Inventor · disambiguated record
Varadarajan Dwarakanath
Also filed as: DWARAKANATH VARADARAJAN
55 granted patents·19 pending applications·508 citations·filing 2007–2025
98Inventor score
Files withCHEVRON USA INC63CHEVRON ORONITE CO2DEAN ROBERT MATTHEW2CAMPBELL CURTIS B1DWARAKANATH VARADARAJAN1
Top patents by PatentIndex Score
74 records- 0198US9902894B2Polymer compositionsCHEVRON USA INC·Filed 2015·Granted Feb 27, 2018·34 cites·28 claims
- 0298US9902895B2Polymer compositionsCHEVRON USA INC·Filed 2015·Granted Feb 27, 2018·33 cites·24 claims
- 0398US9896617B2Polymer compositionsCHEVRON USA INC·Filed 2015·Granted Feb 20, 2018·35 cites·35 claims
- 0498US9617464B2Mixed carbon length synthesis of primary guerbet alcoholsCHEVRON USA INC·Filed 2016·Granted Apr 11, 2017·43 cites·10 claims
- 0598US9605198B2Mixed carbon length synthesis of primary Guerbet alcoholsCHEVRON USA INC·Filed 2015·Granted Mar 28, 2017·43 cites·12 claims
- 0697US9976072B2Multicarboxylate compositions and method of making the sameCHEVRON USA INC·Filed 2015·Granted May 22, 2018·43 cites·19 claims
- 0797US9909053B2Polymer compositionsCHEVRON USA INC·Filed 2015·Granted Mar 6, 2018·34 cites·30 claims
- 0895US10626320B2Methods for hydrocarbon recoveryCHEVRON USA INC·Filed 2016·Granted Apr 21, 2020·7 cites·25 claims
- 0995US10011757B2Method for remediation of damage in regions of formations near injection wellsCHEVRON USA INC·Filed 2017·Granted Jul 3, 2018·16 cites·23 claims
- 1095US7770641B2Method for enhancing oil recovery with an improved oil recovery surfactantCHEVRON USA INC·Filed 2007·Granted Aug 10, 2010·78 cites·27 claims
- 1194US9752071B2Composition and method for remediation of near wellbore damageCHEVRON USA INC·Filed 2014·Granted Sep 5, 2017·21 cites·7 claims
- 1293US10233382B2Method of using multicarboxylate compositions in enhanced oil recoveryCHEVRON USA INC·Filed 2017·Granted Mar 19, 2019·6 cites·10 claims
- 1393US10197489B2Processes and systems for characterizing and optimizing fracturing fluidsCHEVRON USA INC·Filed 2016·Granted Feb 5, 2019·16 cites·23 claims
- 1493US8962536B2Heat generating system for enhancing oil recoveryWINSLOW GREGORY·Filed 2010·Granted Feb 24, 2015·27 cites·13 claims
- 1592US10337303B2Enhanced oil recovery compositions and methods thereofCHEVRON USA INC·Filed 2016·Granted Jul 2, 2019·7 cites·9 claims
- 1691US11084973B2Methods for hydrocarbon recoveryCHEVRON USA INC·Filed 2020·Granted Aug 10, 2021·2 cites·34 claims
- 1791US10677706B2Processes and systems for characterizing and optimizing fracturing fluidsCHEVRON USA INC·Filed 2018·Granted Jun 9, 2020·6 cites·31 claims
- 1891US10168265B2Portable apparatus and methods for analyzing injection fluidsCHEVRON USA INC·Filed 2018·Granted Jan 1, 2019·5 cites·20 claims
- 1990US12012547B2Olefin sulfonate compositionsCHEVRON USA INC·Filed 2020·Granted Jun 18, 2024·2 cites·20 claims
- 2090US11753582B2Injection fluids comprising an anionic surfactant for treating unconventional formationsCHEVRON USA INC·Filed 2018·Granted Sep 12, 2023·3 cites·20 claims
- 2190US10851629B2Enhanced oil recovery compositions and methods thereofCHEVRON USA INC·Filed 2019·Granted Dec 1, 2020·4 cites·20 claims
- 2290US10436693B2Portable apparatus and methods for analyzing injection fluidsCHEVRON USA INC·Filed 2017·Granted Oct 8, 2019·5 cites·26 claims
- 2387US11834609B2Injection fluids for stimulating fractured formationsCHEVRON USA INC·Filed 2018·Granted Dec 5, 2023·2 cites·20 claims
- 2487US11248160B2Compositions for use in oil and gas operationsCHEVRON USA INC·Filed 2019·Granted Feb 15, 2022·1 cites·21 claims
- 2587US10619087B2Methods for hydrocarbon recoveryCHEVRON USA INC·Filed 2016·Granted Apr 14, 2020·3 cites·27 claims
- 2685US2024174914A1Methods for hydrocarbon recoveryCHEVRON USA INC·Filed 2023·Application pending·0 cites
- 2784US9810049B2Systems and methods for inline chemical injection for dump flood water injectorsCHEVRON USA INC·Filed 2015·Granted Nov 7, 2017·5 cites·23 claims
- 2884US2025354063A1Polyanionic surfactants and methods of making and using thereofCHEVRON USA INC·Filed 2025·Application pending·0 cites
- 2983US12378464B2Methods for hydrocarbon recoveryCHEVRON USA INC·Filed 2024·Granted Aug 5, 2025·0 cites·26 claims
- 3083US12371606B2Methods for hydrocarbon recoveryCHEVRON USA INC·Filed 2024·Granted Jul 29, 2025·0 cites·26 claims
- 3183US12275893B2Methods for hydrocarbon recoveryCHEVRON USA INC·Filed 2024·Granted Apr 15, 2025·0 cites·24 claims
- 3283US12247162B2Methods for hydrocarbon recoveryCHEVRON USA INC·Filed 2024·Granted Mar 11, 2025·0 cites·27 claims
- 3383US11760921B2Injection fluids comprising a non-ionic surfactant for treating unconventional formationsCHEVRON USA INC·Filed 2018·Granted Sep 19, 2023·1 cites·19 claims
- 3481US8163678B2Enhanced oil recovery surfactant formulation and method of making the sameCAMPBELL CURTIS B·Filed 2008·Granted Apr 24, 2012·14 cites·22 claims
- 3580US12435262B2Injection fluids comprising an anionic surfactant for treating unconventional formationsCHEVRON USA INC·Filed 2023·Granted Oct 7, 2025·0 cites·23 claims
- 3680US8573299B2Non-ionic alkali polymer solutions for enhanced oil recovery in a subterranean formationDWARAKANATH VARADARAJAN·Filed 2010·Granted Nov 5, 2013·11 cites·29 claims
- 3780US2025334038A1Compositions containing friction reducers and methods of using thereof in oil and gas operationsCHEVRON USA INC·Filed 2025·Application pending·0 cites
- 3878US11261300B2Methods and systems for generating aqueous polymer solutionsCHEVRON USA INC·Filed 2020·Granted Mar 1, 2022·1 cites·19 claims
- 3978US2024327698A1Injection fluids for stimulating fractured formationsCHEVRON USA INC·Filed 2023·Application pending·0 cites
- 4077US12331245B2Use of a borate-acid buffer in oil and gas operationsCHEVRON USA INC·Filed 2023·Granted Jun 17, 2025·0 cites·21 claims
- 4177US11884879B2Compositions for use in oil and gas operationsCHEVRON USA INC·Filed 2022·Granted Jan 30, 2024·0 cites·21 claims
- 4277US11787998B2Use of a borate-acid buffer in oil and gas operationsCHEVRON USA INC·Filed 2022·Granted Oct 17, 2023·0 cites·21 claims
- 4377US2024279532A1Injection fluids comprising a non-ionic surfactant for treating unconventional formationsCHEVRON USA INC·Filed 2023·Application pending·0 cites
- 4474US11739254B2Methods for use in oil and gas operationsCHEVRON USA INC·Filed 2021·Granted Aug 29, 2023·0 cites·16 claims
- 4574US11248159B2Method of using multicarboxylate compositions in enhanced oil recoveryCHEVRON USA INC·Filed 2019·Granted Feb 15, 2022·0 cites·15 claims
- 4672US12352149B2Compositions containing friction reducers and methods of using thereof in oil and gas operationsCHEVRON USA INC·Filed 2023·Granted Jul 8, 2025·0 cites·25 claims
- 4772US2025289994A1Methods for improving hydrocarbon production from a subterranean formationCHEVRON USA INC·Filed 2025·Application pending·0 cites
- 4871US10344129B2Methods and systems for generating aqueous polymer solutionsCHEVRON USA INC·Filed 2017·Granted Jul 9, 2019·0 cites·21 claims
- 4971US2022033706A1Methods for hydrocarbon recoveryCHEVRON USA INC·Filed 2021·Application pending·0 cites
- 5070US12286588B2Polyanionic surfactants and methods of making and using thereofCHEVRON USA INC·Filed 2021·Granted Apr 29, 2025·0 cites·19 claims
Showing the top 50 of 74 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →