Inventor · disambiguated record
Gayani W. Pinnawala
Also filed as: PINNAWALA GAYANI W
20 granted patents·10 pending applications·21 citations·filing 2018–2025
91Inventor score
Top patents by PatentIndex Score
30 records- 0194US11834606B2Treating fluid comprising hydrocarbons, water, and polymerCHEVRON USA INC·Filed 2022·Granted Dec 5, 2023·2 cites·37 claims
- 0293US11242739B2Treating fluid comprising hydrocarbons, water, and polymerCHEVRON USA INC·Filed 2019·Granted Feb 8, 2022·7 cites·22 claims
- 0391US11591893B2PH control in fluid treatmentCHEVRON USA INC·Filed 2019·Granted Feb 28, 2023·4 cites·25 claims
- 0490US12012547B2Olefin sulfonate compositionsCHEVRON USA INC·Filed 2020·Granted Jun 18, 2024·2 cites·20 claims
- 0590US11753582B2Injection fluids comprising an anionic surfactant for treating unconventional formationsCHEVRON USA INC·Filed 2018·Granted Sep 12, 2023·3 cites·20 claims
- 0687US11834609B2Injection fluids for stimulating fractured formationsCHEVRON USA INC·Filed 2018·Granted Dec 5, 2023·2 cites·20 claims
- 0784US2025354063A1Polyanionic surfactants and methods of making and using thereofCHEVRON USA INC·Filed 2025·Application pending·0 cites
- 0883US11760921B2Injection fluids comprising a non-ionic surfactant for treating unconventional formationsCHEVRON USA INC·Filed 2018·Granted Sep 19, 2023·1 cites·19 claims
- 0980US12435262B2Injection fluids comprising an anionic surfactant for treating unconventional formationsCHEVRON USA INC·Filed 2023·Granted Oct 7, 2025·0 cites·23 claims
- 1080US2025334038A1Compositions containing friction reducers and methods of using thereof in oil and gas operationsCHEVRON USA INC·Filed 2025·Application pending·0 cites
- 1178US2024327698A1Injection fluids for stimulating fractured formationsCHEVRON USA INC·Filed 2023·Application pending·0 cites
- 1277US12331245B2Use of a borate-acid buffer in oil and gas operationsCHEVRON USA INC·Filed 2023·Granted Jun 17, 2025·0 cites·21 claims
- 1377US12312534B2Treating fluid comprising hydrocarbons, water, and polymerCHEVRON USA INC·Filed 2023·Granted May 27, 2025·0 cites·19 claims
- 1477US11787998B2Use of a borate-acid buffer in oil and gas operationsCHEVRON USA INC·Filed 2022·Granted Oct 17, 2023·0 cites·21 claims
- 1577US2024279532A1Injection fluids comprising a non-ionic surfactant for treating unconventional formationsCHEVRON USA INC·Filed 2023·Application pending·0 cites
- 1673US12215276B2Ph control in fluid treatmentCHEVRON USA INC·Filed 2023·Granted Feb 4, 2025·0 cites·20 claims
- 1772US12352149B2Compositions 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
- 1872US2025289994A1Methods for improving hydrocarbon production from a subterranean formationCHEVRON USA INC·Filed 2025·Application pending·0 cites
- 1970US12286588B2Polyanionic surfactants and methods of making and using thereofCHEVRON USA INC·Filed 2021·Granted Apr 29, 2025·0 cites·19 claims
- 2070US2025290397A1Methods for improving hydrocarbon lift and liquid unloading from a subterranean formationCHEVRON USA INC·Filed 2025·Application pending·0 cites
- 2166US12371619B2Polyanionic surfactants and methods of making and using thereofCHEVRON USA INC·Filed 2021·Granted Jul 29, 2025·0 cites·20 claims
- 2266US11898100B2Compositions and methods for breaking foams and emulsionsCHEVRON USA INC·Filed 2020·Granted Feb 13, 2024·0 cites·19 claims
- 2364US12391867B2Olefin sulfonatesCHEVRON ORONITE CO·Filed 2020·Granted Aug 19, 2025·0 cites·11 claims
- 2461US11377586B2Use of a borate-acid buffer in oil and gas operationsCHEVRON USA INC·Filed 2019·Granted Jul 5, 2022·0 cites·23 claims
- 2560US12012549B2Methods of using olefin sulfonatesCHEVRON ORONITE CO·Filed 2020·Granted Jun 18, 2024·0 cites·20 claims
- 2656US2025250478A1Compositions and methods for breaking foams and emulsionsCHEVRON USA INC·Filed 2025·Application pending·0 cites
- 2750US2023183578A1Polyanionic surfactants and methods of making and using thereofCHEVRON USA INC·Filed 2021·Application pending·0 cites
- 2850US2023097814A1Compositions and methods for the recovery of oil under harsh conditionsCHEVRON USA INC·Filed 2021·Application pending·0 cites
- 2946US2022290031A1Aqueous foam compositions and methods of making and using thereofCHEVRON USA INC·Filed 2020·Application pending·0 cites
- 3045US12480036B2Polyanionic surfactants and methods of making and using thereofCHEVRON USA INC·Filed 2021·Granted Nov 25, 2025·0 cites·14 claims
Join the waitlist — get patent alerts
Get an alert when Gayani W. Pinnawala files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →