ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,596, issued on Oct. 7, was assigned to CALLIDUS CAPITAL B.V. (Heerenveen, Netherlands).
"Well abandonment" was invented by Feitze Veenstra (Heerenveen, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device for removing part of a liner or casing of a well or pile. The device includes a device body, which is arranged around a centreline of the device body and one or more hollow conduits including oxidizable material at least at a distal end. The hollow conduits are arranged for having oxygen transported therethrough from a proximal end to the distal end. The device further including a supply of oxygen arranged to supply oxygen to proximal...