Inventor · disambiguated record
John W. Harrell
Also filed as: HARRELL JOHN · HARRELL JOHN W · HARRELL JOHN WOODROW · LEMBCKE JEFFREY J
43 granted patents·3 pending applications·6,876 citations·filing 1974–2012
99Inventor score
Files withBAKER HUGHES INC28MOBIL OIL CORP6HALLIBURTON ENERGY SERV INC4BAKER HUGHES CORP1DELONG MARC1
Top patents by PatentIndex Score
46 records- 0199US6281489B1Monitoring of downhole parameters and tools utilizing fiber opticsBAKER HUGHES INC·Filed 1998·Granted Aug 28, 2001·383 cites·17 claims
- 0299US5842149AClosed loop drilling systemBAKER HUGHES INC·Filed 1996·Granted Nov 24, 1998·468 cites·33 claims
- 0398US6206108B1Drilling system with integrated bottom hole assemblyBAKER HUGHES INC·Filed 1997·Granted Mar 27, 2001·485 cites·28 claims
- 0498US6176323B1Drilling systems with sensors for determining properties of drilling fluid downholeBAKER HUGHES INC·Filed 1998·Granted Jan 23, 2001·786 cites·64 claims
- 0598US6112817AFlow control apparatus and methodsBAKER HUGHES INC·Filed 1998·Granted Sep 5, 2000·331 cites·17 claims
- 0698US6041860AApparatus and method for performing imaging and downhole operations at a work site in wellboresBAKER HUGHES INC·Filed 1997·Granted Mar 28, 2000·308 cites·62 claims
- 0797US7201221B2Wellbores utilizing fiber optic-based sensors and operating devicesBAKER HUGHES INC·Filed 2006·Granted Apr 10, 2007·79 cites·11 claims
- 0897US6588266B2Monitoring of downhole parameters and tools utilizing fiber opticsBAKER HUGHES INC·Filed 2001·Granted Jul 8, 2003·288 cites·32 claims
- 0997US6268911B1Monitoring of downhole parameters and tools utilizing fiber opticsBAKER HUGHES INC·Filed 1998·Granted Jul 31, 2001·254 cites·14 claims
- 1097US6167965B1Electrical submersible pump and methods for enhanced utilization of electrical submersible pumps in the completion and production of wellboresBAKER HUGHES INC·Filed 1996·Granted Jan 2, 2001·440 cites·35 claims
- 1197US6088294ADrilling system with an acoustic measurement-while-driving system for determining parameters of interest and controlling the drilling directionBAKER HUGHES INC·Filed 1997·Granted Jul 11, 2000·465 cites·65 claims
- 1296US6233524B1Closed loop drilling systemBAKER HUGHES INC·Filed 1999·Granted May 15, 2001·379 cites·27 claims
- 1396US5995449AMethod and apparatus for improved communication in a wellbore utilizing acoustic signalsBAKER HUGHES INC·Filed 1996·Granted Nov 30, 1999·178 cites·17 claims
- 1496US5869968AMethod and apparatus for avoiding mutual coupling between receivers in measurement while drillingBAKER HUGHES INC·Filed 1996·Granted Feb 9, 1999·198 cites·9 claims
- 1595US7040390B2Wellbores utilizing fiber optic-based sensors and operating devicesBAKER HUGHES INC·Filed 2003·Granted May 9, 2006·112 cites·28 claims
- 1695US6065538AMethod of obtaining improved geophysical information about earth formationsBAKER HUGHES CORP·Filed 1997·Granted May 23, 2000·169 cites·59 claims
- 1793US8789587B2Monitoring of downhole parameters and tools utilizing fiber opticsTUBEL PAULO·Filed 2009·Granted Jul 29, 2014·32 cites·14 claims
- 1893US6450258B2Method and apparatus for improved communication in a wellbore utilizing acoustic signalsBAKER HUGHES INC·Filed 2001·Granted Sep 17, 2002·96 cites·33 claims
- 1993US6209640B1Method of obtaining improved geophysical information about earth formationsBAKER HUGHES INC·Filed 2000·Granted Apr 3, 2001·95 cites·22 claims
- 2093US6006844AMethod and apparatus for simultaneous coring and formation evaluationBAKER HUGHES INC·Filed 1996·Granted Dec 28, 1999·169 cites·31 claims
- 2193US5679894AApparatus and method for drilling boreholesBAKER HUGHES INC·Filed 1995·Granted Oct 21, 1997·182 cites·82 claims
- 2292US4088154AAutomatically controlled desurging systemMOBIL OIL CORP·Filed 1976·Granted May 9, 1978·76 cites·14 claims
- 2390US6787758B2Wellbores utilizing fiber optic-based sensors and operating devicesBAKER HUGHES INC·Filed 2002·Granted Sep 7, 2004·78 cites·7 claims
- 2490US6302204B1Method of obtaining improved geophysical information about earth formationsBAKER HUGHES INC·Filed 2000·Granted Oct 16, 2001·74 cites·22 claims
- 2590US5667023AMethod and apparatus for drilling and completing wellsBAKER HUGHES INC·Filed 1996·Granted Sep 16, 1997·147 cites·25 claims
- 2688US6097310AMethod and apparatus for mud pulse telemetry in underbalanced drilling systemsBAKER HUGHES INC·Filed 1999·Granted Aug 1, 2000·140 cites·24 claims
- 2787US6828547B2Wellbores utilizing fiber optic-based sensors and operating devicesSENSOR HIGHWAY LTD·Filed 2003·Granted Dec 7, 2004·57 cites·19 claims
- 2887US6253848B1Method of obtaining improved geophysical information about earth formationsBAKER HUGHES INC·Filed 2000·Granted Jul 3, 2001·56 cites·30 claims
- 2986US6310829B1Method and apparatus for improved communication in a wellbore utilizing acoustic signalsBAKER HUGHES INC·Filed 1998·Granted Oct 30, 2001·81 cites·20 claims
- 3078US6763883B2Method and apparatus for improved communication in a wellbore utilizing acoustic signalsBAKER HUGHES INC·Filed 2002·Granted Jul 20, 2004·35 cites·1 claims
- 3178US4132943ARemote sensing of hydrocarbon gas seeps utilizing microwave energyMOBIL OIL·Filed 1977·Granted Jan 2, 1979·30 cites·10 claims
- 3264US3932836ADC/AC motor drive for a downhole acoustic transmitter in a logging-while-drilling systemMOBIL OIL CORP·Filed 1974·Granted Jan 13, 1976·27 cites·9 claims
- 3361US6325153B1Multi-valve fluid flow control system and methodHALLIBURTON ENERGY SERV INC·Filed 1999·Granted Dec 4, 2001·39 cites·12 claims
- 3458US6438070B1Hydrophone for use in a downhole toolHALLIBURTON ENERGY SERV INC·Filed 1999·Granted Aug 20, 2002·26 cites·9 claims
- 3555US6216784B1Subsurface electro-hydraulic power unitHALLIBURTON ENERGY SERV INC·Filed 1999·Granted Apr 17, 2001·31 cites·20 claims
- 3654US4134799AMethod for selecting a demulsifier for breaking a water-in-oil emulsionMOBIL OIL CORP·Filed 1977·Granted Jan 16, 1979·14 cites·5 claims
- 3753US6187469B1High temperature solid state hollow cylindrical battery including a plurality of solid polymer electrolyte cellHYDRO QUEBEC·Filed 1998·Granted Feb 13, 2001·25 cites·19 claims
- 3852US4001775AAutomatic bit synchronization method and apparatus for a logging-while-drilling receiverMOBIL OIL CORP·Filed 1974·Granted Jan 4, 1977·16 cites·14 claims
- 3947US6594199B2Hydrophone for use in a downhole toolHALLIBURTON ENERGY SERV INC·Filed 2002·Granted Jul 15, 2003·3 cites·25 claims
- 4042US5373596AShoe stretching deviceFiled 1993·Granted Dec 20, 1994·11 cites·1 claims
- 4140US4355378ALogging system depth recorderMOBIL OIL CORP·Filed 1980·Granted Oct 19, 1982·8 cites·5 claims
- 4238US2005022987A1Method and apparatus for improved communication in a wellbore utilizing acoustic signalsBAKER HUGHES INC·Filed 2004·Application pending·0 cites
- 4334US4390878ATwo receiver noise loggersMOBIL OIL CORP·Filed 1981·Granted Jun 28, 1983·5 cites·10 claims
- 4434US2002066309A1Monitoring of downhole parameters and tools utilizing fiber opticsFiled 2001·Application pending·0 cites
- 4534US2003205083A1Monitoring of downhole parameters and tools utilizing fiber opticsBAKER HUGHES INC·Filed 2003·Application pending·0 cites
- 4622US9412344B2Stringed instrument apparatus and methodsDELONG MARC·Filed 2012·Granted Aug 9, 2016·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →