Method and device for blocking wells to extinguish fires, prohib

Details Method and device for blocking wells to extinguish fires, prohib Method and device for blocking wells to extinguish fires, prohib

1980-03-06

1981-07-07

Novosad, Stephen J.

Wells

Processes

Cementing, plugging or consolidating

166 65R, 166117, 166164, 166169, 166309, 166295, E21B 3313

Patent

active

042769345

ABSTRACT:
A well, such as an oil well, may be plugged, on command, from the well head, by activating a plurality of preplaced motor-driven, foam generating capsules causing a foam to be generated and forced into the well hole where it hardens.

REFERENCES:
patent: 1934701 (1933-11-01), Edwards et al.
patent: 2609880 (1952-09-01), Dyer
patent: 3141513 (1964-07-01), Davis
patent: 3190373 (1965-06-01), Weathersby
patent: 3346049 (1967-10-01), Brown
patent: 3417824 (1968-12-01), Van Poollen
patent: 3726340 (1973-04-01), Fraser
patent: 4083406 (1978-04-01), Metz

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