Inventor · disambiguated record
Lalitha Venkataramanan
Also filed as: VENKATARAMANAN LALITHA
36 granted patents·14 pending applications·425 citations·filing 2000–2025
97Inventor score
Files withSCHLUMBERGER TECHNOLOGY CORP44VENKATARAMANAN LALITHA3DUBOST FRANCOIS1GRUBER FRED K1RAGHURAMAN BHAVANI1
Top patents by PatentIndex Score
50 records- 0194US6570382B1Nuclear magnetic resonance method and logging apparatusSCHLUMBERGER TECHNOLOGY CORP·Filed 2000·Granted May 27, 2003·70 cites·67 claims
- 0293US7305306B2System and methods of deriving fluid properties of downhole fluids and uncertainty thereofSCHLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted Dec 4, 2007·52 cites·21 claims
- 0393US6891369B2Nuclear magnetic resonance method and logging apparatus for fluid analysisSCHLUMBERGER TECHNOLOGY CORP·Filed 2002·Granted May 10, 2005·68 cites·64 claims
- 0492US6462542B1Nuclear magnetic resonance measurements and methods of analyzing nuclear magnetic resonance dataSCHLUMBERGER TECHNOLOGY CORP·Filed 2001·Granted Oct 8, 2002·55 cites·21 claims
- 0589US12123863B2Processes and systems for determining if downhole fluids are in equilibrium or non-equilibriumSCHLUMBERGER TECHNOLOGY CORP·Filed 2021·Granted Oct 22, 2024·2 cites·20 claims
- 0689US6597171B2Nuclear magnetic resonance methods for extracting information about a fluid in a rockSCHLUMBERGER TECHNOLOGY CORP·Filed 2001·Granted Jul 22, 2003·52 cites·32 claims
- 0787US9222902B2Estimations of nuclear magnetic resonance measurement distributionsGRUBER FRED K·Filed 2012·Granted Dec 29, 2015·13 cites·19 claims
- 0886US7398159B2System and methods of deriving differential fluid properties of downhole fluidsSCHLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted Jul 8, 2008·28 cites·27 claims
- 0985US8587302B2Modified pulse sequence to estimate propertiesVENKATARAMANAN LALITHA·Filed 2010·Granted Nov 19, 2013·5 cites·40 claims
- 1083US9753176B2Estimating adsorbed gas volume from NMR and dielectric logsSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Sep 5, 2017·8 cites·10 claims
- 1181US9671516B2Modified pulse sequence to estimate propertiesVENKATARAMANAN LALITHA·Filed 2012·Granted Jun 6, 2017·3 cites·24 claims
- 1278US10393641B2Methods of determining cementation exponent and saturation exponent in porous media from dielectric dispersion dataSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Aug 27, 2019·2 cites·20 claims
- 1377US9939506B2Methods of investigating formation samples using NMR dataSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Apr 10, 2018·3 cites·10 claims
- 1476US6883702B2Method and apparatus for NMR measurement of wettabilitySCHLUMBERGER TECHNOLOGY CORP·Filed 2003·Granted Apr 26, 2005·36 cites·26 claims
- 1575US9733383B2Methods for compositional analysis of downhole fluids using data from NMR and other toolsSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Aug 15, 2017·3 cites·20 claims
- 1674US11893495B2Dual neural network architecture for determining epistemic and aleatoric uncertaintiesSCHLUMBERGER TECHNOLOGY CORP·Filed 2020·Granted Feb 6, 2024·1 cites·24 claims
- 1774US9703003B2Methods for compositional analysis of downhole fluids using data from NMR and other toolsSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Jul 11, 2017·3 cites·38 claims
- 1873US2025270927A1Estimation of fluid saturation of a formation from integration of multiple well logsSCHLUMBERGER TECHNOLOGY CORP·Filed 2025·Application pending·0 cites
- 1972US10228484B2Robust multi-dimensional inversion from wellbore NMR measurementsSCHLUMBERGER TECHNOLOGY CORP·Filed 2016·Granted Mar 12, 2019·2 cites·23 claims
- 2069US9715033B2Methods for compositional analysis of downhole fluids using data from NMR and other toolsSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Jul 25, 2017·2 cites·20 claims
- 2167US10557809B2Modified pulse sequence to estimate propertiesSCHLUMBERGER TECHNOLOGY CORP·Filed 2017·Granted Feb 11, 2020·0 cites·26 claims
- 2267US10330816B2Imaging subterranean formations and features using azimuthal phase encodingSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Jun 25, 2019·1 cites·16 claims
- 2367US2024418698A1Method of determining saturates, aromatics, resins, and asphaltene (sara) fractions of reservoir fluid during downhole fluid analysisSCHLUMBERGER TECHNOLOGY CORP·Filed 2024·Application pending·0 cites
- 2464US7674624B2Method for real-time determination of volume fractions of a production fluid in a hydrocarbon reservoirSCHLUMBERGER TECHNOLOGY CORP·Filed 2003·Granted Mar 9, 2010·4 cites·27 claims
