ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,270, issued on Oct. 14, was assigned to Wyoming Completion Technologies Inc. (Powell, Wyo.).

"Dissolvable release acidizing plug" was invented by Scott J. Hecht (Powell, Wyo.) and Nathaniel Hecht (Powell, Wyo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An acidizing plug assembly comprises a mandrel, sealing element, upper and lower backup rings, upper and lower cones, upper and lower slips each having teeth configured to engage a well casing, and a shoe. An external surface of the acidizing plug is configured to be acid-resistant, and one or more breakable plugs prevents acid from reaching an acid-vulnerable portion of the acidizing plug. The br...