US Patent Issued to Saudi Arabian Oil on Sept. 30 for "Remediating failed isolation in plug-and-perforation operations" (Saudi Arabia Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,939, issued on Sept. 30, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).

"Remediating failed isolation in plug-and-perforation operations" was invented by Mohammed A. Asiri (Al Salmaniyah, Saudi Arabia), Abdulrahman A. Al-Mulhim (Al Salmaniyah, Saudi Arabia) and Sultan S. AlOtaibi (Al-Kharj, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "Method for detecting and remediating plug failure during plug-and-perforation operations can include forming perforations the casing of a wellbore at an first stage; recording instantaneous shut-in pressure (ISIP) of an injection test at the first stage (ISIPSTG(N)_INJ); recording ISIP o...