Hanger and seal assembly
Patent
·
OSTI ID:5876061
A hanger and seal assembly is described for installation in a wellhead housing having an internal landing shoulder and an internal sealing surface, a hanger having an external landing shoulder for seating on the housing landing shoulder and an external sealing surface, a seal assembly including a seal body having an upper outer annular seal leg and a lower outer annular seal leg; an upper load ring surrounding the upper portion of the seal body and engaging the upper outer annular seal leg, an upper body movably connected to the seal body and movable with respect thereto, means connecting the upper body to the load ring whereby downward movement of the upper body with respect to the seal body moves the load ring downwardly on the upper outer annular seal leg to cause the annular seal leg to move downwardly and outwardly into sealing engagement with the internal housing sealing surface, and means for retaining the upper outer annular seal leg in sealing engagement with the internal housing sealing surface.
- Assignee:
- Cameron Iron Works USA, Inc., Houston, TX
- Patent Number(s):
- US 4823871
- OSTI ID:
- 5876061
- Country of Publication:
- United States
- Language:
- English
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