Inventor · disambiguated record
Keshava Prasad Rangarajan
Also filed as: RANGARAJAN KESHAVA · RANGARAJAN KESHAVA P · RANGARAJAN KESHAVA PRASAD
48 granted patents·13 pending applications·480 citations·filing 2001–2023
97Inventor score
Files withLANDMARK GRAPHICS CORP48ORACLE INT CORP3RAO ADITYA RAMAMURTHY2YELESHWARAPU CHANDRA2EMC IP HOLDING CO LLC1
Top patents by PatentIndex Score
61 records- 0191US9934338B2Methods and related systems of building models and predicting operational outcomes of a drilling operationLANDMARK GRAPHICS CORP·Filed 2013·Granted Apr 3, 2018·32 cites·27 claims
- 0291US7133848B2Dynamic pricing systemMANUGISTICS INC·Filed 2001·Granted Nov 7, 2006·227 cites·34 claims
- 0389US8140556B2Techniques for automated generation of queries for querying ontologiesRAO ADITYA RAMAMURTHY·Filed 2009·Granted Mar 20, 2012·41 cites·21 claims
- 0489US7921061B2System and method for simultaneous price optimization and asset allocation to maximize manufacturing profitsORACLE INT CORP·Filed 2007·Granted Apr 5, 2011·45 cites·19 claims
- 0586US12360274B2AI/ML, distributed computing, and blockchained based reservoir management platformLANDMARK GRAPHICS CORP·Filed 2020·Granted Jul 15, 2025·2 cites·18 claims
- 0686US11396804B2Automated rate of penetration optimization for drillingLANDMARK GRAPHICS CORP·Filed 2018·Granted Jul 26, 2022·6 cites·20 claims
- 0785US8719207B2Method and system for providing decision making based on sense and respondRATNAM GOPAL·Filed 2010·Granted May 6, 2014·36 cites·12 claims
- 0884US11352874B2Distributed control system using asynchronous services in a wellboreLANDMARK GRAPHICS CORP·Filed 2018·Granted Jun 7, 2022·5 cites·20 claims
- 0984US8214401B2Techniques for automated generation of ontologies for enterprise applicationsRAO ADITYA RAMAMURTHY·Filed 2009·Granted Jul 3, 2012·20 cites·16 claims
- 1083US11441404B2Recurrent neural network model for bottomhole pressure and temperature in stepdown analysisLANDMARK GRAPHICS CORP·Filed 2018·Granted Sep 13, 2022·5 cites·13 claims
- 1182US8335778B2System and method for semantic search in an enterprise applicationGHOSH RAJESH·Filed 2008·Granted Dec 18, 2012·17 cites·6 claims
- 1281US11599790B2Deep learning based reservoir modelingLANDMARK GRAPHICS CORP·Filed 2017·Granted Mar 7, 2023·7 cites·18 claims
- 1380US11315014B2Workflow optimizationEMC IP HOLDING CO LLC·Filed 2018·Granted Apr 26, 2022·4 cites·20 claims
- 1479US11176081B2Parallel, distributed processing in a heterogeneous, distributed environmentHALLIBURTON ENERGY SERVICES INC·Filed 2016·Granted Nov 16, 2021·3 cites·18 claims
- 1577US11151454B2Multi-stage placement of material in a wellboreLANDMARK GRAPHICS CORP·Filed 2017·Granted Oct 19, 2021·3 cites·19 claims
- 1676US9581726B2Attribute importance determinationLANDMARK GRAPHICS CORP·Filed 2013·Granted Feb 28, 2017·4 cites·20 claims
- 1775US12509980B2Integrated surveillance and control of oilfield activityLANDMARK GRAPHICS CORP·Filed 2023·Granted Dec 30, 2025·0 cites·19 claims
- 1875US9606778B2System and method for meta-data driven, semi-automated generation of web services based on existing applicationsORACLE INT CORP·Filed 2014·Granted Mar 28, 2017·4 cites·20 claims
- 1974US11643913B2Hybrid physics-based and machine learning models for reservoir simulationsLANDMARK GRAPHICS CORP·Filed 2019·Granted May 9, 2023·2 cites·20 claims
- 2074US11598197B2Integrated surveillance and controlLANDMARK GRAPHICS CORP·Filed 2018·Granted Mar 7, 2023·2 cites·20 claims
- 2174US11492890B2Iterative real-time steering of a drill bitLANDMARK GRAPHICS CORP·Filed 2017·Granted Nov 8, 2022·2 cites·16 claims
- 2273US8799319B2System and method for meta-data driven, semi-automated generation of web services based on existing applicationsSRINIVASAN NAGARAJ·Filed 2009·Granted Aug 5, 2014·9 cites·24 claims
- 2369US11319793B2Neural network models for real-time optimization of drilling parameters during drilling operationsLANDMARK GRAPHICS CORP·Filed 2017·Granted May 3, 2022·2 cites·20 claims
- 2465US11868890B2Workflow optimizationLANDMARK GRAPHICS CORP·Filed 2022·Granted Jan 9, 2024·0 cites·15 claims
