ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,941, issued on Sept. 30, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).
"Closed loop hydrogen production and storage" was invented by Harun Ates (Katy, Texas), Sampath K. Bommareddy (Sugar Land, Texas) and Sehmus Ozden (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes extracting natural gas from a subsurface formation including a conventional gas reservoir via a first wellbore penetrating the subsurface formation, processing the natural gas in a surface processing facility and thereby generating hydrogen and a carbon dioxide (CO2) brine, injecting at least a portion of the hydrogen into the subsurface for...