Retrievable plug for offshore platforms

Details Retrievable plug for offshore platforms Retrievable plug for offshore platforms

1978-09-14

1979-12-18

Footland, Lenard A.

Pipes and tubular conduits

With closures and plugs

Inflation stem type

166188, F16L 5510

Patent

active

041789679

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

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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