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