ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,330, issued on Nov. 11, was assigned to WEATHERFORD TECHNOLOGY HOLDINGS LLC (Houston).
"Riser-less managed pressure operations" was invented by Gordon Thomson (Houston) and John D. Hooker (Cypress, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A subsea assembly can include a pressure control device having an annular seal configured to seal off an annulus formed between an outer housing and a tubular string, a connector, and a guide configured to guide the tubular string into an internal flow passage extending through the subsea assembly, the pressure control device being connected between the connector and the guide. A method can include asse...