Casing bridge plug with push-out pressure equalizer valve

Details Casing bridge plug with push-out pressure equalizer valve Casing bridge plug with push-out pressure equalizer valve

1978-09-05

1980-01-29

Leppink, James A.

Wells

Packers or plugs

With expanding anchor

166188, E21B 2300

Patent

active

041856899

ABSTRACT:
A bridge plug having an ejectable plug assembly means in the bore thereof and means for catching the ejectable plug assembly means.

REFERENCES:
patent: 2300854 (1942-11-01), Allen et al.
patent: 3002563 (1961-10-01), Crowe
patent: 3042116 (1962-07-01), Sharp et al.
patent: 3420304 (1969-01-01), Kilgore

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