Well packer valve seal assembly

Details Well packer valve seal assembly Well packer valve seal assembly

1978-06-07

1979-03-27

Leppink, James A.

Wells

Packers or plugs

With expanding anchor

166183, 251361, E21B 3312

Patent

active

041460928

ABSTRACT:
A seal assembly for a valve in a mechanical setting retrievable and pressure balanced packer has a valve seal mounted on a bushing mounted around a mandrel joined to an anchor and enclosed within a balance chamber housing. The valve seal is retained between the bushing and an overlapping coaxial face seal retainer such that only a relatively small portion of the face seal ring will contact the seal surface of a valve seat on the packer.

REFERENCES:
patent: 2418493 (1947-04-01), Allen
patent: 2673062 (1954-03-01), Cornelius
patent: 3743016 (1973-07-01), Crow

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