Inventor · disambiguated record
Douglas J. Patterson
Also filed as: PATTERSON DOUGLAS · PATTERSON DOUGLAS J
52 granted patents·13 pending applications·821 citations·filing 2000–2023
98Inventor score
Files withBAKER HUGHES INC37BAKER HUGHES A GE CO LLC5BAKER HUGHES OILFIELD OPERATIONS LLC4BOLSHAKOV ALEXEI2MEKIC NATASA2
Top patents by PatentIndex Score
65 records- 0196US6614360B1Measurement-while-drilling acoustic system employing multiple, segmented transmitters and receiversBAKER HUGHES INC·Filed 2000·Granted Sep 2, 2003·132 cites·28 claims
- 0295US8794062B2Early kick detection in an oil and gas wellDIFOGGIO ROCCO·Filed 2009·Granted Aug 5, 2014·37 cites·9 claims
- 0393US10222501B2Televiewer image wood-grain reduction techniquesBAKER HUGHES INC·Filed 2017·Granted Mar 5, 2019·8 cites·14 claims
- 0492US6930616B2Method and apparatus for LWD shear velocity measurementBAKER HUGHES INC·Filed 2004·Granted Aug 16, 2005·77 cites·33 claims
- 0590US6769497B2Use of axial accelerometer for estimation of instantaneous ROP downhole for LWD and wireline applicationsBAKER HUGHES INC·Filed 2002·Granted Aug 3, 2004·100 cites·17 claims
- 0689US10436018B2Downhole electromagnetic acoustic transducer sensorsBAKER HUGHES INC·Filed 2016·Granted Oct 8, 2019·7 cites·18 claims
- 0789US6909666B2Method and apparatus for generating acoustic signals for LWD shear velocity measurementBAKER HUGHES INC·Filed 2004·Granted Jun 21, 2005·53 cites·49 claims
- 0888US7773454B2Method and apparatus for cement evaluation using multiple acoustic wave typesBAKER HUGHES INC·Filed 2006·Granted Aug 10, 2010·25 cites·27 claims
- 0986US10185052B2Constrained backscatter gamma ray casing and cement inspection toolBAKER HUGHES INC·Filed 2016·Granted Jan 22, 2019·4 cites·30 claims
- 1086US8379483B2Method and apparatus for determining radial shear velocity variation from dipole acoustic loggingBAKER HUGHES INC·Filed 2010·Granted Feb 19, 2013·7 cites·18 claims
- 1186US7492664B2Method for processing acoustic reflections in array data to image near-borehole geological structureBAKER HUGHES INC·Filed 2006·Granted Feb 17, 2009·23 cites·15 claims
- 1285US10605944B2Formation acoustic property measurement with beam-angled transducer arrayBAKER HUGHES A GE CO LLC·Filed 2017·Granted Mar 31, 2020·4 cites·19 claims
- 1383US7681450B2Casing resonant radial flexural modes in cement bond evaluationBAKER HUGHES INC·Filed 2006·Granted Mar 23, 2010·24 cites·8 claims
- 1480US9273545B2Use of Lamb and SH attenuations to estimate cement Vp and Vs in cased boreholeBAKER HUGHES INC·Filed 2012·Granted Mar 1, 2016·5 cites·17 claims
- 1580US8576659B2Method and apparatus for acoustic impedance and P-wave anisotropy measurementsEGEREV SERGEY·Filed 2010·Granted Nov 5, 2013·9 cites·13 claims
- 1680US6850168B2Method and apparatus for LWD shear velocity measurementBAKER HUGHES INC·Filed 2001·Granted Feb 1, 2005·44 cites·36 claims
- 1779US8634272B2Televiewer image wood-grain reduction techniquesSTEINSIEK ROGER R·Filed 2010·Granted Jan 21, 2014·5 cites·19 claims
- 1879US8061206B2Casing thickness evaluation methodBOLSHAKOV ALEXEI·Filed 2009·Granted Nov 22, 2011·12 cites·10 claims
- 1979US7970544B2Method and apparatus for characterizing and estimating permeability using LWD Stoneley-wave dataBAKER HUGHES INC·Filed 2007·Granted Jun 28, 2011·14 cites·22 claims
- 2079US7639562B2Active noise cancellation through the use of magnetic couplingBAKER HUGHES INC·Filed 2006·Granted Dec 29, 2009·13 cites·16 claims
- 2178US8456952B2Curve-fitting technique for determining dispersion characteristics of guided elastic wavesTANG XIAO MING·Filed 2009·Granted Jun 4, 2013·12 cites·20 claims
- 2278US7525872B2Method and apparatus for cement bond evaluation using transversely polarized shear wavesBAKER HUGHES INC·Filed 2004·Granted Apr 28, 2009·39 cites·19 claims
- 2376US7663969B2Use of Lamb waves in cement bond loggingBAKER HUGHES INC·Filed 2005·Granted Feb 16, 2010·17 cites·16 claims
- 2476US7150317B2Use of electromagnetic acoustic transducers in downhole cement evaluationBAKER HUGHES INC·Filed 2004·Granted Dec 19, 2006·37 cites·53 claims
- 2575US8913461B2Televiewer image wood-grain reduction techniquesBAKER HUGHES INC·Filed 2013·Granted Dec 16, 2014·3 cites·18 claims
- 2672US11359484B2Expandable filtration media and gravel pack analysis using low frequency acoustic wavesPATTERSON DOUGLAS J·Filed 2019·Granted Jun 14, 2022·2 cites·18 claims
- 2772US7626886B2P-wave anisotropy determination using borehole measurementsBAKER HUGHES INC·Filed 2006·Granted Dec 1, 2009·10 cites·21 claims
- 2869US10416330B2Composite transducer for downhole ultrasonic imaging and caliper measurementSTEINSIEK ROGER R·Filed 2009·Granted Sep 17, 2019·8 cites·11 claims
- 2969US10302792B2Detection of high incident reflective boundaries using near-field shear wavesBAKER HUGHES INC·Filed 2016·Granted May 28, 2019·1 cites·19 claims
- 3068US10557959B2Evaluation of physical properties of a material behind a casing utilizing guided acoustic wavesMATUSZYK PAWEL JERZY·Filed 2016·Granted Feb 11, 2020·2 cites·20 claims
- 3168US8004932B2Identification of stress in formations using angles of fast and slow dipole waves in borehole acoustic loggingBAKER HUGHES INC·Filed 2009·Granted Aug 23, 2011·8 cites·19 claims
- 3267US9670770B2Fracture evaluation through cased boreholesMEKIC NATASA·Filed 2014·Granted Jun 6, 2017·3 cites·20 claims
- 3367US8880348B2Radon migration of acoustic dataBOLSHAKOV ALEXEI·Filed 2011·Granted Nov 4, 2014·3 cites·19 claims
- 3463US6820716B2Acoustic isolator for well logging systemBAKER HUGHES INC·Filed 2003·Granted Nov 23, 2004·17 cites·18 claims
- 3561US6985086B2Method and apparatus for LWD shear velocity measurementBAKER HUGHES INC·Filed 2004·Granted Jan 10, 2006·20 cites·19 claims
- 3659US9885795B2Acoustic wave imaging of formationsMEKIC NATASA·Filed 2014·Granted Feb 6, 2018·1 cites·20 claims
- 3758US7311143B2Method and apparatus for generation of acoustic shear waves through casing using physical coupling of vibrating magnetsBAKER HUGHES INC·Filed 2004·Granted Dec 25, 2007·17 cites·23 claims
- 3857US7672784B2Using statistics of a fitting function for data-driven dispersion slowness processingBAKER HUGHES INC·Filed 2007·Granted Mar 2, 2010·4 cites·11 claims
- 3955US7633834B2VSP pattern recognition in absolute timeBAKER HUGHES INC·Filed 2007·Granted Dec 15, 2009·4 cites·19 claims
- 4054US11378708B2Downhole fluid density and viscosity sensor based on ultrasonic plate wavesBAKER HUGHES A GE CO LLC·Filed 2018·Granted Jul 5, 2022·0 cites·20 claims
- 4154US8944183B2Low frequency formation shear slowness from drilling noise derived quadrupole array dataGEERITS THEODORUS W·Filed 2011·Granted Feb 3, 2015·1 cites·18 claims
- 4251US11822032B2Casing wall thickness detection from higher order shear-horizontal mode signalsBAKER HUGHES·Filed 2018·Granted Nov 21, 2023·0 cites·19 claims
- 4350US11719090B2Enhanced cement bond and micro-annulus detection and analysisBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2020·Granted Aug 8, 2023·0 cites·10 claims
- 4450US11378709B2Through tubing acoustic imagingBAKER HUGHES A GE CO LLC·Filed 2019·Granted Jul 5, 2022·0 cites·17 claims
- 4550US7646673B2Wave analysis using phase velocity processingBAKER HUGHES INC·Filed 2006·Granted Jan 12, 2010·3 cites·28 claims
- 4649US12180824B2Anisotropic casing solids and fluids identification system and method using shear and flexural acoustic wavesBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2022·Granted Dec 31, 2024·0 cites·20 claims
- 4749US11899036B2Methodology for annular solids and fluids differentiation through integration of shear and flexural ultrasonic acoustic wavesKAMGANG SEBASTIEN·Filed 2021·Granted Feb 13, 2024·0 cites·20 claims
- 4849US7911877B2Active noise cancellation through the use of magnetic couplingBAKER HUGHES INC·Filed 2009·Granted Mar 22, 2011·1 cites·8 claims
- 4948US2009231954A1Micro-Annulus Detection Using Lamb WavesBAKER HUGHES INC·Filed 2008·Application pending·0 cites
- 5047US2024218781A1Characterization system and method for cement evaluation through-tubingBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2023·Application pending·0 cites
Showing the top 50 of 65 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →