Inventor · disambiguated record
Jian-Qun Wu
Also filed as: WU JIAN · WU JIAN-QUN
37 granted patents·3 pending applications·1,498 citations·filing 1992–2023
98Inventor score
Files withBAKER HUGHES INC9Bench Tree Group LLC9CIDRA CORP5PREC DRILLING TECH SERV GROUP4WISLER MACMILLAN M4
Top patents by PatentIndex Score
40 records- 0196US6577129B1Well logging system for determining directional resistivity using multiple transmitter-receiver groups focused with magnetic reluctance materialPREC DRILLING TECH SERV GROUP·Filed 2002·Granted Jun 10, 2003·142 cites·20 claims
- 0296US5869968AMethod and apparatus for avoiding mutual coupling between receivers in measurement while drillingBAKER HUGHES INC·Filed 1996·Granted Feb 9, 1999·198 cites·9 claims
- 0395US11682821B2Electromagnetic tool using slotted point dipole antennasBench Tree Group LLC·Filed 2020·Granted Jun 20, 2023·3 cites·22 claims
- 0495US6646441B2Well logging system for determining resistivity using multiple transmitter-receiver groups operating at three frequenciesPREC DRILLING TECH SERV GROUP·Filed 2002·Granted Nov 11, 2003·122 cites·29 claims
- 0594US12119536B2Electromagnetic tool using slotted point dipole antennasBench Tree Group LLC·Filed 2023·Granted Oct 15, 2024·1 cites·20 claims
- 0694US11616284B2Electromagnetic tool using slotted point dipole antennasBench Tree Group LLC·Filed 2020·Granted Mar 28, 2023·3 cites·26 claims
- 0793US6601671B1Method and apparatus for seismically surveying an earth formation in relation to a boreholeWEATHERFORD LAMB·Filed 2000·Granted Aug 5, 2003·93 cites·91 claims
- 0892US8471563B2Steerable magnetic dipole antenna for measurement while drilling applicationsWISLER MACMILLAN M·Filed 2010·Granted Jun 25, 2013·17 cites·13 claims
- 0992US8378908B2Array antenna for measurement-while-drillingPRECISION ENERGY SERVICES INC·Filed 2007·Granted Feb 19, 2013·38 cites·70 claims
- 1092US5986749AFiber optic sensing systemCIDRA CORP·Filed 1997·Granted Nov 16, 1999·108 cites·33 claims
- 1190US8604796B2Steerable magnetic dipole antenna for measurement-while-drilling applicationsWISLER MACMILLAN M·Filed 2011·Granted Dec 10, 2013·13 cites·27 claims
- 1288US11539300B1DC to DC power converter device capable of either bidirectional step-up conversion or bidirectional step-down conversion, and control method thereofVOLTRONIC POWER TECH CORPORATION·Filed 2021·Granted Dec 27, 2022·8 cites·11 claims
- 1387US9863785B2System and method of directional sensor calibrationBench Tree Group LLC·Filed 2016·Granted Jan 9, 2018·4 cites·15 claims
- 1486US6137621AAcoustic logging system using fiber opticsCIDRA CORP·Filed 1998·Granted Oct 24, 2000·92 cites·30 claims
- 1586US5491488AElectromagnetic propagation tool using magnetic dipole antennasBAKER HUGHES INC·Filed 1994·Granted Feb 13, 1996·69 cites·41 claims
- 1685US9250100B2System and method of directional sensor calibrationBench Tree Group LLC·Filed 2014·Granted Feb 2, 2016·7 cites·20 claims
- 1785USRE35386EMethod for drilling directional wellsBAKER HUGHES INC·Filed 1994·Granted Dec 3, 1996·80 cites·18 claims
- 1884US11619518B2System and method of directional sensor calibrationBench Tree Group LLC·Filed 2020·Granted Apr 4, 2023·1 cites·17 claims
- 1984US6252656B1Apparatus and method of seismic sensing systems using fiber opticsCIDRA CORP·Filed 1998·Granted Jun 26, 2001·68 cites·27 claims
