ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,841, issued on April 29, was assigned to VALLOUREC OIL AND GAS FRANCE (Aulnoye-Aymeries, France) and NIPPON STEEL Corp. (Tokyo).
"Dimensioning of a threaded axial gap" was invented by Thibault Mathon (Meudon, France), Laurent Boufflers (Meudon, France) and Matthieu Luongo (Meudon, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tubular threaded joint for the drilling, operation of hydrocarbon wells, transport of oil and gas, carbon capture or geothermal energy, comprising a male tubular element and a female tubular element, each of said male or female tubular elements comprising respectively a male threaded portion and a female threaded porti...