Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells › 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
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)
11/2012
11/01/2012WO2012149133A2 Automated systems and methods for make-up and break-out of tubulars
11/01/2012WO2012106129A3 Resettable pressure cycle-operated production valve and method
11/01/2012WO2012090174A3 System and method for performing downhole stimulation operations
11/01/2012WO2012080812A3 Drilling optimization with a downhole motor
11/01/2012US20120273270 Look Ahead Advance Formation Evaluation Tool
11/01/2012CA2834172A1 Automated systems and methods for make-up and break-out of tubulars
10/2012
10/31/2012CN202510107U Measurement while drilling system for drill carriage
10/31/2012CN202510099U Intelligent display control system of deep hole drill carriage for coal mine
10/31/2012CN202510098U Hole depth monitoring device of rotary drill
10/31/2012CN202510097U Rotary drill man-machine communication control system
10/31/2012CN102758619A Automated well control method and apparatus
10/30/2012US8297377 Method and system for accessing subterranean deposits from the surface and tools therefor
10/29/2012CA2739981A1 Electronic control system for a downhole tool
10/26/2012CA2833731A1 System and method for drilling a borehole using streaming reference data
10/24/2012CN102747950A Single-pump hydraulic control loop of key drilling action of cutting drill rig
10/24/2012CN102747949A Fast propulsion hydraulic control loop of down-the-hole drill rig
10/24/2012CN102747948A Double-pump hydraulic control loop of key drilling action of cutting drill rig
10/23/2012US8291974 Method and system for accessing subterranean deposits from the surface and tools therefor
10/18/2012WO2012142282A2 Mechanical specific energy drilling system
10/18/2012WO2012142094A2 Compositions and methods for increased ethanol production from biomass
10/18/2012WO2012115749A3 Remotely operated production valve and method
10/18/2012US20120261190 Mechanical specific energy drilling system
10/18/2012CA2832587A1 Compositions and methods for increased ethanol production from biomass
10/18/2012CA2828745A1 Mechanical specific energy drilling system
10/16/2012US8286726 User interface for rock drilling rig
10/16/2012CA2603362C Method for improving drilling depth measurements
10/11/2012US20120255779 Automatic Control System For Connecting A Dual-Member Pipe
10/11/2012US20120255778 Drilling control system and method
10/11/2012US20120255777 Wellbore pressure control with optimized pressure drilling
10/11/2012US20120255776 Automatic standpipe pressure control in drilling
10/11/2012US20120255775 Methods and systems for drilling boreholes
10/10/2012CN202483549U PC (Personal Computer)-based intelligent control device for oil drilling rig
10/09/2012US8281875 Pressure and flow control in drilling operations
10/09/2012US8281871 Tool apparatus system and method of use
10/09/2012CA2660045C Rock drilling apparatus and method for controlling rock drilling apparatus
10/04/2012WO2012092091A3 Remote actuation testing tool for high pressure differential downhole environments
10/04/2012WO2012083016A3 Method and apparatus for controlled or programmable cutting of multiple nested tubulars
10/03/2012EP2504527A2 An apparatus and system and method of measuring data in a well extending below surface
10/03/2012CN202467811U Electrical control device of rotary drilling rig
10/03/2012CN202467810U Touchdown detection device for drill rods of rotary drilling rigs
10/03/2012CN202467809U Automatic throttling control device for pressure controlled drilling
10/03/2012CN202467808U GPS (global positioning system) remote monitoring system for rotary drilling rig
10/03/2012CN202467807U Auxiliary construction system of rotary drilling rig
10/03/2012CN202467806U Mast position limiting and sensing device of rotary drilling rig
10/03/2012CN202467805U Dual redundancy electric control system for rotary drilling rig
10/03/2012CN102713140A Remote drilling and completions management
10/03/2012CN102704909A Hole-deflection control construction method for deep hole drilling
10/03/2012CN102704908A Split-flow automatic control system of coal bed methane horizontal branch well and process thereof
