US Patent Issued to Saudi Arabian Oil on Aug. 12 for "Controlling lost circulation while drilling" (Saudi Arabia Inventor)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,385,334, issued on Aug. 12, was assigned to Saudi Arabian Oil Co. (Saudi Arabia).

"Controlling lost circulation while drilling" was invented by Abdulrahman K. Aleid (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for controlling lost circulation while drilling include while drilling a wellbore, encountering a high-loss circulation zone by a bottomhole assembly; responsive to encountering the high-loss circulation zone, releasing a first lost circulation media retained within the bottomhole assembly; and receiving a second lost circulation media, by the bottomhole assembly, from circulation fluid circulated from a topside...