Inflatable flowing hole plug

Details Inflatable flowing hole plug Inflatable flowing hole plug

1982-08-12

1984-05-22

Leppink, James A.

Wells

Packers or plugs

Expanded by confined fluid from central chamber, pump or...

166192, 277 34, 277 346, E21B 33127

Patent

active

044495846

ABSTRACT:
An inflatable flowing hole plug system including two fluid inflatable hole plugs, having an upper and a lower plug, a connector pipe for connecting these plugs and allowing fluid communication between them, a valve system for controlling the inflation of the plugs and an external fluid supply apparatus for inflating the plugs is disclosed.

REFERENCES:
patent: 2227729 (1941-01-01), Lynes
patent: 2231282 (1941-02-01), Norris
patent: 2603293 (1952-07-01), Lynes
patent: 3130787 (1964-04-01), Mason
patent: 3182725 (1965-05-01), Moore
patent: 3765484 (1973-10-01), Hamby, Jr. et al.
patent: 4349047 (1982-09-01), Ditts et al.

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