ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,372, issued on March 24, was assigned to THRU TUBING SOLUTIONS INC. (Newcastle, Okla.).

"Anchoring plugging devices to perforations" was invented by Roger L. Schultz (Ninnekah, Okla.) and Gary P. Funkhouser (Moore, Okla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for use with a subterranean well can include deploying a plugging device and anchor into the well, conveying the anchor into a perforation and blocking fluid flow through the perforation with the plugging device. A system for use with a subterranean well can include a plugging device configured to engage and block fluid flow through a perforation in the well, and an anchor att...