Expandable metal seal for a well tool

Details Expandable metal seal for a well tool Expandable metal seal for a well tool

1984-09-27

1986-05-13

Novosad, Stephen J.

Wells

Packers or plugs

With expanding anchor

277236, E21B 3312

Patent

active

045880298

ABSTRACT:
A metal seal on a well tool for sealing between an inner tubular member and an outer tubular member including an annular metal ring positioned about the inner member having a pair of spaced lips on the outer periphery with a flowable metal insert positioned between the lips. Metal seals are provided on each side of the metal ring sealing between each side of the ring and the inner member. Fingers between the setting mechanism and the metal ring expand the metal ring outwardly upon movement of the setting mechanism. An expandable metal support is positioned on the outside of the setting mechanism adjacent the outer edge of the metal ring for supporting the ring as the ring is set. The setting mechanism includes a pair of expansion rings having coacting tapered faces for increasing the setting force as the temperature increases.

REFERENCES:
patent: 471577 (1892-03-01), Stone
patent: 843630 (1907-02-01), Restein
patent: 2075947 (1937-04-01), Kennedy
patent: 3207524 (1965-09-01), Trbovich
patent: 4296806 (1981-10-01), Taylor et al.
patent: 4407516 (1983-10-01), Le et al.
patent: 4444403 (1984-04-01), Morris

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