Patent 11459851 was granted and assigned to SAUDI ARABIAN OIL COMPANY on October, 2022 by the United States Patent and Trademark Office.
A fluid conduit defines a fluid passage from a well annulus to a venting system. A first pressure safety valve is positioned within the fluid passage. The first pressure safety valve is configured to open at a first set pressure. A second pressure safety valve is fluidically connected in series with the first pressure safety valve. The second pressure safety valve is configured to open at a second set pressure.