ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,252, issued on Oct. 14, was assigned to Helmerich & Payne Technologies LLC (Tulsa, Okla.).
"Systems and methods for drilling geothermal wells" was invented by Todd W. Benson (Tulsa, Okla.) and Angus Lamberton Jamieson (Inverness, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for drilling a geothermal well can include drilling a first borehole to a geothermal target, the first borehole defining a longitudinal axis; and drilling a first portion of a second borehole having a first end and a second. The first end of the second borehole extends from the first borehole, the first portion extends downwardly and outwardly ...