Bore hole plug

Details Bore hole plug Bore hole plug

1985-11-25

1987-06-23

Novosad, Stephen J.

Wells

Packers or plugs

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

166295, E21B 33127

Patent

active

046745700

ABSTRACT:
There is provided a new and useful bore hole plug comprising a central support member, an expandable sleeve secured about the central support, a first reactant chemical within the sleeve which is capable of reacting with a second reactant chemical or a catalyst to form a closed cell foam, and means by which the second reactant can be introduced to the sleeve.

REFERENCES:
patent: 2321761 (1943-06-01), Mathis et al.
patent: 3379253 (1968-04-01), Chism
patent: 3613784 (1971-10-01), Bassani
patent: 3726340 (1973-04-01), Fraser
patent: 3878686 (1975-04-01), Hageman et al.
patent: 4321967 (1982-03-01), Koppe et al.
patent: 4449584 (1984-05-01), Christensen

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