Tomball, Texas
United States
17
2018-06-28
The entities that hold a legal rights for patent applications filed by inventor Estes Robert A.:
Robert A. Estes from Tomball, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Extending the range of a MEMS gyroscope using eccentric accelerometers
#2 | 2017-05-18Methods for drilling multiple parallel wells with passive magnetic ranging
#3 | 2016-03-03Apparatus and methods for oriented-fracturing of formations
#4 | 2015-11-19Real-time, limited orientation sensor auto-calibration
#5 | 2015-10-01Measurement while drilling spontaneous potential indicator using differential magnetometers
#6 | 2015-04-09Downhole closed loop drilling system with depth measurement
#7 | 2014-05-01Passive magnetic ranging for SAGD and relief wells via a linearized trailing window kalman filter
#8 | 2013-06-20Apparatus and methods for determining parameters downhole using gravity-affected sensor
#9 | 2009-07-09Tripping indicator for MWD systems
#10 | 2007-08-02Gyroscopic steering tool using only a two-axis rate gyroscope and deriving the missing third axis
#11 | 2007-02-15Downhole navigation and detection system
#12 | 2006-10-03Measurement-while-drilling assembly using real-time toolface oriented measurements
#13 | 2006-07-06Measurement-while-drilling assembly using real-time toolface oriented measurements
#14 | 2006-02-21Measurement-while-drilling assembly using real-time toolface oriented measurements
#15 | 2005-09-15Magnetometers for measurement-while-drilling applications
#16 | 2005-03-17Gyroscopic steering tool using only a two-axis rate gyroscope and deriving the missing third axis
#17 | 2005-01-11Use of MWD assembly for multiple-well drilling
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