US Patent Issued to SAUDI ARABIAN OIL on Nov. 4 for "Methods for curing lost circulation in subterranean formations" (Saudi Arabia, American Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,120, issued on Nov. 4, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"Methods for curing lost circulation in subterranean formations" was invented by Don Lawrence (Houston), Ahmed Al-Dughaither (Dhahran, Saudi Arabia), Abdullah Abahussain (Dhahran, Saudi Arabia), Abdulaziz Bahamdan (Dhahran, Saudi Arabia) and Aljazi Al-Ajmi (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods comprise introducing a first fluid pill and a second fluid pill into a subterranean formation containing at least one lost circulation zone via a wellbore; allowing the first fluid pill to interact with the second fluid pill to form ...