Other

Dril-quip, Inc.

Flavio Nisenbaum

Daniel Aguilar Marroquin

Larry E Reimert

A seal assembly () and a running tool () are provided for sealing a casing annulus in a wellhead (). A casing hanger () includes a radially external groove therein, and wellhead has a radially internal groove therein. A locking ring () may be actuated by the running tool to move into the internal recess in the wellhead and thereby axially connect the seal assembly and the wellhead. Another locking ring () is radially movable to connect the seal assembly to the casing hanger. The seal assembly seals the casing annulus while being interconnected with the wellhead and the casing hanger.

Wellhead seal assembly lockdown system

A subsea well apparatus includes a wellhead member body adapted to be lowered into and latched within the bore of a conductor by split locking and ratchet rings carried by the body. The locking ring includes locking teeth engageable with locking grooves in the bore, and the ratchet ring includes ratchet teeth engageable with ratchet grooves within the locking ring. Upper and lower coaxial downwardly and inwardly extending wedge surfaces are tightly engaged as the body is latched within the conductor.

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Rio de Janeiro, Brazil

Flavio Nisenbaum