| 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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| 03/18/2014 | US8671749 System and method to protect strain gauges while transmitting pressure |
| 03/18/2014 | CA2383711C Method and system for solving finite element models using multi-phase physics |
| 03/12/2014 | CN203476310U Ground monitoring system of drilling machine |
| 03/12/2014 | CN103628859A Automatic drilling machine controller and method for performing pile foundation construction by applying automatic drilling machine controller |
| 03/12/2014 | CN103628858A Emergency stop control system based on drilling machine integrated control |
| 03/06/2014 | US20140060931 Systems and Methods for Automatic Drilling of Wellbores |
| 03/06/2014 | US20140060822 Method for determining properties of a hydrocarbon reservoir formation and produced fluids in the process of production |
| 03/05/2014 | CN102128023B Comprehensive tripping monitoring operating system |
| 03/04/2014 | US8662205 System and method for damping vibration in a drill string |
| 03/04/2014 | CA2610441C Rock drilling method |
| 02/28/2014 | CA2826874A1 Systems and methods for automatic drilling of wellbores |
| 02/20/2014 | WO2014027137A1 Method, rock drilling rig and control apparatus |
| 02/19/2014 | EP2698498A1 Method, rock drilling rig and control apparatus |
| 02/19/2014 | EP2697252A2 Compositions and methods for increased ethanol production from biomass |
| 02/19/2014 | CN203441467U Automatic catwalk device for marine drilling platform |
| 02/19/2014 | CN203441466U Novel drill lifting control device for rotary drilling rig |
| 02/19/2014 | CN203441465U 智能岩芯钻机 Intelligent Core drilling machines |
| 02/19/2014 | CN103597161A Method and arrangement for preparing a charging plan |
| 02/19/2014 | CN103597160A Method and arrangement for designing drilling plan |
| 02/19/2014 | CN103590806A Rotary drilling rig rod-sticking control system and method |
| 02/19/2014 | CN102305059B Automatic control system and method of petroleum drilling machine |
| 02/13/2014 | WO2014025361A1 Navigating to failures in drilling system displays |
| 02/13/2014 | US20140041941 Methods and systems for drilling |
| 02/13/2014 | CA2821150A1 Method and device for producing and measuring a borehole |
| 02/12/2014 | CN203430500U Rotary drilling rig pressurizing control system |
| 02/12/2014 | CN203430499U Well fracturing parameter intelligent monitoring system |
| 02/12/2014 | CN102220839B Construction machine having computer unit for determining adjusting range |
| 02/11/2014 | CA2686627C Electrically sequenced tractor |
| 02/06/2014 | WO2014022614A1 Assessment, monitoring and control of drilling operations and/or geological-characteristic assessment |
| 02/06/2014 | WO2014021983A1 Methods and systems related to hydrocarbon recovery strategy development |
| 02/06/2014 | US20140034386 Methods and apparatus for reducing stick-slip |
| 02/06/2014 | US20140034303 Autonomous wellbore downhole indexing device |
| 02/05/2014 | CN103556982A Suspension arm vertical drilling control system |
| 02/05/2014 | CN103556981A Drilling construction automatically-monitoring system |
| 02/04/2014 | US8640791 System and method for monitoring and controlling underground drilling |
| 02/04/2014 | CA2608756C Method and device for controlling an impulse-generating device for drilling in rock |
| 01/30/2014 | WO2014018345A1 Optical photodetector for high temperature operation |
| 01/30/2014 | WO2014018003A1 Well drilling methods with audio and video inputs for event detection |
| 01/30/2014 | US20140027175 Drilling optimization with a downhole motor |
| 01/30/2014 | US20140027174 Optimized drilling |
| 01/29/2014 | CN103541715A Microflow managed pressure drilling system |
| 01/28/2014 | US8636086 Methods of drilling with a downhole drilling machine |
| 01/23/2014 | US20140020953 Advanced inground operations, system and associated apparatus |
| 01/22/2014 | CN103527170A Automatic strapdown vertical drilling tool |
| 01/22/2014 | CN103527169A Throttle valve control system |
| 01/22/2014 | CN103527168A Throttle valve control system |
| 01/22/2014 | CN103527167A Electric throttling pressure control system |
| 01/22/2014 | CN103527166A Method and system for detecting drill rod of rotary drill rig |
| 01/16/2014 | WO2014011171A1 Systems and methods of drilling control |
| 01/15/2014 | CN103510917A Pumping unit automatic control method and system based on on-line dynamic liquid level monitoring |
| 01/15/2014 | CN101876239B Pumping unit system and power saving control method thereof |
| 01/14/2014 | US8627887 In situ recovery from a hydrocarbon containing formation |
| 01/09/2014 | WO2014008115A1 Method for reducing stick-slip during wellbore drilling |
| 01/09/2014 | WO2014007798A1 Pressure control in drilling operations with offset applied in response to predetermined conditions |
| 01/09/2014 | WO2014005188A1 A method of, and a system for, drilling to a position relative to a geological boundary |
| 01/09/2014 | US20140008126 Method for reducing stick-slip during wellbore drilling |
| 01/09/2014 | US20140008125 System and method for kicking-off a rotary steerable |
| 01/09/2014 | CA2877925A1 Method for reducing stick-slip during wellbore drilling |
| 01/09/2014 | CA2877702A1 Pressure control in drilling operations with offset applied in response to predetermined conditions |
| 01/08/2014 | EP2681413A1 Sneak path eliminator for diode multiplexed control of downhole well tools |
| 01/08/2014 | CN203383731U Push pointing type rotary guide well drilling device |
| 01/08/2014 | CN103502571A Automated systems and methods for make-up and break-out of tubulars |
| 01/07/2014 | US8622150 Boring tool tracking fundamentally based on drill string length, pitch and roll |
| 01/07/2014 | CA2747864C Top drive interlock |
| 01/03/2014 | WO2014004946A1 Wireline flow through remediation tool |
| 01/03/2014 | WO2014004022A1 Automated remote actuation system |
| 01/03/2014 | WO2014003715A1 Fluid flow control using channels |
| 01/03/2014 | CA2874984A1 Fluid flow control using channels |
| 01/02/2014 | US20140000964 Cloud computing method for geosteering directional drilling apparatus |
| 01/01/2014 | CN103485756A 动态工作区域 Dynamic work area |
| 12/31/2013 | CA2685290C System and method for performing a drilling operation in an oilfield |
| 12/27/2013 | WO2013192518A1 High temperature supercapacitor |
| 12/27/2013 | WO2013191839A1 Drilling speed and depth computation for downhole tools |
| 12/27/2013 | WO2013191838A1 Directional drilling system |
| 12/27/2013 | WO2013085515A3 Geological monitoring console |
| 12/27/2013 | CA2875299A1 Drilling speed and depth computation for downhole tools |
| 12/26/2013 | US20130341091 Drilling Speed and Depth Computation for Downhole Tools |
| 12/26/2013 | US20130341090 Detecting Stick-Slip Using A Gyro While Drilling |
| 12/26/2013 | US20130341089 Control system and method for a well completion system |
| 12/26/2013 | US20130340997 Method and system for accessing subterranean deposits from the surface and tools therefor |
| 12/25/2013 | EP2065553B1 System and method for drilling lateral boreholes |
| 12/25/2013 | CN203362149U Automatic heating control device with communication function for hydraulic machine |
| 12/25/2013 | CN103470244A Automated control system used for finger board |
| 12/25/2013 | CN103470243A Drilling machine ground monitoring system |
| 12/24/2013 | CA2795548C Work string controller |
| 12/24/2013 | CA2795175C Work string controller |
| 12/24/2013 | CA2734079C Borehole array for ranging and crosswell telemetry |
| 12/24/2013 | CA2728172C Work string controller |
| 12/24/2013 | CA2636428C Dynamic production system management |
| 12/19/2013 | WO2013188088A1 Systems and methods for optimizing facility limited production and injection in an integrated reservoir and gathering network |
| 12/19/2013 | WO2013096375A3 Well work opportunity system |
| 12/19/2013 | US20130333946 Closed loop well twinning methods |
| 12/19/2013 | CA2874977A1 Systems and methods for optimizing facility limited production and injection in an integrated reservoir and gathering network |
| 12/18/2013 | CN203347778U Guiding capability testing device for rotary guiding system |
| 12/17/2013 | CA2715451C Data aggregation for drilling operations |
| 12/15/2013 | CA2818355A1 Closed loop well twinning methods |
| 12/12/2013 | WO2013184301A1 Apparatus configuration downhole |
| 12/12/2013 | WO2013077905A3 Systems and methods for continuous and near continuous drilling |
| 12/12/2013 | US20130327521 Oilfield application framework |
| 12/11/2013 | CN103437754A Pressurization control method and pressurization control system for rotary drilling rig |