ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,718, issued on May 13, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).
"Methods of hydrolyzing nitrogen-containing waste plastics downgole to form a solid barrier" was invented by Shitong Sherry Zhu (Cambridge, Mass.) and Marta Antoniv (Cambridge, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems including introducing a treatment fluid into a subterranean formation wellbore. The treatment fluid includes an aqueous base fluid; nitrogen-containing waste plastic; and carbon dioxide. The nitrogen-containing waste plastic is hydrolyzed in the aqueous base fluid under conditions in the subterranean formation wellb...