ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,549, issued on April 22, was assigned to Greenwell Engineering LLC (Weatherford, Texas).
"Methods and systems for fracing" was invented by Chris Reed (Canton, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pump down assist sub that utilizes a universal thread pattern that is directly coupled to a setting tool firing head that is coupled to the bottom of a conventional perforating gun system, wherein the pump down assist sub eliminates the need for a setting tool and setting sleeve which reduces the length and weight of the overall tool string."
The patent was filed on Jan. 3, 2023, under Application No. 18/092,752.
*For further information,...