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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02/19/2014 | CN103597166A High pressure multibore junction assembly |
02/19/2014 | CN103597165A Variably configurable wellbore junction assembly |
02/19/2014 | CN103597164A Wellbore junction completion with fluid loss control |
02/19/2014 | CN103591429A Lubricating pump station used for port machinery |
02/19/2014 | CN103590767A Front handle structure of pipe twisting machine shell body |
02/19/2014 | CN103590766A Drill rod padding fork |
02/19/2014 | CN103590765A Oil-gas well under-pressure operation well head breakout device |
02/19/2014 | CN103590764A 钻具输送方法 Drill delivery method |
02/19/2014 | CN103590763A Blowout preventer transportation and installation device of oil drilling platform |
02/19/2014 | CN103590762A Hydraulic drive oil tube elevator |
02/19/2014 | CN103590761A Rotatable lifter |
02/19/2014 | CN103590760A Water connector type lifter |
02/19/2014 | CN103590759A Suspension device for small boring machine |
02/19/2014 | CN103590758A Oil field polished rod bridle MC (Monomer casting) nylon movable pulley assembly |
02/19/2014 | CN102016223B Pipe handling apparatus and methods |
02/18/2014 | US8651200 Tool guide device for a drill floor |
02/18/2014 | US8651177 Long-lasting hydraulic seals for smart shuttles, for coiled tubing injectors, and for pipeline pigs |
02/18/2014 | US8651176 Method of running a pipe string having an outer diameter transition |
02/18/2014 | US8651175 Top drive output torque measurement method |
02/18/2014 | CA2784722C Device for a safety connector for a pipe string suspension |
02/18/2014 | CA2725201C Monitoring flow rates while retrieving bottom hole assembly during casing while drilling operations |
02/18/2014 | CA2718929C Coupling apparatus |
02/18/2014 | CA2671339C Method and apparatus for active heave compensation |
02/18/2014 | CA2607837C Pipe handling device and safety mechanism |
02/13/2014 | WO2014026038A1 Pipe joint apparatus and method |
02/13/2014 | WO2014025965A1 Rotary actuated cutter module system and methodology |
02/13/2014 | WO2014025769A1 Hybrid expansion cone |
02/13/2014 | WO2014025335A1 Well cable management |
02/13/2014 | WO2013054274A3 Locking mechanism |
02/13/2014 | US20140041864 Method and System For Evaluating Groups of Threaded Connections |
02/13/2014 | US20140041855 Mobile hydraulic workover rig |
02/13/2014 | US20140041854 Stabberless Elevator Assembly with Spider Interlock Control |
02/13/2014 | US20140041853 Coiled Tubing Injector Skate |
02/12/2014 | EP2694771A1 Rotating control device with positive drive gripping device |
02/12/2014 | EP2694770A2 An injector head for coiled tubing systems |
02/12/2014 | EP2694769A1 A tubing reel assembly for coiled tubing systems |
02/12/2014 | CN203430445U Anti-disengaging mechanism for teeth of hydraulic-pneumatic tongs |
02/12/2014 | CN203430444U Breakout device for underground drill rig |
02/12/2014 | CN203430443U Conveying device |
02/12/2014 | CN203430442U Retaining pile used for storing well drilling tools |
02/12/2014 | CN203430441U Hydraulic clamping device |
02/12/2014 | CN203430440U Anti-impact hydraulic clamping device |
02/12/2014 | CN203430423U Environment-friendly drag type horizontal directional drilling machine |
02/12/2014 | CN103573197A Hydraulic slip |
02/11/2014 | US8646536 Capillary hanger arrangement for deploying control line in existing wellhead |
02/11/2014 | US8646522 Method of gripping a tubular with a tubular gripping mechanism |
02/11/2014 | US8646240 Method and apparatus for forming a mast assembly |
02/11/2014 | CA2741270C Retrievable slip mechanism for downhole tool |
02/11/2014 | CA2730568C Grip extension linkage to provide gripping tool with improved operational range, and method of use of the same |
02/11/2014 | CA2707050C Top drive system |
02/11/2014 | CA2686627C Electrically sequenced tractor |
02/07/2014 | CA2823100A1 A coiled tubing injector head skate |
02/06/2014 | WO2014022536A1 Extended duration section mill and methods of use |
02/06/2014 | WO2014022338A1 Drill bit with a force application device using a lever device for controlling extension of a pad from a drill bit surface |
02/06/2014 | WO2013074468A3 Weight-based interlock apparatus and methods |
02/06/2014 | US20140034334 Interference-fit stop collar and method of positioning a device on a tubular |
02/06/2014 | US20140034332 Workstring Disconnect Tool and Method of Use |
02/06/2014 | US20140034329 Backup Heave Compensation System and Lifting Arrangement for a Floating Drilling Vessel |
02/06/2014 | US20140034292 Tubing injector with built in redundancy |
02/05/2014 | CN203420656U Hydraulic flexible slip hanger |
02/05/2014 | CN203420653U Rod pumped well load shock absorber |
02/05/2014 | CN203420652U Pressure-balanced and controllable workover treatment device |
02/05/2014 | CN203420651U Well mouth two-purpose lifting jack |
02/05/2014 | CN103556965A Fixed rotating restoration column petroleum drilling device |
02/05/2014 | CN103556964A Drum tightening device |
02/05/2014 | CN103556963A Jaw structure for iron roughneck |
02/05/2014 | CN103556962A Fine adjusting mobile device of iron roughneck |
02/05/2014 | CN103556961A Elastic floating guide rail for iron roughneck main and back-up wrenches |
02/05/2014 | CN103556960A Drilling tool conveying device |
02/05/2014 | CN103556959A Automatic transverse transferring device for oil drilling string |
02/05/2014 | CN103556958A Clamping structure for core drilling machine |
02/04/2014 | US8640781 Method and device for deploying a cable and an apparatus in the ground |
02/04/2014 | US8640780 Torque wrench system having multiple torque stations |
02/04/2014 | US8640777 Expandable anchoring mechanism |
02/04/2014 | US8640767 Push / pull system and support structure for snubbing unit on a rig floor |
02/04/2014 | CA2699175C Adjustable pipe guide for use with an elevator and/or a spider |
01/30/2014 | WO2014018519A1 System for conveying fluid from an offshore well |
01/30/2014 | WO2014018026A1 Time delayed secondary retention mechanism for safety joint in a wellbore |
01/30/2014 | WO2013076207A3 A compensator |
01/30/2014 | US20140030046 Pipe handling apparatus |
01/30/2014 | US20140030045 Pipe pick-up and lay down apparatus |
01/30/2014 | US20140028042 Gripping assembly and gripping members for a grapple attachment |
01/30/2014 | US20140027395 Modular pipe basket |
01/30/2014 | US20140027106 Dual Rack Mast for a Well Servicing Vehicle |
01/29/2014 | EP2689095A2 System and method for controlling the pressure in a hydrocarbon well |
01/29/2014 | CN203412556U Anti-twisting device for beam hanger |
01/29/2014 | CN203412528U Dropping-preventing device for unthreaded rod of pumping well |
01/29/2014 | CN203412527U Self-propelled small-tonnage guy-rope-free hydraulic disc-brake workover rig |
01/29/2014 | CN203412526U Device for converting medium sealed in under-pressure operating well |
01/29/2014 | CN103547769A Formation treatment system and method |
01/29/2014 | CN103547766A Easy drill slip with degradable materials |
01/29/2014 | CN103541672A Drilling machine rod change device |
01/29/2014 | CN103541671A Automatic loading and unloading platform for drill rod group |
01/29/2014 | CN103541670A Automatic installing and detaching device of drill rod of horizontal directional drilling machine |
01/29/2014 | CN103541669A Split type slip |
01/29/2014 | CN103541668A Method and device for lifting well field pole and starting and stopping elevator in mechanized workover treatment |
01/29/2014 | CN102287147B Drill rod clamping device |
01/28/2014 | US8636446 Trenchless ducting apparatus frame |
01/28/2014 | US8636087 Rotating control system and method for providing a differential pressure |
01/28/2014 | US8636067 Method and apparatus for performing cementing operations on top drive rigs |