US Patent Issued to Chevron U.S.A. on Oct. 7 for "Injection fluids comprising an anionic surfactant for treating unconventional formations" (Texas, California Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,262, issued on Oct. 7, was assigned to Chevron U.S.A. Inc. (San Ramon, Calif.).

"Injection fluids comprising an anionic surfactant for treating unconventional formations" was invented by Dustin L Walker (Dallas), Gayani W. Pinnawala (Houston), Nabijan Nizamidin (Emeryville, Calif.), Varadarajan Dwarakanath (Houston), Guo-Qing Tang (Mountain View, Calif.), Dustin J. Lowry (Pinole, Calif.), Tetsuo Art Inouye (Sebastopol, Calif.) and Taimur Malik (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are compositions and methods that stabilize an injection fluid when exposed to reservoir conditions, reducing formation damage and increa...