US Patent Issued to SAUDI ARABIAN OIL on July 28 for "Methods for sealing high-permeability zones in subterranean formations" (Saudi Arabia Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,430, issued on July 28, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"Methods for sealing high-permeability zones in subterranean formations" was invented by Rajendra Arunkumar Kalgaonkar (Dhahran, Saudi Arabia), Vikrant Bhavanishankar Wagle (Dhahran, Saudi Arabia) and Qasim Sahu (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods for sealing high-permeability zones in subterranean formations are disclosed. The methods involve introducing a treatment fluid comprising polyacrylamide, acid, and water into a subterranean formation containing high- and low-permeability zones. The treatment fluid preferenti...