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