US Patent Issued to TotalEnergies E&P Research & Technology USA on May 5 for "Systems and methods for performing a polymer flood having a graded polymer concentration" (French, American Inventors)

ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,312, issued on May 5, was assigned to TotalEnergies E&P Research & Technology USA LLC (Houston).

"Systems and methods for performing a polymer flood having a graded polymer concentration" was invented by Stephane Jouenne (Bizanos, France), Alexandra Klimenko (Pau, France), Khalid Mateen (Katy, Texas), Kun Ma (Sugar Land, Texas) and Haishan Luo (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for performing a polymer flood of a hydrocarbon-bearing, subterranean reservoir. The method includes injecting a polymer solution from an injection well (32) into the subterranean reservoir to form a polymer slug in the subterranean reservoir, wher...