US Patent Issued to FMC Technologies on March 4 for "Automatic slip-style casing hanger for use with surface wellheads" (Texas Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,241,329, issued on March 4, was assigned to FMC Technologies Inc. (Houston).

"Automatic slip-style casing hanger for use with surface wellheads" was invented by Richard Bridwell (Houston) and Brian Baca (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A casing hanger apparatus includes an upper ring, a lower ring, and a packing element positioned between the upper ring and the lower ring. The packing element has an annular body with a wedge-shaped cross-sectional geometry. Bi-directional pressure intensification (BPI) pins are arranged around the casing hanger in an angularly spaced apart configuration, where the BPI pins extend axially from the ...