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

1978-05-18

1980-01-22

Footland, Lenard A.

Pipes and tubular conduits

With closures and plugs

Inflation stem type

166188, 166192, F16L 5510

Patent

active

041845153

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: 2806539 (1957-09-01), Green et al.
patent: 2854929 (1958-10-01), McGowen et al.
patent: 3897824 (1975-08-01), Fisher
patent: 4113018 (1978-09-01), Barrington et al.

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