Retrievable plug for offshore platforms having shear type retain

Details Retrievable plug for offshore platforms having shear type retain Retrievable plug for offshore platforms having shear type retain

1979-07-30

1981-02-10

Bryant, III, James E.

Pipes and tubular conduits

With closures and plugs

Inflation stem type

166188, F16L 5512, E21B 3312

Patent

active

042495768

ABSTRACT:
A reusable plug for sealing the conductor pipe of offshore platforms comprising a cylindrical housing, central body member and pressure equalization means.

REFERENCES:
patent: 2651368 (1953-09-01), Baker et al.
patent: 2776015 (1957-01-01), Bielstein
patent: 3577737 (1971-05-01), Burleson
patent: 3897824 (1975-08-01), Fisher
patent: 4024893 (1977-05-01), Jackman et al.
patent: 4077435 (1978-03-01), Van Scoy
patent: 4142371 (1979-03-01), Mayfield et al.

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