US Patent Issued to Saudi Arabian Oil on May 27 for "Reducing fluid loss with lost circulation materials" (Saudi Arabia Inventor)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,885, issued on May 27, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).

"Reducing fluid loss with lost circulation materials" was invented by Abdulrahman K. Aleid (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wellbore assembly that includes a drill string and a housing. The drill string defines a first fluid pathway extending from the drill string, through the drill bit, and out the drill bit to flow a first lost circulation material. The housing stores a second lost circulation material including at least one parameter different from the first lost circulation material. The drill string defines a second fluid...