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Wellhead seal assembly

Patent ·
OSTI ID:7121405
A wellhead seal assembly adapted to be positioned for sealing within an annular recess between two tubular members in a well bore is described comprising: an annular metal seal body having openings in its intermediate portion, an upper metal seal, and a lower metal seal, an upper seal energizing ring positioned above the upper seal for downward movement with respect thereto to set such upper seal, the lower seal including spaced apart inner seal ring and outer seal ring and resilient means connecting the inner and outer seal rings to the seal body, and a lower energizing ring depending from the body and extending downwardly to a point between the upper ends of the inner and outer seal rings.
Assignee:
Cameron Iron Works USA, Inc., Houston, TX
Patent Number(s):
US 4751965
OSTI ID:
7121405
Country of Publication:
United States
Language:
English

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