Metal to metal subsea casing hanger seal

Details Metal to metal subsea casing hanger seal Metal to metal subsea casing hanger seal

1987-06-15

1988-11-01

Werner, David

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277235R, 166 88, 166348, 166382, 285 18, 285140, F16J 1500, E21B 43013, F16L 3500

Patent

active

047813873

ABSTRACT:
A seal assembly for providing reliable sealing between a subsea wellhead and a casing hanger suspended within the wellhead which provides a metal band between the top and the bottom of the seal section for strength, setting force acting against the portion of the seal outside of the metal band, collapsing of the metal band by pressure generated in the portion of the seal, and the movement of the metal band setting the seal within the seal onto the casing hanger.

REFERENCES:
patent: 4521040 (1985-06-01), Slyker et al.
patent: 4540053 (1985-09-01), Baugh et al.
patent: 4564068 (1986-01-01), Baugh
patent: 4634152 (1987-01-01), Pettit

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