Metal seal for wellheads

Details Metal seal for wellheads Metal seal for wellheads

2009-04-27

2011-11-29

Thompson, Kenneth L (Department: 3676)

Wells

Above ground apparatus

C277S323000

Reexamination Certificate

active

08066061

ABSTRACT:
A reusable metal seal for a wellhead provides a metal-to-metal seal and includes upper and lower tapered sealing flanks which may be deflected by tapered wall surfaces on the wellhead engaging the taper sealing flanks, and the seal may have a plurality of annular relief grooves.

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