Conductor pipe plug

Details Conductor pipe plug Conductor pipe plug

1979-12-20

1981-04-21

Bryant, III, James E.

Pipes and tubular conduits

With closures and plugs

Inflation stem type

405203, 405195, 166188, 166192, F16L 5512, F16L 5510

Patent

active

042627028

ABSTRACT:
A plug comprising an easily releasable plug body having either a compression set type packer member, cup type sealing member or inflatable packer member, having locking dogs thereon, having sleeve type releasor abutting the locking dogs, having pressure equalization plugger abutting the sleeve type releasor and a plug body housing.

REFERENCES:
patent: 2776015 (1957-01-01), Bielstein
patent: 3042116 (1962-07-01), Sharp et al.
patent: 3353566 (1967-11-01), Cepkauskas et al.
patent: 4160612 (1979-07-01), Britton et al.
patent: 4178967 (1979-12-01), Streich
patent: 4184515 (1980-01-01), Streich et al.
patent: 4215951 (1980-08-01), Knox

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