ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,955, issued on March 18, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).
"Photopolymer curing for water shut-off" was invented by Abdullah Mohammed Alharith (Dhahran, Saudi Arabia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for treatment of a subterranean formation are provided. The treatment includes pumping a water shut-off material into a wellbore and to a target zone in the subterranean formation and pumping a photo-curable polymer material to the target zone behind the water shut-off material, thereby forming a layer of photo-curable polymer material between the water shut-off material and the wellbore...