ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,711, issued on May 13, was assigned to EnhancedGEO Holdings LLC (St. Petersburg, Fla.).

"Casing a wellbore in magma" was invented by Kimberly C. Conner (Wetumpka, Ala.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for preparing a geothermal system involves preparing a borehole that extends into an underground magma reservoir, providing a flow of a first fluid into the borehole, thereby maintaining a rock layer around a portion of the borehole located within the magma reservoir, lowering a casing into the borehole, and providing a second fluid into the casing, thereby causing the casing to sink into a volume of the first fluid that is insi...