| Patents for E21B 44 - Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions (5,356) |
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| 09/25/2013 | CN203214040U Well mouth control panel free of well site electric power |
| 09/25/2013 | CN203213955U Arch center pipe shed drilling rig |
| 09/25/2013 | CN103324133A Drilling machine integrated loop network communication control system based on PLC |
| 09/25/2013 | CN103323228A Mining drill fault intelligent identification method |
| 09/25/2013 | CN103321570A Downhole drill for granite cutting guide hole breaking and application method thereof |
| 09/24/2013 | CA2568593C Method and apparatus for performing chemical treatments of exposed geological formations |
| 09/19/2013 | WO2013138766A1 Apparatus and methods for determining whirl of a rotating tool |
| 09/19/2013 | US20130245950 Apparatus and methods for determining whirl of a rotating tool |
| 09/19/2013 | US20130241741 Downhole system having a wireless unit |
| 09/18/2013 | EP2638241A2 Sensor on a drilling apparatus |
| 09/18/2013 | EP2638240A2 Apparatus and method for automated drilling of a borehole in a subsurface formation |
| 09/18/2013 | CN103306662A On-line monitoring and diagnosing system of all-hydraulic drill |
| 09/18/2013 | CN102278065B Rotating steering tool, deflection mechanism thereof and control method for deflection mechanism |
| 09/18/2013 | CN102140910B Gas-liquid disc type brake control system |
| 09/18/2013 | CN102027185B Method for determining dead zone of valve |
| 09/17/2013 | US8534380 System and method for directional drilling a borehole with a rotary drilling system |
| 09/17/2013 | CA2704677C Automated electrical stability meter |
| 09/17/2013 | CA2546364C Method and system for controlling power consumption during a rock drilling process and a rock drilling apparatus therefore |
| 09/12/2013 | US20130234515 Rig fuel management systems and methods |
| 09/11/2013 | CN203188993U Excess load automatic protection and braking device |
| 09/11/2013 | CN103291282A Measurement while drilling system for drill carriage |
| 09/11/2013 | CN103291276A Pressure monitoring system based on coal-bed methane inflation underbalance |
| 09/11/2013 | CN103291275A Unlocking method and unlocking control system of rotary-drill and drill lock rod of rotary-drill |
| 09/11/2013 | CN103291274A Intelligent display control system for coal mine deep hole drilling vehicle |
| 09/11/2013 | CN103291216A Orientation system for horizontal drill of deep-hole drill carriage |
| 09/11/2013 | CN101936132B Reciprocating drill for mine |
| 09/06/2013 | WO2013130096A1 Downhole fluid flow control system having pressure sensitive autonomous operation |
| 09/06/2013 | CA2856828A1 Downhole fluid flow control system having pressure sensitive autonomous operation |
| 09/05/2013 | US20130228375 Navigation system |
| 09/05/2013 | US20130228374 Automated survey acceptance in dynamic phase machine automation system |
| 09/05/2013 | US20130228373 Apparatus Including Load Driven By a Motor Coupled to an Alternator |
| 09/04/2013 | CN103282600A System and method for performing downhole stimulation operations |
| 09/04/2013 | CN103282599A Low equivalent circulation density setting tool |
| 09/04/2013 | CN103277083A Pressure monitoring system based on coal bed gas double-sleeve double circulation |
| 09/04/2013 | CN103277048A Automatic sliding well drilling control device |
| 09/04/2013 | CN102535445B Molding device and molding method for long spiral extruding rock-entering cast-in-place pile |
| 09/04/2013 | CN101852076B Underground working condition simulation method for controlled pressure drilling experiment and test |
| 09/03/2013 | CA2686251C Rig control system architecture and method |
| 09/03/2013 | CA2512437C Method of controlling a well |
| 08/29/2013 | WO2013126074A1 Determining optimal parameters for a downhole operation |
| 08/29/2013 | US20130220620 Methods, devices, and kits relating to the implementation of gelled fluids having a transient gel microstructure |
| 08/28/2013 | CN103270243A Controlling vibrations in a drilling system |
| 08/28/2013 | CN103270242A Drilling method for drilling a subterranean borehole |
| 08/28/2013 | CN103266878A Straightening control method and straightening control device for automatic vertical drilling system |
| 08/28/2013 | CN102943620B Pressure-controlled drilling method based on drilling annulus wellbore multi-phase flow computing |
| 08/28/2013 | CN101581209B Auto-control symmetrical-steam-bleeding pipeline and use method thereof |
| 08/28/2013 | CN101525994B Measuring and monitoring system for oil wellhead |
| 08/27/2013 | CA2671822C Automated mse-based drilling apparatus and methods |
| 08/22/2013 | WO2013122606A1 Operation of multiple interconnected hydraulic actuators in a subterranean well |
| 08/22/2013 | WO2013122560A1 Method and apparatus for remotely controlling downhole tools using untethered mobile devices |
| 08/22/2013 | CA2858051A1 Method and apparatus for remotely controlling downhole tools using untethered mobile devices |
| 08/21/2013 | CN203145915U Automatic drill carriage drill pipe pose indicating device |
| 08/21/2013 | CN203145832U Deviation prevention control system for rock drilling tool |
| 08/21/2013 | CN203145831U Automatic numerical control drill carriage |
| 08/21/2013 | CN103261574A Remotely controlled apparatus for downhole applications and related methods |
| 08/21/2013 | CN103256036A Intelligent throttle control system used for drilling rig simulation operation platform |
| 08/21/2013 | CN103256015A Wellhead back pressure controlling system of managed pressure drilling and wellhead back pressure controlling method |
| 08/21/2013 | CN102322219B Submarine jet drilling vehicle |
| 08/21/2013 | CN101446191B Drilling well control parameter intelligent monitoring system |
| 08/20/2013 | CA2583169C Arrangement and method for controlling drilling parameters |
| 08/15/2013 | US20130206477 Well Prog Execution Facilitation System and Method |
| 08/14/2013 | EP2625379A2 Remotely controlled apparatus for downhole applications and related methods |
| 08/14/2013 | EP2625378A2 Remotely controlled apparatus for downhole applications, components for such apparatus, remote status indication devices for such apparatus, and related methods |
| 08/14/2013 | CN103249904A Method for controlling drilling unit of rock drilling rig, and rock drilling rig |
| 08/14/2013 | CN103244477A Hydraulic control system of intelligent brake of drilling machine |
| 08/14/2013 | CN101718182B Ball valve type inside and outside integrative downhole blow-out preventer |
| 08/13/2013 | US8505620 Method and system for accessing subterranean deposits from the surface and tools therefor |
| 08/13/2013 | CA2744419C Methods and systems for modeling, designing, and conducting drilling operations that consider vibrations |
| 08/08/2013 | WO2013115766A1 Systems and methods for modeling and triggering safety barriers |
| 08/07/2013 | EP2622176A1 Sensor-based control of vibrations in slender continua, specifically torsional vibrations in deep-hole drill strings |
| 08/07/2013 | CN203114265U Remote control device of drill truck |
| 08/07/2013 | CN103233718A Operation behavior detection circuit of large trenchless pipe laying driller |
| 08/07/2013 | CN103233717A Rotary drilling rig and control method, device and system thereof |
| 08/06/2013 | US8499855 Devices and methods for horizontal directional drilling with a boring tool library |
| 08/06/2013 | US8499829 Oilfield application framework |
| 08/01/2013 | WO2013112056A1 Method for reducing drillstring oscillations |
| 08/01/2013 | US20130192859 Top drive with automatic anti-rotation safety control |
| 08/01/2013 | CA2861990A1 Method for reducing drillstring oscillations |
| 07/31/2013 | EP2619413A1 Method and device for monitoring down-the-hole percussion drilling |
| 07/31/2013 | CN101818639B Automatic control device of oil pipe clamping mechanism of non-well killing workover rig |
| 07/25/2013 | WO2012066327A3 Drilling method for drilling a subterranean borehole |
| 07/25/2013 | US20130186687 Monitor and control of directional drilling operations and simulations |
| 07/24/2013 | CN103216192A Screw drilling robot with underground detection function |
| 07/18/2013 | WO2013105930A1 System and method for improved cuttings measurements |
| 07/18/2013 | US20130180779 Wellbore Conditioning System |
| 07/17/2013 | EP2614217A1 Improved rock drill |
| 07/17/2013 | CN203066955U Rotary drilling rig overturning-prevention control system and rotary drilling rig |
| 07/17/2013 | CN203066954U Rotary drilling rig and drill rod breaking-proof system thereof |
| 07/17/2013 | CN103210176A Remotely controlled apparatus for downhole applications, components for such apparatus, remote status indication devices for such apparatus, and related methods |
| 07/17/2013 | CN103206200A Automatic control system of rock drill |
| 07/17/2013 | CN102352725B Drilling jet type coal seam cutting system |
| 07/17/2013 | CN102121373B Lifting system of hollow traveling block drill |
| 07/16/2013 | CA2723610C Method for determining dead zone of valve |
| 07/11/2013 | WO2013103706A1 Directional drilling target steering apparatus and method |
| 07/11/2013 | US20130175091 Method and device for monitoring down-the-hole percussion drilling |
| 07/11/2013 | CA2764210A1 Cord (controled remote drilling) |
| 07/10/2013 | CN203050668U Drilling control system |
| 07/10/2013 | CN203050530U Long spiral drilling machine and drilling depth control device thereof |
| 07/10/2013 | CN103195405A System and method of directing-type rotary steering actuator mandrel displacement vector control |
| 07/10/2013 | CN102155163B Deepwater multifunctional water pump drilling system and installation method thereof |