US Patent Issued to Saudi Arabian Oil on Oct. 20 for "Methods of reducing circulation loss in a wellbore using a using a volcanic ash sealant composition" (Saudi Arabia Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,767,877, issued on Oct. 20, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).

"Methods of reducing circulation loss in a wellbore using a using a volcanic ash sealant composition" was invented by Khawlah Alanqari (Al Khobar, Saudi Arabia), Abdullah Saleh Hussain Al-Yami (Dhahran, Saudi Arabia) and Abdulaziz Alhelal (Al Hofuf, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure methods of reducing circulation loss in a using a sealant composition, including volcanic ash, cement, an epoxy resin, and a crosslinker."

The patent was filed on Jan. 6, 2025, under Application No. 19/010,981.

*For further information, inclu...