| 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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| 05/16/2013 | WO2013012509A3 Remote manipulation and control for subterranean tools |
| 05/16/2013 | US20130118810 Boring tool control using remote locator |
| 05/16/2013 | US20130118808 Methods For Geosteering A Drill Bit In Real Time Using Surface Acoustic Signals |
| 05/16/2013 | US20130118807 Methods For Geosteering A Drill Bit In Real Time Using Drilling Acoustic Signals |
| 05/15/2013 | EP2592224A2 Methods and systems for drilling |
| 05/15/2013 | EP2592223A2 Methods and systems for drilling |
| 05/15/2013 | EP2592222A2 Methods and systems for drilling |
| 05/15/2013 | CN202937245U Underground operation machine safety protection device |
| 05/15/2013 | CN202937244U Head-up transparent weight indicator for well drilling |
| 05/15/2013 | CN103109040A Monitoring of drilling operations with flow and density measurement |
| 05/15/2013 | CN102359347B Machine-locked drilling machine, drilling rod monitoring method, controller and monitoring system thereof |
| 05/15/2013 | CN102022081B Method and device for drilling under condition of complicated stratum |
| 05/14/2013 | US8439128 Device for cleaning and doping equipment for threads |
| 05/14/2013 | CA2706501C Mechanical actuator with electronic adjustment |
| 05/10/2013 | WO2013066990A2 Tubular catcher system and method |
| 05/10/2013 | WO2013066746A1 Method and system for predicting a drill string stuck pipe event |
| 05/10/2013 | WO2013066596A1 Method for measurement screening under reservoir uncertainty |
| 05/10/2013 | CA2853446A1 Method for measurement screening under reservoir uncertainty |
| 05/10/2013 | CA2852765A1 Method and system for predicting a drill string stuck pipe event |
| 05/08/2013 | EP2588890A2 Systems and methods for compressing data and controlling data compression in borehole communication |
| 05/08/2013 | DE102011117866A1 Earth drilling apparatus has motor-gear unit, operating and holding unit, which is connected to motor-gear unit and auger, where motor-gear unit and auger are connected by torque-load limiting device |
| 05/08/2013 | CN202926309U Hydraulic motor multifunctional automatic drill feeding system for petroleum drilling machine |
| 05/08/2013 | CN202926308U Truck-mounted drilling rig operation control system |
| 05/08/2013 | CN202926205U Tunnel construction multifunctional drilling machine electric control system |
| 05/08/2013 | CN103097654A Improved rock drill |
| 05/08/2013 | CN103089231A Driving system of self-elevating type ocean platform |
| 05/08/2013 | CN103089148A Control system special for down-the-hole drill carriage |
| 05/02/2013 | WO2013062525A1 Methods and systems for providing a package of sensors to enhance subterranean operations |
| 05/02/2013 | WO2013062409A1 A method of and a device and an electronic controller for mitigating stick-slip oscillations in borehole equipment |
| 05/02/2013 | CA2853276A1 A method of and a device and an electronic controller for mitigating stick-slip oscillations in borehole equipment |
| 05/02/2013 | CA2853274A1 Methods and systems for providing a package of sensors to enhance subterranean operations |
| 05/01/2013 | CN202916652U Electricity transmission control system for petroleum drilling equipment |
| 05/01/2013 | CN202914068U Changing-oil-into-electricity driving system electric control room used for oil drilling equipment |
| 05/01/2013 | CN202914067U Driller operation box used for grid electrical drilling machine |
| 05/01/2013 | CN103080474A Method and system for controlling a power source at a rock drilling apparatus and rock drilling apparatus |
| 05/01/2013 | CN103080473A Apparatus and method for mining coal |
| 05/01/2013 | CN103075141A Solid control system adopting touch screen as control mode |
| 05/01/2013 | CN101600850B Designing drilling pattern for excavating rock cavern |
| 04/30/2013 | CA2605045C Real time telemetry |
| 04/25/2013 | WO2013059079A1 Optimization of a multi-period model for valuation applied to flow control valves |
| 04/25/2013 | WO2013056444A1 Method for monitoring drill rod of mechanical lock drilling rig and controller, monitoring system and drilling rig |
| 04/25/2013 | WO2013003151A3 Control of downhole safety devices |
| 04/25/2013 | US20130098683 System and Method for Monitoring and Controlling Underground Drilling |
| 04/25/2013 | US20130098682 Optimized reaming system based upon weight on tool |
| 04/24/2013 | CN202900245U Oil well drilling parameter recording system |
| 04/24/2013 | CN103069101A Method and system for controlling a compressor at a rock drilling apparatus and a rock drilling apparatus |
| 04/24/2013 | CN103061738A Rotary drilling rig and auxiliary construction system and method thereof |
| 04/24/2013 | CN103061737A Anti-overturning control system and control method for rotary drilling rig |
| 04/24/2013 | CN103061736A Rotary drilling rig construction management system and rotary drilling rig |
