US Patent Issued to Saudi Arabian Oil on June 23 for "Casing annulus clean out and repair" (Saudi Arabia, British Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,897, issued on June 23, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).

"Casing annulus clean out and repair" was invented by Richard Mark Pye (Dhahran, Saudi Arabia) and Rae Andrew Younger (Aberdeenshire, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A well tool assembly for casing annulus clean out and repair includes an elongate, hollow tool body defining an internal volume. The tool body includes a heater section at a first end of the tool body. The heater section can receive a first heater in the internal volume. A pressure section is axially attached to the heater section. The pressure section defines multiple pre...