Estes; Robert A.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Estes; Robert A..The latest application filed is for "extending the range of a mems gyroscope using eccentric accelerometers".

Company Profile

4.30.26

Estes; Robert A. - Tomball TX US
Estes; Robert A. - Houston TX

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Methods for drilling multiple parallel wells with passive magnetic ranging Grant 10,858,929 - Estes , et al. December 8, 2	2020-12-08
Extending the range of a MEMS gyroscope using eccentric accelerometers Grant 10,378,330 - Estes , et al. A	2019-08-13
Extending The Range Of A Mems Gyroscope Using Eccentric Accelerometers App 20180180418 - Estes; Robert A. ; et al.	2018-06-28
Apparatus and methods for oriented-fracturing of formations Grant 9,970,268 - Ireland , et al. May 15, 2	2018-05-15
Downhole closed loop drilling system with depth measurement Grant 9,963,936 - Kruspe , et al. May 8, 2	2018-05-08
Real-time, limited orientation sensor auto-calibration Grant 9,804,288 - Estes , et al. October 31, 2	2017-10-31
Methods For Drilling Multiple Parallel Wells With Passive Magnetic Ranging App 20170138173 - Estes; Robert A. ; et al.	2017-05-18
Passive magnetic ranging for SAGD and relief wells via a linearized trailing window kalman filter Grant 9,422,803 - Hanak , et al. August 23, 2	2016-08-23
Measurement while drilling spontaneous potential indicator using differential magnetometers Grant 9,411,065 - Estes August 9, 2	2016-08-09
Apparatus and Methods for Oriented-Fracturing of Formations App 20160061011 - Ireland; Kelly D. ; et al.	2016-03-03
Real-Time, Limited Orientation Sensor Auto-Calibration App 20150331138 - Estes; Robert A. ; et al.	2015-11-19
Apparatus and methods for determining parameters downhole using gravity-affected sensor Grant 9,163,498 - Cairns , et al. October 20, 2	2015-10-20
Tripping indicator for MWD systems Grant 9,157,310 - Estes , et al. October 13, 2	2015-10-13
Measurement While Drilling Spontaneous Potential Indicator Using Differential Magnetometers App 20150276962 - Estes; Robert A.	2015-10-01
Downhole Closed Loop Drilling System with Depth Measurement App 20150096805 - Kruspe; Thomas ; et al.	2015-04-09
Passive Magnetic Ranging for SAGD and Relief Wells Via a Linearized Trailing Window Kalman Filter App 20140121971 - Hanak; Francis Chad ; et al.	2014-05-01
Apparatus And Methods For Determining Parameters Downhole Using Gravity-affected Sensor App 20130153206 - Cairns; Paul G. ; et al.	2013-06-20
Rotatable orientation independent gravity sensor and methods for correcting systematic errors Grant 8,131,494 - Georgi , et al. March 6, 2	2012-03-06
Gyroscopic steering tool using only a two-axis rate gyroscope and deriving the missing third axis Grant 7,813,878 - Estes , et al. October 12, 2	2010-10-12
Downhole navigation and detection system Grant 7,763,845 - Estes , et al. July 27, 2	2010-07-27
Tripping Indicator For MWD Systems App 20090173538 - Estes; Robert A. ; et al.	2009-07-09
Magnetometers for measurement-while-drilling applications Grant 7,252,144 - Estes , et al. August 7, 2	2007-08-07
Gyroscopic Steering Tool Using Only a Two-Axis Rate Gyroscope and Deriving the Missing Third Axis App 20070175055 - Estes; Robert A. ; et al.	2007-08-02
Gyroscopic steering tool using only a two-axis rate gyroscope and deriving the missing third axis Grant 7,234,540 - Estes , et al. June 26, 2	2007-06-26
Measurement-while-drilling assembly using real-time toolface oriented measurements Grant 7,195,062 - Cairns , et al. March 27, 2	2007-03-27
Downhole navigation and detection system App 20070034793 - Estes; Robert A. ; et al.	2007-02-15
Measurement-while-drilling assembly using real-time toolface oriented measurements Grant 7,114,565 - Estes , et al. October 3, 2	2006-10-03
Measurement-while-drilling assembly using real-time toolface oriented measurements App 20060149477 - Cairns; Paul G. ; et al.	2006-07-06
Measurement-while-drilling assembly using real-time toolface oriented measurements Grant 7,000,700 - Cairns , et al. February 21, 2	2006-02-21
Magnetometers for measurement-while-drilling applications App 20050199425 - Estes, Robert A. ; et al.	2005-09-15
Gyroscopic steering tool using only a two-axis rate gyroscope and deriving the missing third axis App 20050056461 - Estes, Robert A. ; et al.	2005-03-17
Use of MWD assembly for multiple-well drilling Grant 6,842,699 - Estes January 11, 2	2005-01-11
Measurement-while-drilling assembly using real-time toolface oriented measurements App 20040222019 - Estes, Robert A. ; et al.	2004-11-11
Measurement-while-drilling assembly using real-time toolface oriented measurements App 20040079526 - Cairns, Paul G. ; et al.	2004-04-29
Lockable motor drive Grant 6,712,159 - Estes , et al. March 30, 2	2004-03-30
Use of MWD assembly for multiple-well drilling App 20030236627 - Estes, Robert A.	2003-12-25
Measurement-while-drilling assembly using gyroscopic devices and methods of bias removal Grant 6,529,834 - Estes , et al. March 4, 2	2003-03-04
Lockable motor drive App 20020116130 - Estes, Robert A. ; et al.	2002-08-22
Measurement-while-drilling assembly using gyroscopic devices and methods of bias removal Grant 6,347,282 - Estes , et al. February 12, 2	2002-02-12

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