| 04/24/2013 | CN103061735A Rotary drilling rig dynamic display control system and rotary drilling rig |
| 04/24/2013 | CN102220864B Hydraulic control system for rotation system of horizontal directional drilling machine |
| 04/24/2013 | CN102220863B Valve-controlled automatic confluence hydraulic system for horizontal directional drilling machine |
| 04/24/2013 | CN102022106B Drill stem connector automatic screwing control device and method |
| 04/24/2013 | CN101842194B A pulse generating device and a rock drilling rig comprising such a device |
| 04/24/2013 | CN101798919B Method for monitoring whether drilling mud is invaded by grouting fluid during drilling and grouting parallel operation |
| 04/17/2013 | CN202882881U Brake automatic drill bit feeding system |
| 04/17/2013 | CN202882880U Back pressure adjusting device of full-sleeve full-slewing drilling machine |
| 04/17/2013 | CN202882879U Pressure gear shifting device of full-sleeve full-slewing drilling machine |
| 04/17/2013 | CN202882878U Special frequency conversion driving system for upgrading specification of drilling machine |
| 04/17/2013 | CN202882877U Alarm protection device for driller staff off-site and braking failure |
| 04/17/2013 | CN202882876U Drilling machine integration control system |
| 04/17/2013 | CN103046918A Method and system for optimizing drilling parameters |
| 04/17/2013 | CN101899969B Real-time on-site drilling full parameter optimization method |
| 04/11/2013 | WO2013052847A1 Method for detecting and mitigating drilling inefficiencies |
| 04/11/2013 | US20130087386 Expandable apparatus and related methods |
| 04/11/2013 | US20130087385 Method for detecting and mitigating drilling inefficiencies |
| 04/10/2013 | EP2578797A1 Method for managing drilling rods, drilling tools, borehole piping and the like for boreholes |
| 04/10/2013 | CN202866781U Four constant automatic bit feeding control system |
| 04/10/2013 | CN202866637U Rotary locking device for rotating drilling rig |
| 04/09/2013 | US8413744 System and method for controlling the integrity of a drilling system |
| 04/04/2013 | WO2013049625A1 Optical power for self-propelled mineral mole |
| 04/04/2013 | WO2013015958A3 Method and system of displaying data associated with drilling a borehole |
| 04/04/2013 | WO2012064626A4 Apparatus and method for automated drilling of a borehole in a subsurface formation |
| 04/04/2013 | US20130081875 Umbilical technique for robotic mineral mole |
| 04/04/2013 | CA2850018A1 Point the bit rotary steerable system |
| 04/04/2013 | CA2848420A1 Apparatus and method for galvanically removing from or depositing onto a device a metallic material downhole |
| 04/03/2013 | CN202850971U Drill carriage bus control system |
| 04/03/2013 | CN202850970U Automatic control system of downhole annular pressure for deepwater surface layer well drilling |
| 04/03/2013 | CN103015967A Method of controlling direction of toolface of bottom hole assembly for slide drilling |
| 04/03/2013 | CN103015966A Visually-operated hydraulic control system of petroleum drilling machine |
| 04/03/2013 | CN103015965A Emergency system for full-casing-pipe full-slewing drilling machine |
| 04/03/2013 | CN103015964A Casing pipe emergency rotary torque enhanced control device of fully slewing drilling machine |
| 04/03/2013 | CN103015963A Casing pipe cutter bit protective device of fully slewing drilling machine |
| 04/03/2013 | CN103015962A Automatic left-and-right swinging control device for casing pipe of fully slewing drilling machine |
| 04/03/2013 | CN103015961A Operating system for full-casing-pipe full-slewing drilling machine |
| 04/03/2013 | CN103015960A Casing pipe emergency removal control device for fully slewing drilling machine |
| 04/03/2013 | CN103015891A Movable roof expansion bolt punching device |
| 04/02/2013 | CA2694851C Methods and apparatus for actuating a downhole tool |
| 03/28/2013 | WO2013043153A1 Systems and methods for limiting torque transmission |
| 03/28/2013 | WO2012149133A3 Automated systems and methods for make-up and break-out of tubulars |
| 03/28/2013 | US20130076099 Method and Apparatus for Increasing the Yield in a Deposit |
| 03/28/2013 | CA2849296A1 System and method for determining information related to sub-surface geological formations using time-dependent magnetic fields |
| 03/27/2013 | CN202832475U Well repairing work vehicle |
| 03/27/2013 | CN202832474U Encoder mounting device and rotary drilling rig |
| 03/27/2013 | CN202832473U Overload protective system of drilling machine |
| 03/27/2013 | CN202829412U Main winch hydraulic control system for rotary drilling machine and rotary drilling machine |
| 03/27/2013 | CN102996139A Hydraulic control system of drill loader |
| 03/27/2013 | CN102996138A Hydraulic control system of dust removal and outburst prevention integrated heading machine |
| 03/27/2013 | CN102996111A Multifunctional automatic drill feeding system of hydraulic motor of petroleum drilling machine |
| 03/27/2013 | CN102996110A Automatic leveling device of full-circle slewing drilling machine |