Inventor · disambiguated record
David R. Beard
Also filed as: BEARD DAVID · BEARD DAVID R · BEARD DAVID RONALD
35 granted patents·1 pending application·740 citations·filing 1986–2019
97Inventor score
Files withBAKER HUGHES INC16HALLIBURTON ENERGY SERVICES INC8WESTERN ATLAS INT INC7MAURER HANS-MARTIN2FANG SHENG1
Top patents by PatentIndex Score
36 records- 0194US6348792B1Side-looking NMR probe for oil well loggingBAKER HUGHES INC·Filed 2000·Granted Feb 19, 2002·60 cites·36 claims
- 0294US5452761ASynchronized digital stacking method and application to induction logging toolsWESTERN ATLAS INT INC·Filed 1994·Granted Sep 26, 1995·188 cites·15 claims
- 0390US6452388B1Method and apparatus of using soft non-ferritic magnetic material in a nuclear magnetic resonance probeBAKER HUGHES INC·Filed 2000·Granted Sep 17, 2002·42 cites·27 claims
- 0488US11442193B2Passive arm for bi-directional well logging instrumentHALLIBURTON ENERGY SERVICES INC·Filed 2019·Granted Sep 13, 2022·4 cites·15 claims
- 0587US5862513ASystems and methods for forward modeling of well logging tool responsesWESTERN ATLAS INT INC·Filed 1996·Granted Jan 19, 1999·123 cites·20 claims
- 0684US6308136B1Method of interpreting induction logs in horizontal wellsBAKER HUGHES INC·Filed 2000·Granted Oct 23, 2001·54 cites·34 claims
- 0782US6437564B1Estimate of transversal motion of the NMR tool during loggingBAKER HUGHES INC·Filed 2001·Granted Aug 20, 2002·20 cites·15 claims
- 0872US8427164B2Apparatus and method for reducing effects of eccentricity in induction toolsFANG SHENG·Filed 2010·Granted Apr 23, 2013·3 cites·20 claims
- 0972US7126333B2Method and apparatus for correcting ringing in NMR signalsBAKER HUGHES INC·Filed 2004·Granted Oct 24, 2006·29 cites·34 claims
- 1072US5666057AMethod of skin effect correction and data quality verification for a multi-frequency induction well logging instrumentWESTERN ATLAS INT INC·Filed 1996·Granted Sep 9, 1997·51 cites·13 claims
- 1169US7834622B2Configurable magnet assembly for using in NMR well logging instrumentBAKER HUGHES INC·Filed 2007·Granted Nov 16, 2010·8 cites·15 claims
- 1267US7301337B2Frequency dithering to avoid excitation pulse ringingBAKER HUGHES INC·Filed 2003·Granted Nov 27, 2007·7 cites·38 claims
- 1366US6580273B2Side-looking NMR probe for oil well loggingBAKER HUGHES INC·Filed 2002·Granted Jun 17, 2003·21 cites·1 claims
- 1464US7425827B2Method and apparatus for formation evaluation and borehole size determinationBAKER HUGHES INC·Filed 2006·Granted Sep 16, 2008·6 cites·24 claims
- 1563US6445180B1Nuclear magnetic resonance tool with active RF spoiler antennaBAKER HUGHES INC·Filed 2000·Granted Sep 3, 2002·22 cites·44 claims
- 1661US11333787B2Electromagnetic insulating component used in well logging tool padHALLIBURTON ENERGY SERVICES INC·Filed 2018·Granted May 17, 2022·0 cites·20 claims
- 1760US8862406B2Electrical imager operating in oil-based mud and low resistive formationITSKOVICH GREGORY B·Filed 2012·Granted Oct 14, 2014·1 cites·16 claims
- 1860US8669765B2Estimating a parameter of interest with transverse receiver toroidMAURER HANS-MARTIN·Filed 2011·Granted Mar 11, 2014·2 cites·20 claims
- 1960US6597170B1Optimal excitation pulse shaping for multi-frequency measurements in NMR loggingBAKER HUGHES INC·Filed 2000·Granted Jul 22, 2003·19 cites·17 claims
- 2058US8547103B2Multiple depths of investigation using two transmittersMAURER HANS-MARTIN·Filed 2011·Granted Oct 1, 2013·1 cites·19 claims
- 2155US7420373B2Magnetic head for conductivity imaging for use in boreholesBAKER HUGHES INC·Filed 2006·Granted Sep 2, 2008·3 cites·20 claims
- 2255US6525535B2NMR apparatus for oil well logging of large and small diameter wellsBAKER HUGHES INC·Filed 2001·Granted Feb 25, 2003·14 cites·16 claims
- 2354US11118425B2Pumpdown regulatorHALLIBURTON ENERGY SERVICES INC·Filed 2019·Granted Sep 14, 2021·0 cites·20 claims
- 2453US11415534B2Interspersing different wait times in trainlet and partial recovery sequencesHALLIBURTON ENERGY SERVICES INC·Filed 2018·Granted Aug 16, 2022·0 cites·20 claims
- 2552US11561319B2Software tuning of borehole imagersHALLIBURTON ENERGY SERVICES INC·Filed 2017·Granted Jan 24, 2023·0 cites·20 claims
- 2652US6897651B2Method for eliminating effects of acoustic excitations in NMR dataBAKER HUGHES INC·Filed 2003·Granted May 24, 2005·12 cites·34 claims
- 2748US10067259B2Downhole detector with reduced ringingHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Sep 4, 2018·0 cites·25 claims
- 2848US8030938B2Apparatus and method for imaging subsurface materials using a pad having a plurality of electrode setsBAKER HUGHES INC·Filed 2008·Granted Oct 4, 2011·1 cites·20 claims
- 2945US11543555B2Method to estimate formation resistivityHALLIBURTON ENERGY SERVICES INC·Filed 2019·Granted Jan 3, 2023·0 cites·22 claims
- 3042US10996365B2RF flip angle adjustment in a downhole NMR toolHALLIBURTON ENERGY SERVICES INC·Filed 2016·Granted May 4, 2021·0 cites·14 claims
- 3140US5467019AMethod and apparatus for balancing the electrical output of the receiver coils of an induction logging tool by use of a slidable magnetic rod for eliminating direct couplingWESTERN ATLAS INT INC·Filed 1994·Granted Nov 14, 1995·14 cites·6 claims
- 3238US5703772AMethod and apparatus for correcting drift in the response of analog receiver components in induction well logging instrumentsWESTERN ATLAS INT INC·Filed 1995·Granted Dec 30, 1997·12 cites·9 claims
- 3338US2007279063A1Oil-based mud resistivity imaging using resonant circuitsBAKER HUGHES INC·Filed 2006·Application pending·0 cites
- 3436US6049209AAxial resolution enhancement method for resistivity well logs which accounts for lateral variations in the resistivity of earth formations penetrated by a wellboreWESTERN ATLAS INT INC·Filed 1998·Granted Apr 11, 2000·10 cites·7 claims
- 3534US4854408AObstacle surmounting aid for tracked vehicleSECR DEFENCE BRIT·Filed 1986·Granted Aug 8, 1989·5 cites·8 claims
- 3633US5841281AMethod for determining electrical conductivity of earth formations from electromagnetic induction voltage measurementsWESTERN ATLAS INT INC·Filed 1996·Granted Nov 24, 1998·8 cites·6 claims
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