Inventor · disambiguated record
Robert A. Estes
Also filed as: ESTES ROBERT · ESTES ROBERT A · ESTES ROBERT ALAN
30 granted patents·1 pending application·666 citations·filing 1998–2019
97Inventor score
Top patents by PatentIndex Score
31 records- 0193US6529834B1Measurement-while-drilling assembly using gyroscopic devices and methods of bias removalBAKER HUGHES INC·Filed 2000·Granted Mar 4, 2003·89 cites·33 claims
- 0289US7195062B2Measurement-while-drilling assembly using real-time toolface oriented measurementsBAKER HUGHES INC·Filed 2005·Granted Mar 27, 2007·27 cites·15 claims
- 0386US10858929B2Methods for drilling multiple parallel wells with passive magnetic rangingESTES ROBERT A·Filed 2016·Granted Dec 8, 2020·10 cites·19 claims
- 0486US10801318B1Directional sensor with means for adjusting cancellation of interfering electromagnetic fieldHALLIBURTON ENERGY SERVICES INC·Filed 2019·Granted Oct 13, 2020·7 cites·20 claims
- 0586US7000700B2Measurement-while-drilling assembly using real-time toolface oriented measurementsBAKER HUGHES INC·Filed 2003·Granted Feb 21, 2006·56 cites·33 claims
- 0686US6347282B2Measurement-while-drilling assembly using gyroscopic devices and methods of bias removalBAKER HUGHES INC·Filed 1998·Granted Feb 12, 2002·128 cites·32 claims
- 0785US8899322B2Autonomous downhole control methods and devicesCRESSWELL GARY J·Filed 2008·Granted Dec 2, 2014·36 cites·23 claims
- 0883US8528637B2Downhole depth computation methods and related systemCRESSWELL GARY J·Filed 2012·Granted Sep 10, 2013·11 cites·20 claims
- 0983US6508316B2Apparatus to measure the earth's local gravity and magnetic field in conjunction with global positioning attitude determinationBAKER HUGHES INC·Filed 2000·Granted Jan 21, 2003·59 cites·21 claims
- 1082US9804288B2Real-time, limited orientation sensor auto-calibrationESTES ROBERT A·Filed 2014·Granted Oct 31, 2017·7 cites·24 claims
- 1181US9963936B2Downhole closed loop drilling system with depth measurementKRUSPE THOMAS·Filed 2013·Granted May 8, 2018·7 cites·13 claims
- 1281US7763845B2Downhole navigation and detection systemBAKER HUGHES INC·Filed 2006·Granted Jul 27, 2010·22 cites·23 claims
- 1377US7114565B2Measurement-while-drilling assembly using real-time toolface oriented measurementsBAKER HUGHES INC·Filed 2004·Granted Oct 3, 2006·47 cites·41 claims
- 1476US9605527B2Reducing rotational vibration in rotational measurementsBAKER HUGHES INC·Filed 2012·Granted Mar 28, 2017·5 cites·15 claims
- 1575US7813878B2Gyroscopic steering tool using only a two-axis rate gyroscope and deriving the missing third axisBAKER HUGHES INC·Filed 2007·Granted Oct 12, 2010·10 cites·7 claims
- 1672US10378330B2Extending the range of a MEMS gyroscope using eccentric accelerometersESTES ROBERT A·Filed 2016·Granted Aug 13, 2019·2 cites·16 claims
- 1769US6842699B2Use of MWD assembly for multiple-well drillingBAKER HUGHES INC·Filed 2003·Granted Jan 11, 2005·27 cites·7 claims
- 1867US8987924B2Self-tuning energy harvesterESTES ROBERT ALAN·Filed 2013·Granted Mar 24, 2015·2 cites·19 claims
- 1967US8122954B2Downhole depth computation methods and related systemESTES ROBERT·Filed 2007·Granted Feb 28, 2012·13 cites·22 claims
- 2067US8113041B2Gravitational method and apparatus for measuring true vertical depth in a boreholeDIFOGGIO ROCCO·Filed 2008·Granted Feb 14, 2012·7 cites·20 claims
- 2161US9411065B2Measurement while drilling spontaneous potential indicator using differential magnetometersESTES ROBERT A·Filed 2014·Granted Aug 9, 2016·1 cites·20 claims
- 2259US7234540B2Gyroscopic steering tool using only a two-axis rate gyroscope and deriving the missing third axisBAKER HUGHES INC·Filed 2004·Granted Jun 26, 2007·22 cites·22 claims
- 2356US8131494B2Rotatable orientation independent gravity sensor and methods for correcting systematic errorsGEORGI DANIEL T·Filed 2008·Granted Mar 6, 2012·2 cites·20 claims
- 2456US6712159B2Lockable motor driveBAKER HUGHES INC·Filed 2002·Granted Mar 30, 2004·13 cites·20 claims
- 2556US6212476B1Apparatus to measure the earth's local gravity and magnetic field in conjunction with global positioning attitude determiningBAKER HUGHES INC·Filed 1999·Granted Apr 3, 2001·39 cites·30 claims
- 2655US9422803B2Passive magnetic ranging for SAGD and relief wells via a linearized trailing window kalman filterHANAK FRANCIS CHAD·Filed 2012·Granted Aug 23, 2016·1 cites·18 claims
- 2753US9970268B2Apparatus and methods for oriented-fracturing of formationsIRELAND KELLY D·Filed 2014·Granted May 15, 2018·1 cites·20 claims
- 2852US9163498B2Apparatus and methods for determining parameters downhole using gravity-affected sensorCAIRNS PAUL G·Filed 2011·Granted Oct 20, 2015·2 cites·19 claims
- 2949US9157310B2Tripping indicator for MWD systemsESTES ROBERT A·Filed 2008·Granted Oct 13, 2015·3 cites·20 claims
- 3039US7252144B2Magnetometers for measurement-while-drilling applicationsBAKER HUGHES INC·Filed 2004·Granted Aug 7, 2007·10 cites·39 claims
- 3139US2009126486A1Orientation independent gravity sensorBAKER HUGHES INC·Filed 2007·Application pending·0 cites
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