Inventor · disambiguated record
David M. Chace
Also filed as: CHACE DAVID · CHACE DAVID M
30 granted patents·2 pending applications·371 citations·filing 1981–2023
97Inventor score
Files withBAKER HUGHES INC11CHACE DAVID M5INANC FEYZI3WESTERN ATLAS INT INC3BAKER HUGHES A GE CO LLC2
Top patents by PatentIndex Score
32 records- 0195US8074737B2Wireless perforating gun initiationHILL FREEMAN L·Filed 2007·Granted Dec 13, 2011·98 cites·31 claims
- 0294US10585209B2Gamma ray spectra contrast sharpeningBAKER HUGHES A GE CO LLC·Filed 2018·Granted Mar 10, 2020·8 cites·18 claims
- 0388US10520641B2Gamma calibrationBAKER HUGHES INC·Filed 2017·Granted Dec 31, 2019·4 cites·20 claims
- 0485US8964504B2Method and apparatus for evaluating a cemented borehole casingCHACE DAVID M·Filed 2011·Granted Feb 24, 2015·12 cites·20 claims
- 0584US7227129B2Flowshot techniqueBAKER HUGHES INC·Filed 2005·Granted Jun 5, 2007·14 cites·34 claims
- 0683US9261622B2Elemental concentration determination using neutron-induced activation gamma radiationINANC FEYZI·Filed 2011·Granted Feb 16, 2016·4 cites·18 claims
- 0781US7554081B2Method and apparatus for determining silicon content of the earth formations in cased well boresBAKER HUGHES INC·Filed 2007·Granted Jun 30, 2009·16 cites·23 claims
- 0879US9599743B2Density measurements using detectors on a pulsed neutron measurement platformINANC FEYZI·Filed 2015·Granted Mar 21, 2017·2 cites·20 claims
- 0978US6601461B2Multi-phase compensated spinner flow meterBAKER HUGHES INC·Filed 2001·Granted Aug 5, 2003·23 cites·15 claims
- 1077US7372018B2Determination of gas pressure and saturation simultaneouslyBAKER HUGHES INC·Filed 2005·Granted May 13, 2008·14 cites·27 claims
- 1176US11906690B2Obtaining inelastic spectra free of detector born gamma rays induced by neutronsBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2019·Granted Feb 20, 2024·1 cites·20 claims
- 1276US9696454B1Identifying weighting material sag with pulsed neutron logsBAKER HUGHES INC·Filed 2016·Granted Jul 4, 2017·3 cites·18 claims
- 1376US9086500B2Apparatus and method for pulsed neutron measurementANSARI RAFAY Z·Filed 2011·Granted Jul 21, 2015·6 cites·20 claims
- 1476US8978481B2Simultaneous ultrasonic cross-correlation and transit time measurements for multiphase flow rate analysisPOWELL CHRISTOPHER J·Filed 2011·Granted Mar 17, 2015·8 cites·18 claims
- 1572US9885802B2Downhole cement evalution using pulsed neutron measurementsCHACE DAVID M·Filed 2014·Granted Feb 6, 2018·4 cites·11 claims
- 1672US5606124AApparatus and method for determining the gravitational orientation of a well logging instrumentWESTERN ATLAS INT INC·Filed 1996·Granted Feb 25, 1997·64 cites·14 claims
- 1766US10725200B2Water saturation determination using an oxygen estimate and formation lithologyBAKER HUGHES A GE CO LLC·Filed 2018·Granted Jul 28, 2020·0 cites·24 claims
- 1866US10324224B2Elemental concentration determination using neutron-induced activation gamma radiationINANC FEYZI·Filed 2011·Granted Jun 18, 2019·1 cites·15 claims
- 1960US10324225B2Water saturation determination using an oxygen estimate and formation lithologyBAKER HUGHES INC·Filed 2016·Granted Jun 18, 2019·0 cites·14 claims
- 2060US4430567AMethod and apparatus for neutron induced gamma ray logging for direct porosity identificationDRESSER IND·Filed 1981·Granted Feb 7, 1984·19 cites·11 claims
- 2158US8502135B2Method for through-casing 3-phase saturation determinationCHACE DAVID M·Filed 2011·Granted Aug 6, 2013·1 cites·21 claims
- 2256US12486760B2Method and apparatus for evaluating the expansion of shape memory polymer in well completionsBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2023·Granted Dec 2, 2025·0 cites·13 claims
- 2356US5949069AMethod and apparatus for measuring volumetric water flow rates in highly inclined wellboresWESTERN ATLAS INT INC·Filed 1997·Granted Sep 7, 1999·20 cites·5 claims
- 2455US5404752AMethod for measuring the velocity of water flow through nested conduitsWESTERN ATLAS INT INC·Filed 1993·Granted Apr 11, 1995·28 cites·11 claims
- 2552US8903658B2Apparatus and method for measuring downhole fluid composition and propertiesMARSH ROGER·Filed 2011·Granted Dec 2, 2014·1 cites·20 claims
- 2650US10125600B2System and method for sensing fluids downholeBAKER HUGHES INC·Filed 2015·Granted Nov 13, 2018·0 cites·16 claims
- 2749US9360586B2Water saturation determination using an oxygen estimate and formation lithologyCHACE DAVID M·Filed 2011·Granted Jun 7, 2016·0 cites·8 claims
- 2847US4612439AMethod and apparatus for natural gamma ray well loggingDRESSER IND·Filed 1984·Granted Sep 16, 1986·11 cites·15 claims
- 2946US7186971B2Flowshot techniqueBAKER HUGHES INC·Filed 2004·Granted Mar 6, 2007·9 cites·24 claims
- 3044US8525103B2Method for hydrocarbon saturation and hydraulic frac placementCHACE DAVID M·Filed 2011·Granted Sep 3, 2013·0 cites·22 claims
- 3140US2011172922A1Drop/Pump Memory Through-Casing Measurement Logging ToolsBAKER HUGHES INC·Filed 2010·Application pending·0 cites
- 3235US2013020075A1Pulsed Neutron Monitoring of Hydraulic Fracturing and Acid TreatmentBAKER HUGHES INC·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →