Inventor · disambiguated record
Songhua Chen
Also filed as: CHEN SONGHUA
106 granted patents·18 pending applications·1,120 citations·filing 1997–2025
99Inventor score
Files withHALLIBURTON ENERGY SERVICES INC77BAKER HUGHES INC27CHEN SONGHUA7LI LILONG3WESTERN ATLAS INT INC2
Top patents by PatentIndex Score
124 records- 0197US11422283B1Reducing motion effects on nuclear magnetic resonance relaxation dataHALLIBURTON ENERGY SERVICES INC·Filed 2021·Granted Aug 23, 2022·5 cites·20 claims
- 0295US12259516B2Downhole detection of lithium containing minerals by lithium 7 nuclear magnetic resonanceHALLIBURTON ENERGY SERVICES INC·Filed 2023·Granted Mar 25, 2025·2 cites·20 claims
- 0395US6755246B2In-situ heavy-oil reservoir evaluation with artificial temperature elevationBAKER HUGHES INC·Filed 2002·Granted Jun 29, 2004·86 cites·35 claims
- 0495US6392409B1Determination of T1 relaxation time from multiple wait time NMR logs acquired in the same or different logging passesBAKER HUGHES INC·Filed 2000·Granted May 21, 2002·89 cites·23 claims
- 0594US7565833B2Automatic adjustment of NMR pulse sequence to optimize SNR based on real time analysisBAKER HUGHES INC·Filed 2007·Granted Jul 28, 2009·26 cites·11 claims
- 0692US7363161B2Pore-scale geometric models for interpretation of downhole formation evaluation dataBAKER HUGHES INC·Filed 2006·Granted Apr 22, 2008·38 cites·23 claims
- 0791US11175430B1Processing nuclear magnetic resonance signals in a downhole environmentHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Nov 16, 2021·2 cites·20 claims
- 0891US10969513B2Temperature correction of NMR relaxation time distributionsHALLIBURTON ENERGY SERVICES INC·Filed 2019·Granted Apr 6, 2021·3 cites·20 claims
- 0991US10761157B2Analyzing fluids in core samples contained in pressurized NMR core holders with 1H and 19F NMRHALLIBURTON ENERGY SERVICES INC·Filed 2016·Granted Sep 1, 2020·7 cites·14 claims
- 1091US9377557B2Azimuthally-selective downhole nuclear magnetic resonance (NMR) toolHALLIBURTON ENERGY SERVICES INC·Filed 2014·Granted Jun 28, 2016·11 cites·26 claims
- 1191US8646520B2Precision marking of subsurface locationsCHEN SONGHUA·Filed 2011·Granted Feb 11, 2014·15 cites·19 claims
- 1291US7825659B2Pore-scale geometric models for interpretation of downhole formation evaluation dataBAKER HUGHES INC·Filed 2008·Granted Nov 2, 2010·20 cites·25 claims
- 1390US7257490B2Pore-scale geometric models for interpretation of downhole formation evaluation dataBAKER HUGHES INC·Filed 2005·Granted Aug 14, 2007·29 cites·31 claims
- 1489US12189080B2Data inversion to reduce motion effects on nuclear magnetic resonance relaxation dataHALLIBURTON ENERGY SERVICES INC·Filed 2022·Granted Jan 7, 2025·1 cites·20 claims
- 1589US8633689B2NMR flow metering using velocity selection and remote detectionLI LILONG·Filed 2010·Granted Jan 21, 2014·9 cites·26 claims
- 1689US7356413B2Pore-scale geometric models for interpretation of downhole formation evaluation dataBAKER HUGHES INC·Filed 2005·Granted Apr 8, 2008·27 cites·27 claims
- 1789US6069477AMethod for improving the accuracy of NMR relaxation distribution analysis with two echo trainsWESTERN ATLAS INT INC·Filed 1997·Granted May 30, 2000·73 cites·15 claims
- 1888US10222505B2Combined NMR-resistivity measurement apparatus, systems, and methodsHALLIBURTON ENERGY SERVICES INC·Filed 2014·Granted Mar 5, 2019·7 cites·19 claims
- 1987US11353619B2Determining sub-surface formation wettability characteristics utilizing nuclear magnetic resonance and bulk fluid measurementsHALLIBURTON ENERGY SERVICES INC·Filed 2018·Granted Jun 7, 2022·3 cites·21 claims
- 2087US10927674B2Method and system for extracting reservoir fluid sampleHALLIBURTON ENERGY SERVICES INC·Filed 2016·Granted Feb 23, 2021·4 cites·23 claims
- 2187US10527748B2Nuclear magnetic resonance sensing device for downhole measurementsHALLIBURTON ENERGY SERVICES INC·Filed 2016·Granted Jan 7, 2020·3 cites·20 claims
- 2287US10317351B2Pressurized NMR core analyzerHALLIBURTON ENERGY SERVICES INC·Filed 2016·Granted Jun 11, 2019·7 cites·20 claims
- 2387US9335195B2Multiphase meter to provide data for production managementONG JOO TIM·Filed 2011·Granted May 10, 2016·9 cites·13 claims
- 2486US9081117B2Method and apparatus for predicting petrophysical properties from NMR data in carbonate rocksWU JIANGHUI·Filed 2011·Granted Jul 14, 2015·12 cites·21 claims
- 2586US7298142B2Method and apparatus for reservoir fluid characterization in nuclear magnetic resonance loggingBAKER HUGHES INC·Filed 2005·Granted Nov 20, 2007·25 cites·24 claims
- 2686US6388441B1Method for processing NMR data without phase-alternating-pair (PAP) averagingBAKER HUGHES INC·Filed 2000·Granted May 14, 2002·30 cites·15 claims
- 2786US6225803B1NMR log processing using wavelet filter and iterative inversionBAKER HUGHES INC·Filed 1998·Granted May 1, 2001·60 cites·40 claims
- 2885US11327197B2Device and method for parallel pressure-volume-temperature analysis using gas chromatography and mass spectrometryHALLIBURTON ENERGY SERVICES INC·Filed 2018·Granted May 10, 2022·1 cites·34 claims
- 2985US10197698B2Downhole nuclear magnetic resonance (NMR) tool with transversal-dipole antenna configurationHALLIBURTON ENERGY SERVICES INC·Filed 2014·Granted Feb 5, 2019·7 cites·20 claims
- 3085US8610431B2NMR contrast loggingCHEN SONGHUA·Filed 2011·Granted Dec 17, 2013·7 cites·22 claims
- 3185US6400148B1Use of redundant data for log quality measurementsBAKER HUGHES INC·Filed 2000·Granted Jun 4, 2002·61 cites·15 claims
- 3284US11530999B2Pore contribution corrected quantifying of surface roughnessHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Dec 20, 2022·2 cites·20 claims
- 3384US10983242B2Nuclear magnetic resonance sensing and fluid sampling device for subterranean characterizationHALLIBURTON ENERGY SERVICES INC·Filed 2016·Granted Apr 20, 2021·2 cites·6 claims
- 3484US7253617B1Method and apparatus for characterizing heavy oil components in petroleum reservoirsBAKER HUGHES INC·Filed 2006·Granted Aug 7, 2007·25 cites·19 claims
- 3583US6331775B1Gas zone evaluation by combining dual wait time NMR data with density dataBAKER HUGHES INC·Filed 1999·Granted Dec 18, 2001·66 cites·22 claims
- 3682US8692547B2Formation evaluation capability from near-wellbore logging using relative permeability modifiersCHEN SONGHUA·Filed 2011·Granted Apr 8, 2014·5 cites·17 claims
- 3781US11062439B2Automating microfacies analysis of petrographic imagesHALLIBURTON ENERGY SERVICES INC·Filed 2019·Granted Jul 13, 2021·6 cites·26 claims
- 3881US8115481B2Method of discerning water from hydrocarbon fluids using downhole NMR instruments in petroleum reservoirs with formation brineCHEN SONGHUA·Filed 2008·Granted Feb 14, 2012·16 cites·18 claims
- 3980US8729893B2Nuclear magnetic resonance 1H and 13C multiphase flow measurements, estimating phase selected flow rates from velocity distributions, volume fractions, and mean velocityLI LILONG·Filed 2010·Granted May 20, 2014·5 cites·14 claims
- 4080US8131469B2Data acquisition and processing for invasion profile and gas zone analysis with NMR dual or multiple interecho spacing time logsCHEN SONGHUA·Filed 2008·Granted Mar 6, 2012·10 cites·22 claims
- 4179US11774623B2Microfluidic device and method for parallel pressure-volume-temperature analysis in reservoir simulationsHALLIBURTON ENERGY SERVICES INC·Filed 2022·Granted Oct 3, 2023·0 cites·35 claims
- 4279US10379249B2Oil viscosity predictionHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Aug 13, 2019·2 cites·20 claims
- 4379US7301338B2Automatic adjustment of NMR pulse sequence to optimize SNR based on real time analysisBAKER HUGHES INC·Filed 2005·Granted Nov 27, 2007·17 cites·14 claims
- 4479US6600316B2Rapid NMR multi-frequency T1 and T2 acquisition for earth formations evaluation with MWD or wireline toolsBAKER HUGHES INC·Filed 2002·Granted Jul 29, 2003·37 cites·36 claims
- 4578US6084408AMethods for acquisition and processing of nuclear magnetic resonance signals for determining fluid properties in petroleum reservoirs having more than one fluid phaseWESTERN ATLAS INT INC·Filed 1998·Granted Jul 4, 2000·61 cites·32 claims
- 4678US2025085454A1Sequential residual symbolic regression for modeling formation evaluation and reservoir fluid parametersHALLIBURTON ENERGY SERVICES INC·Filed 2023·Application pending·0 cites
- 4777US11371827B2Multiple scale analysis of core sample to estimate surface roughnessHALLIBURTON ENERGY SERVICES INC·Filed 2019·Granted Jun 28, 2022·2 cites·20 claims
- 4877US10324222B2Methods and systems employing NMR-based prediction of pore throat size distributionsHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Jun 18, 2019·3 cites·22 claims
- 4976US10895659B2Detecting nuclear magnetic resonance logging tool motionHALLIBURTON ENERGY SERVICES INC·Filed 2019·Granted Jan 19, 2021·1 cites·19 claims
- 5076US2025270918A1Induction loop cementing progress detectionHALLIBURTON ENERGY SERVICES INC·Filed 2025·Application pending·0 cites
Showing the top 50 of 124 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →