ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,912, issued on May 27, was assigned to Hydropulsion Ltd. (Great Britain).
"Downhole method and associated apparatus" was invented by Brian Storie (Aberdeen, Great Britain) and Barry Reid (Sauchen, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A circulating downhole tool utilising a variable fluid pressure regulated cycle valve device that can be attached to the borehole assembly BHA of a coiled tubing and used down an offshore or onshore wellbore is disclosed. The circulating downhole tool utilising a variable fluid pressure regulated cycle valve device can be remotely operated by an operator on the surface as many times as required i...