US Patent Issued to SPM Oil & Gas on Dec. 9 for "System and method for reduced thread stress for buttress style threads used in frac pump fluid ends" (Texas Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,697, issued on Dec. 9, was assigned to SPM Oil & Gas (Forth Worth, Texas).

"System and method for reduced thread stress for buttress style threads used in frac pump fluid ends" was invented by Jeffrey R. Haiderer (Fort Worth, Texas), Chandu Kumar (Fort Worth, Texas), Ralph E. Harris (Fort Worth, Texas) and Connor Landrum (Godley, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fluid end for a reciprocating pump assembly includes a fluid end body defining an access opening having access opening threads formed on an inner surface thereof and extending between an inner threaded portion and an outer threaded portion. A blunt start is formed at the...