US Patent Issued to Saudi Arabian Oil on Aug. 19 for "Extraction of alkaline earth metal hydroxides from produced oilfield brine" (Saudi Arabia Inventors)

ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,391,567, issued on Aug. 19, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).

"Extraction of alkaline earth metal hydroxides from produced oilfield brine" was invented by Salem Alshammari (Dhahran, Saudi Arabia), Hussain Habib Al Saleem (Al Qatif, Saudi Arabia), Salah Hamad Al-Saleh (Dhahran, Saudi Arabia), Subhash Ayirala (Dhahran, Saudi Arabia) and Ali Yousef (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "Method of producing hydroxides for use in carbon dioxide mineralization, the method including adding a first amount of sodium hydroxide to a produced oilfield brine to precipitate Mg(OH)2, adding a second amount of...