US Patent Issued to Saudi Arabian Oil on June 10 for "Repairing wellbores with fluid movement behind casing" (Saudi Arabia Inventors)

ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,062, issued on June 10, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).

"Repairing wellbores with fluid movement behind casing" was invented by Mohamed M. El Nekhily (Al Khobar, Saudi Arabia), Khalsa Kanwal Bahadur (Al Khobar, Saudi Arabia) and Ibrahim A. Al-Obaidi (Al Khobar, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A section of casing within a wellbore is milled. After milling the section of the wellbore, the section of the wellbore is underreamed through to a next layer of casing. A setting fluid is squeezed into the section. The setting fluid penetrates micro-channels exposed by the milling and underreaming A sc...