US Patent Issued to KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS on Dec. 30 for "Method of underbalanced drilling using foaming agent" (Saudi Arabia Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,952, issued on Dec. 30, was assigned to KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS (Dhahran, Saudi Arabia).

"Method of underbalanced drilling using foaming agent" was invented by Ahmed Hamdy Gowida (Dhahran, Saudi Arabia), Salaheldin Mahmoud Ahmed Elkatatny (Dhahran, Saudi Arabia) and Ahmed Mohamed Farid Ibrahim (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for underbalanced drilling includes drilling into a subterranean geological formation to form a wellbore therein, injecting a foaming agent into the wellbore during drilling at a wellbore pressure that is below a pore pressure of the subterranean geological fo...