10/03/2012CN102704840A Self-pushed type radial horizontal well steering device
10/03/2012CN102704838A Power type multifunctional drilling machine based on excavating machine
09/2012
09/27/2012WO2012058435A4 Drilling control system and method
09/27/2012US20120241217 Well drilling methods with automated response to event detection
09/26/2012CN202451129U Guiding drilling system based on top driving and ground control
09/26/2012CN101871320B Automatic hydraulic offset-correcting method for horizontal drilling and specific drilling tool
09/25/2012CA2486235C An automatic control system and method for bottom hole pressure in the underbalance drilling
09/25/2012CA2471508C Data transmission system
09/19/2012CN202440815U Forming device for long-spiral filling pile extruded into rock
09/19/2012CN102686828A Look ahead advance formation evaluation tool
09/18/2012CA2752542C Hydraulic control system for drilling systems
09/13/2012WO2012122483A2 Graph to analyze drilling parameters
09/13/2012WO2012087864A8 Method of utilizing subterranean formation data for improving treatment operations
09/13/2012WO2012078406A3 Well control operational and training aid
09/12/2012EP2496790A2 Drive mechanism
09/11/2012US8261826 Wellbore pressure control with segregated fluid columns
09/11/2012CA2686047C Well prog execution facilitation system and method
09/05/2012CN202417469U Well drilling turnplate reactive torque release control device
09/05/2012CN202417468U Rotary drilling jig and pressure and torque matching device thereof
09/05/2012CN202417307U Multifunctional longhole drilling machine
09/05/2012CN101672178B Touch-down self-stopping device of drill rod of rotary drilling rig
09/05/2012CN101408100B Method and system for controlling rotary tray flexible torque of electric drill
09/04/2012US8256534 Adaptive drilling control system
08/2012
08/30/2012WO2012115749A2 Remotely operated production valve and method
08/29/2012WO2013126039A1 Sneak path eliminator for diode multiplexed control of downhole well tools
08/29/2012CN101718181B Lifting valve type underground inside-outside integrated blowout preventer
08/29/2012CN101353959B Automatic alarm protecting devices of sliding-proof drill and blocked portion
08/29/2012CA2828858A1 Sneak path eliminator for diode multiplexed control of downhole well tools
08/22/2012CN202391405U Scaling device of MWD (measurement while drilling) apparatus for drilling pressure and torque in petroleum drilling
08/22/2012CN101713285B Calculation method for measuring distance between adjacent wells by electromagnetic detection while drilling
08/21/2012US8245795 Phase wellbore steering
08/21/2012CA2580520C Automatic drilling system
08/16/2012CA2826888A1 System and apparatus for modeling the behavior of a drilling assembly
08/15/2012EP2486230A1 Integrated geomechanics determinations and wellbore pressure control
08/15/2012CN102635137A Total power control system of mechanical equipment
08/15/2012CN101994487B Torsion bearing assembly for transferring torque to drill
08/15/2012CN101619655B Drilling method for accurately controlling hole deflection under complicated stratum and guide device
08/14/2012US8240401 System and method for damping vibration in a drill string
08/14/2012US8240397 Method to control bit load
08/14/2012CA2637304C Coiled tubing wellbore cleanout
08/09/2012WO2012106348A2 Method of minimizing wellbore instability
08/09/2012WO2012106129A2 Resettable pressure cycle-operated production valve and method
08/09/2012WO2012058435A3 Drilling control system and method
08/08/2012EP2483510A2 Remotely controlled apparatus for downhole applications and methods of operation
08/08/2012CN202370497U Rotary digging drilling machine and main winch floating system of rotary digging drilling machine
08/08/2012CN202370496U Rotary drilling rig and automatic deviation correcting system
08/07/2012US8235144 Expansion and sensing tool
08/07/2012US8235142 Underground boring machine and method for controlling underground boring
08/07/2012CA2642713C Drilling apparatus and method
08/07/2012CA2614459C Impeller arrangement
08/02/2012WO2012064728A3 Sensor on a drilling apparatus
08/01/2012EP2480757A2 System and method for monitoring and controlling wellbore parameters
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