ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,507, issued on March 31, was assigned to TARGET COMPLETIONS LLC (Broken Arrow, Okla.).

"Wireline-set plug apparatus operable for holding pressure or as an ESP catcher" was invented by Joseph Clark (Lago Vista, Texas) and Michael Thomas Sommers (Broken Arrow, Okla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An assembly which includes (a) a plug apparatus having slips, an outer sealing element, and a pump-out plug which blocks internal flow through the apparatus for use as a bridge plug and (b) a wireline adapter kit having an adapter rod which screws into the pump-out plug to set the plug apparatus by wireline, wherein the adapter rod shears fro...