GW

Gregory A. Winslow

Chevron: 35 patents #78 of 4,788Top 2%
Overall (All Time): #115,035 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 25 most recent of 31 patents

Patent #TitleCo-InventorsDate
12371619 Polyanionic surfactants and methods of making and using thereof Gayani W. Pinnawala, Sujeewa S. Palayangoda, Varadarajan Dwarakanath 2025-07-29
12331245 Use of a borate-acid buffer in oil and gas operations Nabijan Nizamidin, Gayani W. Pinnawala, Guo-Qing Tang, Varadarajan Dwarakanath, Jordan Taylor Isbell +1 more 2025-06-17
12312534 Treating fluid comprising hydrocarbons, water, and polymer Sumitra Subrahmanyan, Gayani W. Pinnawala, Sophany Thach, Dennis Arun Alexis, Harold C. Linnemeyer +3 more 2025-05-27
12286588 Polyanionic surfactants and methods of making and using thereof Gayani W. Pinnawala, Sujeewa S. Palayangoda, Varadarajan Dwarakanath 2025-04-29
12215276 Ph control in fluid treatment Sujeewa S. Palayangoda, Kerry K. Spilker, Sumitra Subrahmanyan, Gayani W. Pinnawala, Sophany Thach +5 more 2025-02-04
12071833 Optimizing scale management at the subsurface for improved well performance Wei Wang, Wei Wei, Chao Yan, Lauren N. DeVoe, Baosheng Liang 2024-08-27
12037542 Method of using multicarboxylate compositions in enhanced oil recovery Robert G. Shong, Varadarajab Dwarakanath, Sophany Thach 2024-07-16
11905461 Methods for foam stimulation Varadarajan Dwarakanath, Taimur Malik, Lin Zuo, Jimin Daniel ZHOU, Nabijan Nizamidin +2 more 2024-02-20
11884879 Compositions for use in oil and gas operations Dennis Arun Alexis, Gayani Pinnawala Arachchilage, Varadarajan Dwarakanath, Do Hoon Kim, Taimur Malik +1 more 2024-01-30
11834606 Treating fluid comprising hydrocarbons, water, and polymer Sumitra Subrahmanyan, Gayani W. Pinnawala, Sophany Thach, Dennis Arun Alexis, Harold C. Linnemeyer +3 more 2023-12-05
11787998 Use of a borate-acid buffer in oil and gas operations Nabijan Nizamidin, Gayani W. Pinnawala, Guo-Qing Tang, Varadarajan Dwarakanath, Jordan Taylor Isbell +1 more 2023-10-17
11739254 Methods for use in oil and gas operations Dennis Arun Alexis, Gayani Pinnawala Arachchilage, Varadarajan Dwarakanath, Do Hoon Kim, Taimur Malik +1 more 2023-08-29
11591893 PH control in fluid treatment Sujeewa S. Palayangoda, Kerry K. Spilker, Sumitra Subrahmanyan, Gayani W. Pinnawala, Sophany Thach +5 more 2023-02-28
11377586 Use of a borate-acid buffer in oil and gas operations Nabijan Nizamidin, Gayani W. Pinnawala, Guo-Qing Tang, Varadarajan Dwarakanath, Jordan Taylor Isbell +1 more 2022-07-05
11248159 Method of using multicarboxylate compositions in enhanced oil recovery Robert G. Shong, Varadarajan Dwarakanath, Sophany Thach 2022-02-15
11248160 Compositions for use in oil and gas operations Dennis Arun Alexis, Gayani Pinnawala Arachchilage, Varadarajan Dwarakanath, Do Hoon Kim, Taimur Malik +1 more 2022-02-15
11242739 Treating fluid comprising hydrocarbons, water, and polymer Sumitra Subrahmanyan, Gayani W. Pinnawala, Sophany Thach, Dennis Arun Alexis, Harold C. Linnemeyer +3 more 2022-02-08
11008502 Methods for preparing an aqueous surfactant-polymer solution Dennis Arun Alexis, Gayani Pinnawala Arachchilage, Varadarajan Dwarakanath, Do Hoon Kim, Taimur Malik +1 more 2021-05-18
10851629 Enhanced oil recovery compositions and methods thereof Varadarajan Dwarakanath, Robert G. Shong, Taimur Malik, Marlon Solano 2020-12-01
10501677 Surfactant compositions Douglas G. Naae, Varadarajan Dwarakanath, Taimur Malik, Gayani Pinnawala Arachchilage 2019-12-10
10337303 Enhanced oil recovery compositions and methods thereof Varadarajan Dwarakanath, Robert G. Shong, Taimur Malik, Marlon Solano 2019-07-02
10233382 Method of using multicarboxylate compositions in enhanced oil recovery Robert G. Shong, Varadarajan Dwarakanath, Sophany Thach 2019-03-19
9976072 Multicarboxylate compositions and method of making the same Robert G. Shong, Varadarajan Dwarakanath, Sophany Thach 2018-05-22
9617464 Mixed carbon length synthesis of primary guerbet alcohols Varadarajan Dwarakanath, Robert G. Shong, Sophany Thach 2017-04-11
9605198 Mixed carbon length synthesis of primary Guerbet alcohols Robert G. Shong, Varadarajan Dwarakanath, Sophany Thach 2017-03-28