US Patent Issued to Saudi Arabian Oil on June 16 for "Lost circulation material compositions utilizing spent drilling fluids and methods for using the same" (Saudi Arabia Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,655,697, issued on June 16, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).

"Lost circulation material compositions utilizing spent drilling fluids and methods for using the same" was invented by Vikrant Wagle (Dhahran, Saudi Arabia), Rajendra Kalgaonkar (Dhahran, Saudi Arabia), Abdullah Al-Yami (Dhahran, Saudi Arabia) and Mohammad Alharthi (Dammam, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lost circulation material (LCM) composition comprising a spent drilling fluid and a chemical activator. The spent drilling fluid may comprise an aqueous solution, contaminants comprising heavy metals, salt, or both, and an alkaline ...