ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,385,352, issued on Aug. 12, was assigned to HRG WELL SOLUTIONS Ltd. (Aberdeenshire, Great Britain).
"Annulus remediation system and method" was invented by Gary McWilliam (Aberdeenshire, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A BHA to be run into a wellbore to be plugged and abandoned comprises a slotting tool which further comprises an outer body having a throughbore and connections to permit the outer body to be included in the BHA and in a work string having a throughbore for sealed fluid communication with the throughbore of the outer body. A slotting blade is radially moveable towards and away from an inner surface of the well...