ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,783, issued on July 28, was assigned to Citadel Casing Solutions LLC (Houston).
"Shoe track assembly system and method of use" was invented by Todd Stair (Conroe, Texas), Henry E. Rogers (Owasso, Okla.), Jimmy Venizelos (Richmond, Texas) and Carlos A. Valdez (Humble, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of well construction includes first, providing a tool with a housing extending from a top end to a bottom end; then, positioning a first valve within the housing, the first valve creating a seal within the housing to prevent fluid flow past the first valve and into a well casing from the bottom end of the housing during a wel...