device for thermal recovery well mouth |
| 04/03/2013 | CN103015922A Drill rod holding device for trenchless horizontal directional drilling machine |
| 04/03/2013 | CN103015921A Safety interlock for control lines |
| 04/03/2013 | CN103015920A Hook block assembly intermediate body capable of continuously rotating with load |
| 04/03/2013 | CN103015919A Upright post device for full-casing-pipe full-slewing drilling machine |
| 04/03/2013 | CN103015918A Upright post structure for operation of fully slewing drilling machine |
| 04/03/2013 | CN103015917A Clamp device |
| 04/03/2013 | CN102251518B Rotary pump perforating piling machine |
| 04/03/2013 | CN102052059B Dual-cylinder double-spring double-anchor hydraulic chuck |
| 04/03/2013 | CN101864915B Continuous tube injection head control device |
| 04/03/2013 | CN101365859B Method and device for positioning a power tong at a pipe joint |
| 04/02/2013 | US8408617 Gripping device for gripping underwater pipelines at the laying stage, and relative auxiliary gripping tool |
| 04/02/2013 | US8408334 Stabbing apparatus and method |
| 04/02/2013 | US8408318 Method of expanding a tubular element in a wellbore |
| 04/02/2013 | US8408315 Multilateral expandable seal |
| 04/02/2013 | US8408288 System for conducting jointed pipe and coiled tubing operations |
| 04/02/2013 | CA2687548C Composite spoolable tube |
| 04/02/2013 | CA2579911C Coiled tubing equipment lifting methods |
| 03/29/2013 | CA2774698A1 Propulsion generator and method |
| 03/28/2013 | WO2013043489A2 Permeable lost circulation drilling liner |
| 03/28/2013 | WO2013041775A1 Drilling boom, drilling rig and method for using a drilling rig |
| 03/28/2013 | WO2012170326A3 Controllably releasable shifting tool |
| 03/28/2013 | WO2012166324A3 High pressure multibore junction assembly |
| 03/28/2013 | WO2012007724A3 Tubing apparatus and associated methods |
| 03/28/2013 | US20130075114 Torque reaction device for pipe running tool |
| 03/28/2013 | US20130075113 Method and apparatus for connecting tubulars using a top drive |
| 03/28/2013 | US20130075077 Modular Apparatus for Assembling Tubular Goods |
| 03/27/2013 | EP2573314A1 Guide funnel |
| 03/27/2013 | EP2572071A1 Breakout tool |
| 03/27/2013 | CN202833897U Coiled oil pipe roller automatic calandria drive system |
| 03/27/2013 | CN202832311U Automatic coiled tubing arranging device |
| 03/27/2013 | CN202832310U Fixing structure with clamping blocks capable of being replaced quickly for coiled pipe injection head |
| 03/27/2013 | CN202832309U Coiled pipe injection head drive device |
| 03/27/2013 | CN202832308U Iron roughneck light and convenient to use |
| 03/27/2013 | CN202832307U Numerical control operating line in oil well maintenance |
| 03/27/2013 | CN202832306U Automatic rod installing device |
| 03/27/2013 | CN202832305U Reversing jam releaser for oil pumping rod |
| 03/27/2013 | CN202832304U Power tong automatic door interlocking mechanism |
| 03/27/2013 | CN202832303U Novel efficient hydraulic casing pipe tong |
| 03/27/2013 | CN202832302U Drilling equipment holding device loading and unloading drill rod through machines |
| 03/27/2013 | CN202832301U Drilling machine hydraulic system |
| 03/27/2013 | CN202832300U Airtight oil tube buckling device |
| 03/27/2013 | CN202832299U Multi size hydraulic driving slips |
| 03/27/2013 | CN202832298U Hydraulic pressure clamping back-off plier |
| 03/27/2013 | CN202832297U Hydraulic cylinder driven pipe arranging device with translation feature |
| 03/27/2013 | CN202832296U Drill rod lifting device on drilling equipment |