INSTALLATION OF AN EMERGENCY CASING SLIP HANGER AND ANNULAR PACKOFF ASSEMBLY HAVING A METAL TO METAL SEALING SYSTEM THROUGH THE BLOWOUT PREVENTER

摘要

An emergency casing slip hanger assembly that is adapted to be installed in a wellhead through a blowout preventer includes a slip bowl that is adapted to be releasably coupled to and supported by a slip bowl protector during installation of the slip hanger assembly in the wellhead through a blowout preventer, the slip bowl being further adapted to be positioned around a casing in the wellhead and landed on a support shoulder of the wellhead. A plurality of slips are adapted to engage with and support the casing, and a plurality of first shear pins releasably couple the plurality of slips to the slip bowl, wherein the plurality of first shear pins are adapted to be sheared by a pressure thrust load that is imposed on the slip bowl protector so as to drop the plurality of slips into contact with an outside surface of the casing.