GP

Gayani W. Pinnawala

Chevron: 21 patents #181 of 4,788Top 4%
📍 Katy, TX: #122 of 2,042 inventorsTop 6%
🗺 Texas: #7,815 of 125,132 inventorsTop 7%
Overall (All Time): #244,114 of 4,157,543Top 6%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
12391867 Olefin sulfonates Andrew Michael Thomas, Curtis B. Campbell, Varadarajan Dwarakanath, Andrew M. Davidson, Ping Wang 2025-08-19
12371619 Polyanionic surfactants and methods of making and using thereof Sujeewa S. Palayangoda, Gregory A. Winslow, Varadarajan Dwarakanath 2025-07-29
12352149 Compositions containing friction reducers and methods of using thereof in oil and gas operations Gojko Matovic, Nabijan Nizamidin, Michael Ogechukwuka Unomah, Do Hoon Kim, Varadarajan Dwarakanath +3 more 2025-07-08
12331245 Use of a borate-acid buffer in oil and gas operations Nabijan Nizamidin, Guo-Qing Tang, Varadarajan Dwarakanath, Gregory A. Winslow, Jordan Taylor Isbell +1 more 2025-06-17
12312534 Treating fluid comprising hydrocarbons, water, and polymer Sumitra Subrahmanyan, Sophany Thach, Gregory A. Winslow, Dennis Arun Alexis, Harold C. Linnemeyer +3 more 2025-05-27
12286588 Polyanionic surfactants and methods of making and using thereof Sujeewa S. Palayangoda, Gregory A. Winslow, Varadarajan Dwarakanath 2025-04-29
12215276 Ph control in fluid treatment Sujeewa S. Palayangoda, Kerry K. Spilker, Sumitra Subrahmanyan, Sophany Thach, Gregory A. Winslow +5 more 2025-02-04
12012549 Methods of using olefin sulfonates Varadarajan Dwarakanath, Andrew Michael Thomas, Curtis B. Campbell, Andrew M. Davidson, Ping Wang 2024-06-18
12012547 Olefin sulfonate compositions Varadarajan Dwarakanath, Andrew Michael Thomas, Curtis B. Campbell, Andrew M. Davidson, Ping Wang 2024-06-18
11898100 Compositions and methods for breaking foams and emulsions Sujeewa S. Palayangoda, Varadarajan Dwarakanath, Mohamad SALMAN, Mohsen S. Tagavifar 2024-02-13
11834606 Treating fluid comprising hydrocarbons, water, and polymer Sumitra Subrahmanyan, Sophany Thach, Gregory A. Winslow, Dennis Arun Alexis, Harold C. Linnemeyer +3 more 2023-12-05
11834609 Injection fluids for stimulating fractured formations Dustin L. Walker, Nabijan Nizamidin, Varadarajan Dwarakanath, Guo-Qing Tang, Dustin J. LOWRY +2 more 2023-12-05
11787998 Use of a borate-acid buffer in oil and gas operations Nabijan Nizamidin, Guo-Qing Tang, Varadarajan Dwarakanath, Gregory A. Winslow, Jordan Taylor Isbell +1 more 2023-10-17
11760921 Injection fluids comprising a non-ionic surfactant for treating unconventional formations Dustin L. Walker, Nabijan Nizamidin, Varadarajan Dwarakanath, Guo-Qing Tang, Dustin J. LOWRY +2 more 2023-09-19
11753582 Injection fluids comprising an anionic surfactant for treating unconventional formations Dustin L. Walker, Nabijan Nizamidin, Varadarajan Dwarakanath, Guo-Qing Tang, Dustin J. LOWRY +2 more 2023-09-12
11591893 PH control in fluid treatment Sujeewa S. Palayangoda, Kerry K. Spilker, Sumitra Subrahmanyan, Sophany Thach, Gregory A. Winslow +5 more 2023-02-28
11377586 Use of a borate-acid buffer in oil and gas operations Nabijan Nizamidin, Guo-Qing Tang, Varadarajan Dwarakanath, Gregory A. Winslow, Jordan Taylor Isbell +1 more 2022-07-05
11242739 Treating fluid comprising hydrocarbons, water, and polymer Sumitra Subrahmanyan, Sophany Thach, Gregory A. Winslow, Dennis Arun Alexis, Harold C. Linnemeyer +3 more 2022-02-08