- 2564US2025035803A1Microseismic waveform processing leveraging machine learningSCHLUMBERGER TECHNOLOGY CORP·Filed 2024·Application pending·0 cites
- 2662US10802099B2Methods of investigating formation samples using NMR dataSCHLUMBERGER TECHNOLOGY CORP·Filed 2018·Granted Oct 13, 2020·0 cites·20 claims
- 2761US12291963B2Estimation of fluid saturation of a formation from integration of multiple well logsSCHLUMBERGER TECHNOLOGY CORP·Filed 2020·Granted May 6, 2025·0 cites·14 claims
- 2861US7231305B2Flow rate determinationSCHLUMBERGER TECHNOLOGY CORP·Filed 2004·Granted Jun 12, 2007·10 cites·25 claims
- 2956US11774622B2System and method for reducing a feasible region of solutions in a relative permeability and capillary pressure curveSCHLUMBERGER TECHNOLOGY CORP·Filed 2018·Granted Oct 3, 2023·0 cites·20 claims
- 3056US10041893B2Methods and systems for identifying hydrocarbon fluid transition characteristics using nuclear magnetic resonanceSCHLUMBERGER TECHNOLOGY CORP·Filed 2014·Granted Aug 7, 2018·0 cites·24 claims
- 3156US2014074405A1Modified pulse sequence to estimate propertiesSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Application pending·0 cites
- 3255US2023385639A1Cost function engineering for estimating uncertainty correlated with prediction errorsSCHLUMBERGER TECHNOLOGY CORP·Filed 2021·Application pending·0 cites
- 3351US11988802B2Estimating mineralogy and reconstructing elements of reservoir rock from spectroscopy dataSCHLUMBERGER TECHNOLOGY CORP·Filed 2020·Granted May 21, 2024·0 cites·20 claims
- 3451US11774621B2Methods for determining fluid volumes from NMR T1-T2 log dataSCHLUMBERGER TECHNOLOGY CORP·Filed 2018·Granted Oct 3, 2023·0 cites·20 claims
- 3551US2024345273A1Propagation of petrophysical properties to wells in a fieldSCHLUMBERGER TECHNOLOGY CORP·Filed 2022·Application pending·0 cites
- 3646US12242017B2Formation analysis incorporating identification of immovable and viscous hydrocarbonsSCHLUMBERGER TECHNOLOGY CORP·Filed 2020·Granted Mar 4, 2025·0 cites·19 claims
- 3746US2012125602A1Monitoring Injected Nonhydrocarbon And Nonaqueous Fluids Through Downhole Fluid AnalysisDUBOST FRANCOIS·Filed 2011·Application pending·0 cites
- 3846US2025052924A1Rock property measurements based on spectroscopy dataSCHLUMBERGER TECHNOLOGY CORP·Filed 2023·Application pending·0 cites
- 3945US11841476B2Methods and systems of determining parameters characterizing porous media from data gathered by a plurality of different toolsSCHLUMBERGER TECHNOLOGY CORP·Filed 2018·Granted Dec 12, 2023·0 cites·33 claims
- 4044US10114142B2Imaging subterranean formations and features using multicoil NMR measurementsSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Oct 30, 2018·0 cites·20 claims
- 4144US9582353B2Method of performing error-correction of nuclear magnetic resonance dataSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Feb 28, 2017·0 cites·11 claims
- 4243US10732314B2Estimation of petrophysical and fluid properties using integral transforms in nuclear magnetic resonanceVENKATARAMANAN LALITHA·Filed 2011·Granted Aug 4, 2020·0 cites·17 claims
- 4343US10408964B2Multiple detector NMR tool system and inversion methods for NMR loggingSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Sep 10, 2019·0 cites·20 claims
- 4442US2022187495A1System and method for applying artificial intelligence techniques to reservoir fluid geodynamicsSCHLUMBERGER TECHNOLOGY CORP·Filed 2020·Application pending·0 cites
- 4542US2009173494A1System and method to interpret distributed temperature sensor data and to determine a flow rate in a wellSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Application pending·0 cites
- 4641US2022156595A1System and method for supervised learning of permeability of earth formationsSCHLUMBERGER TECHNOLOGY CORP·Filed 2020·Application pending·0 cites
- 4741US2008135237A1Monitoring injected nonhydrocarbon and nonaqueous fluids through downhole fluid analysisSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Application pending·0 cites
- 4840US2005149264A1System and Method to Interpret Distributed Temperature Sensor Data and to Determine a Flow Rate in a WellSCHLUMBERGER TECHNOLOGY CORP·Filed 2004·Application pending·0 cites
- 4938US2008040086A1Facilitating oilfield development with downhole fluid analysisSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Application pending·0 cites
- 5033US8612193B2Processing and interpretation of real-time data from downhole and surface sensorsRAGHURAMAN BHAVANI·Filed 2003·Granted Dec 17, 2013·2 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →