US Patent Issued to Saudi Arabian Oil on March 17 for "Treatment of subterranean formations" (Saudi Arabia, Chinese Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,867, issued on March 17, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).

"Treatment of subterranean formations" was invented by Dongqing Cao (Beijing), Tianping Huang (Beijing), Ayman Mohammed Almohsin (Doha, Saudi Arabia), Bader G. AlHarbi (Dammam, Saudi Arabia), Xingang Bu (Beijing) and Shaohua Chen (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods for treating a water zone of a subterranean formation by injecting a slurry including a water-swellable particle, a fiber, and a viscous oil to reduce water production from the formation."

The patent was filed on Sept. 6, 2023, under Application No. 18/461,578.

*For furth...