Split carrier annulus seal assembly for wellhead systems

Seal for a joint or juncture – Seal for well apparatus – Installation – removal – assembly – disassembly – or repair feature

Reexamination Certificate

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Details

C277S339000, C277S314000, C166S196000

Reexamination Certificate

active

06969070

ABSTRACT:
The seal assembly10seal between a subsea wellhead housing12and a casing hanger16. A metal seal body20includes fingers32and34and one or more elastomeric seals38. An upper seal body64may include threads for engagement with the metal seal body. According the method of the invention, an initial elastomeric seal is first formed, and fluid pressure is applied from above to set the high temperature metal seal.

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