ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,392,213, issued on Aug. 19, was assigned to Paramount Design LLC (Duncan, Okla.).
"Method for setting a frac plug with a tubular metal seal" was invented by Brian Wilkinson (Duncan, Okla.) and Loren Swor (Duncan, Okla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure describes systems and methods for setting and sealing a plug in a casing within a downhole bore. This includes deploying into the casing a plug assembly comprising a tubular metal seal and deploying into the casing a setting tool. The tubular metal seal can be expanded radially to a first radial diameter with the setting tool by moving the setting tool longitudinally su...