ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,300, issued on May 5, was assigned to CAMERON INTERNATIONAL Corp. (Houston).
"Wellhead sealing systems and methods" was invented by Dennis P. Nguyen (Houston) and Stuart Robinson (Ploiesti, Romania).
According to the abstract* released by the U.S. Patent & Trademark Office: "A seal assembly for sealing between a casing string and a wellhead housing is provided. In one embodiment, a system includes a seal assembly (80) received within a bore (48) of a wellhead housing (20). The seal assembly can include an elongate body (82), an inner seal (86) positioned within the elongate body to seal between the elongate body and a well casing (46), and a setting ring (88) positioned within the ...