ALEXANDRIA, Va., July 23 -- United States Patent no. 12,366,138, issued on July 22, was assigned to TerraH2 LLC (West Lake Hills, Texas).
"Hydrogen production, storage and recovery" was invented by Eva Vinegar (Austin, Texas) and Harold J. Vinegar (West Lake Hills, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for operating a kerogen-rich unconventional gas reservoir characterized by there being multiple hydraulically-fractured wells drilled thereinto comprises: recovering a methane-containing gas from a first hydraulically-fractured well drilled into the gas reservoir, steam-methane reforming the recovered methane-containing gas to yield a hydrogen gas and an inorganic carbon-containing gas,...