- 2564US12061980B2Effective representation of complex three-dimensional simulation results for real-time operationsLANDMARK GRAPHICS CORP·Filed 2017·Granted Aug 13, 2024·1 cites·17 claims
- 2661US11591895B2Simulated annealing accelerated optimization for real-time drillingLANDMARK GRAPHICS CORP·Filed 2018·Granted Feb 28, 2023·0 cites·20 claims
- 2760US8768930B2Product classification in procurement systemsYELESHWARAPU CHANDRA·Filed 2010·Granted Jul 1, 2014·1 cites·15 claims
- 2858US11488025B2Hybrid neural network and autoencoderLANDMARK GRAPHICS CORP·Filed 2019·Granted Nov 1, 2022·0 cites·20 claims
- 2955US12421839B2Multi-objective optimization on modeling and optimizing scaling and corrosion in a wellboreLANDMARK GRAPHICS CORP·Filed 2020·Granted Sep 23, 2025·0 cites·20 claims
- 3055US12305632B2Pump systems and methods to improve pump load predictionsLANDMARK GRAPHICS CORP·Filed 2019·Granted May 20, 2025·0 cites·18 claims
- 3153US11643918B2Real-time wellbore drilling with data quality controlLANDMARK GRAPHICS CORP·Filed 2020·Granted May 9, 2023·0 cites·20 claims
- 3249US11555394B2Controlling range constraints for real-time drillingLANDMARK GRAPHICS CORP·Filed 2018·Granted Jan 17, 2023·0 cites·20 claims
- 3349US11414959B2Operating wellbore equipment using a data driven physics-based modelLANDMARK GRAPHICS CORP·Filed 2017·Granted Aug 16, 2022·0 cites·18 claims
- 3448US11982171B2Active reinforcement learning for drilling optimization and automationLANDMARK GRAPHICS CORP·Filed 2020·Granted May 14, 2024·0 cites·20 claims
- 3548US11668684B2Stochastic realization of parameter inversion in physics-based empirical modelsLANDMARK GRAPHICS CORP·Filed 2019·Granted Jun 6, 2023·0 cites·20 claims
- 3647US11493664B2Multi-objective completion parameters optimization for a wellbore using Bayesian optimizationLANDMARK GRAPHICS CORP·Filed 2019·Granted Nov 8, 2022·0 cites·19 claims
- 3746US2022284310A1Model based preference learning and optimization systems and methodsLANDMARK GRAPHICS CORP·Filed 2019·Application pending·0 cites
- 3846US2022275714A1A hybrid deep physics neural network for physics based simulationsLANDMARK GRAPHICS CORP·Filed 2019·Application pending·0 cites
- 3945US12467350B2Wellbore trajectory control using reservoir property projection and optimizationLANDMARK GRAPHICS CORP·Filed 2019·Granted Nov 11, 2025·0 cites·12 claims
- 4045US12091959B2Multi-well drilling optimization using roboticsLANDMARK GRAPHICS CORP·Filed 2019·Granted Sep 17, 2024·0 cites·18 claims
- 4145US11873707B2Rate of penetration optimization for wellbores using machine learningLANDMARK GRAPHICS CORP·Filed 2018·Granted Jan 16, 2024·0 cites·17 claims
- 4245US2021355805A1Ai/ml based drilling and production platformLANDMARK GRAPHICS CORP·Filed 2019·Application pending·0 cites
- 4345US2019243026A1Automated method for environmental hazard reductionLANDMARK GRAPHICS CORP·Filed 2017·Application pending·0 cites
- 4444US11859467B2Reservoir simulation systems and methods to dynamically improve performance of reservoir simulationsLANDMARK GRAPHICS CORP·Filed 2019·Granted Jan 2, 2024·0 cites·23 claims
- 4544US11795804B2Automated concurrent path planning and drilling parameter optimization using roboticsLANDMARK GRAPHICS CORP·Filed 2019·Granted Oct 24, 2023·0 cites·20 claims
- 4644US11269100B2Hybrid optimization of fault detection and interpretationLANDMARK GRAPHICS CORP·Filed 2017·Granted Mar 8, 2022·0 cites·20 claims
- 4744US2011252463A1Method and system for providing enterprise procurement networkORACLE INT CORP·Filed 2010·Application pending·0 cites
- 4843US2021388700A1Shale field wellbore configuration systemLANDMARK GRAPHICS CORP·Filed 2020·Application pending·0 cites
- 4942US11959373B2Operating wellbore equipment using a distributed decision frameworkLANDMARK GRAPHICS CORP·Filed 2018·Granted Apr 16, 2024·0 cites·20 claims
- 5042US11391129B2Wellbore gas lift optimizationLANDMARK GRAPHICS CORP·Filed 2018·Granted Jul 19, 2022·0 cites·20 claims
Showing the top 50 of 61 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →