Inventor · disambiguated record
Roland E. Chemali
Also filed as: CHEMALI ROLAND · CHEMALI ROLAND E · CHEMALI ROLAND EDWARD
44 granted patents·6 pending applications·1,413 citations·filing 1979–2022
98Inventor score
Files withBAKER HUGHES INC17HALLIBURTON LOGGING SERVICES6HALLIBURTON ENERGY SERVICES INC4CHEMALI ROLAND E3PYGMALION TECH LLC3
Top patents by PatentIndex Score
50 records- 0198US5428293ALogging while drilling apparatus with multiple depth of resistivity investigationHALLIBURTON LOGGING SERVICES·Filed 1993·Granted Jun 27, 1995·282 cites·28 claims
- 0296US7400262B2Apparatus and methods for self-powered communication and sensor networkBAKER HUGHES INC·Filed 2005·Granted Jul 15, 2008·80 cites·27 claims
- 0394US10183535B1Air motion powered devices for vehicle wheelsPYGMALION TECH LLC·Filed 2017·Granted Jan 22, 2019·7 cites·20 claims
- 0494US5045795AAzimuthally oriented coil array for MWD resistivity loggingHALLIBURTON LOGGING SERVICES·Filed 1990·Granted Sep 3, 1991·126 cites·9 claims
- 0593US9765609B2Downhole optical imaging tools and methodsCHEMALI ROLAND E·Filed 2010·Granted Sep 19, 2017·28 cites·29 claims
- 0693US5038107AMethod and apparatus for making induction measurements through casingHALLIBURTON LOGGING SERVICES·Filed 1989·Granted Aug 6, 1991·90 cites·27 claims
- 0792US7483793B2Method of generating a deep resistivity image in LWD measurementsBAKER HUGHES INC·Filed 2006·Granted Jan 27, 2009·29 cites·11 claims
- 0889US6850068B2Formation resistivity measurement sensor contained onboard a drill bit (resistivity in bit)BAKER HUGHES INC·Filed 2003·Granted Feb 1, 2005·107 cites·12 claims
- 0988US7894990B2Method of generating a deep resistivity image in LWD measurementsBAKER HUGHES INC·Filed 2008·Granted Feb 22, 2011·21 cites·15 claims
- 1087US5892460ALogging while drilling tool with azimuthal sensistivityHALLIBURTON ENERGY SERV INC·Filed 1997·Granted Apr 6, 1999·111 cites·13 claims
- 1186US7405563B2Compensation of magnetic influence in a MWD systemBAKER HUGHES INC·Filed 2007·Granted Jul 29, 2008·21 cites·25 claims
- 1285US7723991B2Apparatus and method for azimuthal MWD resistivity imaging at multiple depths of investigationBAKER HUGHES INC·Filed 2007·Granted May 25, 2010·22 cites·21 claims
- 1384US7375530B2Method for signal enhancement in azimuthal propagation resistivity while drillingBAKER HUGHES INC·Filed 2005·Granted May 20, 2008·20 cites·19 claims
- 1483US7839149B2Multi-component resistivity logging tool with multiple antennas using common antenna groovesBAKER HUGHES INC·Filed 2009·Granted Nov 23, 2010·18 cites·14 claims
- 1581US7994790B2Electromagnetic and magnetostatic shield to perform measurements ahead of the drill bitBAKER HUGHES INC·Filed 2009·Granted Aug 9, 2011·15 cites·17 claims
- 1681US7915895B2Method of calibrating an azimuthal inductive cross-coil or tilted coil instrumentBAKER HUGHES INC·Filed 2007·Granted Mar 29, 2011·16 cites·19 claims
- 1780US6957708B2Electrical imaging in conductive and non-conductive mudBAKER HUGHES INC·Filed 2003·Granted Oct 25, 2005·56 cites·37 claims
- 1878US8008919B2Method for compensating drill pipe and near-borehole effect on and electronic noise in transient resistivity measurementsBAKER HUGHES INC·Filed 2009·Granted Aug 30, 2011·13 cites·14 claims
- 1978US7973532B2Downhole spread spectrum induction instrumentsBAKER HUGHES INC·Filed 2008·Granted Jul 5, 2011·13 cites·20 claims
- 2077US7114565B2Measurement-while-drilling assembly using real-time toolface oriented measurementsBAKER HUGHES INC·Filed 2004·Granted Oct 3, 2006·47 cites·41 claims
- 2177US4319192ADeep and/or shallow electrical resistivity investigation suitable for dual resistivity-induction loggingSCHLUMBERGER TECHNOLOGY CORP·Filed 1979·Granted Mar 9, 1982·30 cites·33 claims
- 2274US9239403B2Apparatus and methods of controlling recordation of resistivity-related readings in determining formation resistivityBITTAR MICHAEL S·Filed 2011·Granted Jan 19, 2016·3 cites·32 claims
- 2374US8332152B2Method and apparatus for eliminating drill effect in pulse induction measurementsITSKOVICH GREGORY B·Filed 2008·Granted Dec 11, 2012·11 cites·20 claims
- 2471US8134476B2Apparatus and methods for self-powered communication and sensor networkCHEMALI ROLAND E·Filed 2008·Granted Mar 13, 2012·10 cites·20 claims
- 2570US7063174B2Method for reservoir navigation using formation pressure testing measurement while drillingBAKER HUGHES INC·Filed 2003·Granted Jun 20, 2006·37 cites·32 claims
- 2669US10385681B2Cross-coupling based fluid front monitoringHALLIBURTON ENERGY SERVICES INC·Filed 2013·Granted Aug 20, 2019·3 cites·22 claims
- 2766US10023017B1Air-drag powered devices for vehicle wheelsPYGMALION TECH LLC·Filed 2017·Granted Jul 17, 2018·0 cites·19 claims
- 2864US6377050B1LWD resistivity device with inner transmitters and outer receivers, and azimuthal sensitivityCOMPUTALOG USA INC·Filed 1999·Granted Apr 23, 2002·46 cites·27 claims
- 2963US8164339B2Apparatus and system for geosteering and formation evaluation utilizing improved antennasFANG SHENG·Filed 2008·Granted Apr 24, 2012·8 cites·20 claims
- 3061US5446654AShoulder effect logging methodHALLIBURTON CO·Filed 1992·Granted Aug 29, 1995·32 cites·3 claims
- 3161US5191290ALogging apparatus for measurement of earth formation resistivityHALLIBURTON LOGGING SERVICES·Filed 1990·Granted Mar 2, 1993·31 cites·9 claims
- 3259US10768336B2Formation logging using multicomponent signal-based measurement of anisotropic permittivity and resistivityHALLIBURTON ENERGY SERVICES INC·Filed 2014·Granted Sep 8, 2020·1 cites·19 claims
- 3356US10353111B2Automated leg quality monitoring systems and methodsSANSTROM WILLIAM C·Filed 2008·Granted Jul 16, 2019·6 cites·10 claims
- 3456US7679527B2Method and apparatus for automated parking assistanceCHEMALI ROLAND EDWARD·Filed 2007·Granted Mar 16, 2010·4 cites·10 claims
- 3554US12332193B2Pulsed neutron apparatus and method for using same to analyze core samplesCORE LABORATORIES LP·Filed 2022·Granted Jun 17, 2025·0 cites·20 claims
- 3654US6020741AWellbore imaging using magnetic permeability measurementsHALLIBURTON ENERGY SERV INC·Filed 1998·Granted Feb 1, 2000·19 cites·20 claims
- 3753US10107094B2Formation density or acoustic impedance logging toolHALLIBURTON ENERGY SERVICES INC·Filed 2014·Granted Oct 23, 2018·0 cites·22 claims
- 3850US4646026AMethod and apparatus for measuring resistivity of an earth formationGEARHART IND INC·Filed 1985·Granted Feb 24, 1987·20 cites·18 claims
- 3949US2008047337A1Early Kick Detection in an Oil and Gas WellBAKER HUGHES INC·Filed 2007·Application pending·0 cites
- 4046US10041343B2Micro-sonic density imaging while drilling systems and methodsCHEMALI ROLAND E·Filed 2010·Granted Aug 7, 2018·0 cites·10 claims
- 4145US4918669AMethod and apparatus for sonic dip measurementHALLIBURTON LOGGING SERVICES·Filed 1989·Granted Apr 17, 1990·16 cites·8 claims
- 4244US10202846B2Stoneley wave based pipe telemetryHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Feb 12, 2019·0 cites·21 claims
- 4344US9146332B2Remotely located tuning circuits for multi-frequency, multi-purpose induction antennae in downhole toolsSIGNORELLI JOHN·Filed 2011·Granted Sep 29, 2015·0 cites·11 claims
- 4443US2018326932A1Air motion powered energy harvesters for vehicle wheelsPYGMALION TECH LLC·Filed 2018·Application pending·0 cites
- 4539US2008018335A1Method and apparatus for obtaining electrical images of a borehole wall through nonconductive mudCHEMALI ROLAND·Filed 2007·Application pending·0 cites
- 4637US5448171AMethod for variable radial depth induction logHALLIBURTON CO·Filed 1993·Granted Sep 5, 1995·9 cites·12 claims
- 4736US2007005251A1Density log without a nuclear sourceBAKER HUGHES INC·Filed 2006·Application pending·0 cites
- 4836US2010283468A1Remotely located tuning circuits for multi-frequency, multi-puropse induction antennae in downhole toolsSIGNORELLI JOHN·Filed 2008·Application pending·0 cites
- 4931US2004051531A1Method and apparatus for obtaining electrical images of a borehole wall through nonconductive mudFiled 2002·Application pending·0 cites
- 5030US5239267AMethod for improving the accuracy of dip determination using adjustable high pass filtersHALLIBURTON LOGGING SERVICES·Filed 1991·Granted Aug 24, 1993·5 cites·4 claims
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