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Dive into the research topics where Robert A. Estes is active.

Publication


Featured researches published by Robert A. Estes.


Archive | 2003

Measurement-while-drilling assembly using real-time toolface oriented measurements

Paul G. Cairns; Sergey V. Efremov; David M. Schneider; Sassan Dehlavi; Robert A. Estes; Samuel R. Bell


Archive | 2001

Measurement-while-drilling assembly using gyroscopic devices and methods of bias removal

Robert A. Estes; Jon B. Kahn


Archive | 2000

Apparatus to measure the earth's local gravity and magnetic field in conjunction with global positioning attitude determining

Koen Antonie Noy; Robert A. Estes; Hatem Salem Morsy


Archive | 2003

Use of MWD assembly for multiple-well drilling

Robert A. Estes


Archive | 2004

Gyroscopic steering tool using only a two-axis rate gyroscope and deriving the missing third axis

Robert A. Estes; R. Johnathan Bynum; Randell Riggs; M. David Epplin


Archive | 2002

Lockable motor drive

Robert A. Estes; Jon B. Kahn


Archive | 2008

Autonomous downhole control methods and devices

Gary J. Cresswell; William J. Befeld; Robert A. Estes


Archive | 2006

Downhole navigation and detection system

Robert A. Estes; Rocco DiFoggio; Eric B. Molz; Constantyn Chalitsios; Philip L. Kurkoski


Archive | 2007

Downhole depth computation methods and related system

Robert A. Estes; Jerry Cerkovnik; Gary J. Cresswell; William J. Befeld


Archive | 2004

Magnetometers for measurement-while-drilling applications

Robert A. Estes; Roger Cruz; Brent D. Hope; Nico Foekema

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