ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,991, issued on Jan. 27, was assigned to TD Tools Inc. (Woodburn, Ky.).
"High pressure abrasive fluid injection" was invented by Earl H. Dearborn (Woodburn, Ky.), Thomas L. Dotson (Woodburn, Ky.), John M. Piercy (Woodburn, Ky.) and Henry Wohltjen (Bowling Green, Ky.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure includes an injection system for providing abrasive slurry output density in a system. In some aspects, the injection system can include a first vessel configured to receive a fluid from a high-pressure pump, a plurality of valves in selective communication with the first vessel, and a controller in communication with t...