US Patent Issued to VAULT PRESSURE CONTROL on July 15 for "Wellhead attachment system" (Texas Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,523, issued on July 15, was assigned to VAULT PRESSURE CONTROL LLC (Houston).

"Wellhead attachment system" was invented by Knox Wright (Houston), Jason Meyer Armistead (Houston), Khang Van Nguyen (Tomball, Texas) and Andrew Browne Helvenston (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A casing system includes a landing ring and a mandrel hanger. The landing ring defines an opening extending between a first end portion and a second end portion. The first end portion is configured to couple to a conductor pipe. The landing ring includes a landing ring shoulder extending radially inward from an inner surface of the opening. The mandrel hang...