- 2083US9885800B2Steerable magnetic dipole antenna for measurement while drilling applicationsPRECISION ENERGY SERVICES INC·Filed 2016·Granted Feb 6, 2018·3 cites·19 claims
- 2182US6585061B2Calculating directional drilling tool face offsetsPREC DRILLING TECH SERV GROUP·Filed 2001·Granted Jul 1, 2003·67 cites·20 claims
- 2280US10866116B2System and method of directional sensor calibrationBench Tree Group LLC·Filed 2018·Granted Dec 15, 2020·1 cites·18 claims
- 2380US5331331AElectromagnetic propagation tool using dipole antennasBAKER HUGHES INC·Filed 1992·Granted Jul 19, 1994·55 cites·49 claims
- 2479US9140817B2Steerable magnetic dipole antenna for measurement-while-drilling applicationsWISLER MACMILLAN M·Filed 2010·Granted Sep 22, 2015·5 cites·12 claims
- 2579US6218841B1Method and apparatus for determining dip angle, and horizontal and vertical conductivities using multi frequency measurments and a modelBAKER HUGHES INC·Filed 1997·Granted Apr 17, 2001·57 cites·9 claims
- 2676US12345547B2System and method of directional sensor calibrationBench Tree Group LLC·Filed 2023·Granted Jul 1, 2025·0 cites·17 claims
- 2775US7353613B2Directional sensor system comprising a single axis sensor element positioned at multiple controlled orientationsWEATHERFORD CANADA PATNERSHIP·Filed 2006·Granted Apr 8, 2008·12 cites·18 claims
- 2875US6092024AMethod and apparatus for determining resistivity and dielectric anisotropy parameters of earth formations by using multifrequency and/or multispacing measurementsBAKER HUGHES INC·Filed 1998·Granted Jul 18, 2000·56 cites·21 claims
- 2973US6966211B2Downhole calibration system for directional sensorsPREC DRILLING TECH SERV GROUP·Filed 2003·Granted Nov 22, 2005·27 cites·29 claims
- 3068US6305227B1Sensing systems using quartz sensors and fiber opticsCIDRA CORP·Filed 1998·Granted Oct 23, 2001·58 cites·25 claims
- 3166US9366780B2Steerable magnetic dipole antenna for measurement while drilling applicationsWISLER MACMILLAN M·Filed 2009·Granted Jun 14, 2016·6 cites·16 claims
- 3265US6081116ANuclear magnetic resonance apparatus and method for geological applicationsBAKER HUGHES INC·Filed 1998·Granted Jun 27, 2000·38 cites·35 claims
- 3359US6227114B1Select trigger and detonation system using an optical fiberCIDRA CORP·Filed 1998·Granted May 8, 2001·19 cites·23 claims
- 3458US8217597B2Drive circuit for a capacitive loadSUN CHI PING·Filed 2009·Granted Jul 10, 2012·3 cites·10 claims
- 3554US6385545B1Method and apparatus for determining dip angle and horizontal and vertical conductivitiesBAKER HUGHES INC·Filed 2000·Granted May 7, 2002·11 cites·8 claims
- 3645US10345091B2Apparatus and method for magnetic sensor based surface shape analysisCROCUS TECH INC·Filed 2015·Granted Jul 9, 2019·0 cites·18 claims
- 3744US2020131898A1System and method for determining axial magnetic interference in downhole directional sensorsBench Tree Group LLC·Filed 2018·Application pending·0 cites
- 3841US5438267ASingle-switching method of eliminating the effect of electromagnetic coupling between a pair of receiversBAKER HUGHES INC·Filed 1994·Granted Aug 1, 1995·13 cites·27 claims
- 3941US2014268892A1Converter with adjustable output voltageVOLTRONIC POWER TECHNOLOGY CORP·Filed 2013·Application pending·0 cites
- 4036US2008204270A1Measurement-while-drilling mud pulse telemetry reflection cancelationPREC ENERGY SERVICES LTD·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →