| Patents for E21B 45 - Measuring the drilling time or rate of penetration (257) |
|---|
| 03/05/2015 | WO2015030821A1 Distributed acoustic sensing system with variable spatial resolution |
| 03/05/2015 | WO2015030799A1 Estimating and predicting wellbore tortuosity |
| 03/05/2015 | WO2015030790A1 Automating downhole drilling using wellbore profile energy and shape |
| 03/05/2015 | US20150060140 Eccentric Steering Device and Methods of Directional Drilling |
| 02/26/2015 | US20150053483 Drilling control and information system |
| 12/25/2014 | US20140379133 Methods and systems for monitoring directional drilling |
| 12/10/2014 | CN204002754U 钻机mini参数仪 Rig mini parameter analyzer |
| 10/07/2014 | US8854373 Graph to analyze drilling parameters |
| 10/02/2014 | WO2014160561A1 Automated rig activity report generation |
| 09/25/2014 | WO2014150051A1 Measuring torque in a downhole environment |
| 09/18/2014 | US20140262515 Environmental severity measurement tool |
| 09/18/2014 | US20140262514 Measuring torque in a downhole environment |
| 09/16/2014 | US8833487 Mechanical specific energy drilling system |
| 09/04/2014 | WO2014133505A1 Method and system for performing friction factor calibration |
| 09/04/2014 | WO2014133501A1 Method and system for predicting drilling events |
| 08/13/2014 | CN203769758U 一种模拟钻进系统实验台 An analog Bench Drilling System |
| 08/07/2014 | WO2014120752A1 System and method for characterization of downhole measurement data for borehole stability prediction |
| 08/05/2014 | US8798978 Methods to estimate downhole drilling vibration indices from surface measurement |
| 08/05/2014 | CA2759641C Method and apparatus for automated drilling of a borehole in a subsurface formation |
| 07/08/2014 | US8775085 Distributed sensors for dynamics modeling |
| 06/26/2014 | US20140174731 Method and system for controlling tongs make-up speed and evaluating and controlling torque at the tongs |
| 06/25/2014 | CN103883310A 一种模拟钻进系统实验台 An analog drilling system Bench |
| 06/17/2014 | US8752648 Method and system for predicting a drill string stuck pipe event |
| 06/12/2014 | WO2014089204A1 Reducing rotational vibration in rotational measurements |
| 05/22/2014 | US20140138158 Graph to analyze drilling parameters |
| 04/30/2014 | CN203570296U Rotation speed measurement sub |
| 04/03/2014 | WO2013121299A3 High definition drilling rate of penetration for marine drilling |
| 03/27/2014 | WO2014047375A1 Method to predict overpressure uncertainty from normal compaction trendline uncertainty |
| 03/20/2014 | WO2014043467A1 System and method for generating profile-based alerts/alarms |
| 03/04/2014 | US8665108 Apparatus and method for quality assessment of downhole data |
| 02/05/2014 | CN103556985A Drill working state automatic identification method suitable for hydraulic drill |
| 01/30/2014 | US20140027174 Optimized drilling |
| 01/23/2014 | WO2014014438A1 A system and method for wireline tool pump-down operations |
| 01/16/2014 | WO2014011171A1 Systems and methods of drilling control |
| 01/09/2014 | WO2014005188A1 A method of, and a system for, drilling to a position relative to a geological boundary |
| 12/27/2013 | WO2013191839A1 Drilling speed and depth computation for downhole tools |
| 12/27/2013 | CA2875299A1 Drilling speed and depth computation for downhole tools |
| 11/27/2013 | CN102383788B Underground reservoir porosity measurement method during drilling |
| 10/16/2013 | CN203239317U Working parameter measuring device of screw drill tool for petroleum drilling |
| 08/27/2013 | CA2671822C Automated mse-based drilling apparatus and methods |
| 08/21/2013 | CN103256037A Working parameter measurement device for oil drilling positive displacement motors |
| 07/18/2013 | WO2013105930A1 System and method for improved cuttings measurements |
| 07/04/2013 | WO2013016326A4 Detection of downhole vibrations using surface data from drilling rigs |
| 07/02/2013 | US8474550 Adaptive drilling control system |
| 06/19/2013 | CN102268986B Shaft bottom parameter measuring device |
| 05/22/2013 | CN202946138U Downhole data measurement and transmission device |
| 05/10/2013 | WO2013016326A3 Detection of downhole vibrations using surface data from drilling rigs |
| 03/14/2013 | WO2013036473A1 Method to estimate pore pressure uncertainty from trendline variations |
| 03/14/2013 | WO2013036357A1 Drilling vibration scoring system |
| 01/31/2013 | WO2013016326A2 Detection of downhole vibrations using surface data from drilling rigs |
| 12/27/2012 | WO2012122483A3 Graph to analyze drilling parameters |
| 12/06/2012 | WO2012106348A3 Method of minimizing wellbore instability |
| 10/24/2012 | EP2513422A2 Methods for characterization of formations, navigating drill paths, and placing wells in earth boreholes |
| 10/10/2012 | CN102725479A Methods for characterization of formations, navigating drill paths, and placing wells in earth boreholes |
| 09/30/2012 | CA2735619A1 System, method and apparatus for protecting downhole components from shock and vibration |
| 09/20/2012 | WO2011049828A8 Methods for characterization of formations, navigating drill paths, and placing wells in earth boreholes |
| 09/19/2012 | CN202440815U Forming device for long-spiral filling pile extruded into rock |
| 09/13/2012 | WO2012122483A2 Graph to analyze drilling parameters |
| 09/13/2012 | WO2012078406A3 Well control operational and training aid |
| 09/11/2012 | CA2550821C System, method and apparatus for petrophysical and geophysical measurements at the drilling bit |
| 09/05/2012 | CN202417481U Circuits and device for realizing depth and speed measurement in ground system for oil well logging |
| 09/04/2012 | US8256534 Adaptive drilling control system |
| 08/09/2012 | WO2012106348A2 Method of minimizing wellbore instability |
| 07/04/2012 | CN101305159B Method of drilling and producing hydrocarbons from subsurface formations |
| 06/14/2012 | WO2012078406A2 Well control operational and training aid |
| 06/07/2012 | CA2759641A1 Method and apparatus for automated drilling of a borehole in a subsurface formation |
| 05/15/2012 | CA2499159C Downhole rate of penetration sensor assembly and method |
| 05/02/2012 | CN102439260A Azimuthal at-bit resistivity and geosteering methods and systems |
| 04/11/2012 | EP2438268A2 System and method for estimating velocity of a downhole component |
| 03/21/2012 | CN102383788A Underground reservoir porosity measurement method during drilling |
| 02/12/2012 | CA2747272A1 A mud pulse telemetry synchronous time averaging system |
| 02/02/2012 | WO2012012830A1 Drilling activity logging device, system and method |
| 02/02/2012 | WO2011156798A3 Detecting and mitigating borehole diameter enlargement |
| 02/02/2012 | CA2766763A1 Drilling activity logging device, system and method |
| 01/31/2012 | CA2543909C High temperature electronic devices |
| 01/10/2012 | CA2551316C Rotary pulser |
| 12/15/2011 | WO2011156798A2 Detecting and mitigating borehole diameter enlargement |
| 12/15/2011 | CA2802320A1 Detecting and mitigating borehole diameter enlargement |
| 12/07/2011 | CN102268986A 井底参数测量装置 Downhole parameter measurement device |
| 08/04/2011 | WO2011049828A3 Methods for characterization of formations, navigating drill paths, and placing wells in earth boreholes |
| 08/02/2011 | US7991554 Method for predicting rate of penetration using bit-specific coefficients of sliding friction and mechanical efficiency as a function of confined compressive strength |
| 07/06/2011 | CN201891410U Device capable of real-time recording of drill speed parameters of drilling machine |
| 06/08/2011 | CN201857950U Underground timing device |
| 04/28/2011 | WO2011049828A2 Methods for characterization of formations, navigating drill paths, and placing wells in earth boreholes |
| 03/31/2011 | WO2011038170A2 Downhole optical imaging tools and methods |
| 10/19/2010 | CA2603653C Method for determination and correction of a drilling malfunction for a drilling unit |
| 10/14/2010 | WO2010117331A1 A method and a device for registering at least one rock drill parameter when drilling in rock |
| 10/13/2010 | CN201607212U 钻机大钩位移检测装置 Rig the hook displacement detecting device |
| 08/25/2010 | CN101095239B High temperature electronic device |
| 07/06/2010 | CA2604810C Method for selecting and using drilling operating parameters for a drilling unit |
| 07/01/2010 | WO2010074678A2 Azimuthal at-bit resistivity and geosteering methods and systems |
| 06/29/2010 | US7743654 System, method and apparatus for petrophysical and geophysical measurements at the drilling bit |
| 02/25/2010 | WO2010022040A2 Drill bit with instantaneous rate of penetration senor |
| 02/18/2010 | US20100038136 Drill Bit With A Sensor For Estimating Rate Of Penetration And Apparatus For Using Same |
| 02/02/2010 | US7654337 Arrangement for controlling rock drilling |
| 01/13/2010 | EP2142760A1 High pressure fracture tester |
| 12/29/2009 | CA2519676C Telescopic feed beam for rock drill and method of measuring rock drill travel |
| 10/29/2009 | US20090266609 Downhole sample rate system |
| 09/10/2009 | US20090223291 Gravity measurment methods for monitoring reservoirs |
| 07/23/2009 | WO2009091763A2 Method and apparatus for estimating a downhole fluid property |