Asphalt plug emplacement process

Details Asphalt plug emplacement process Asphalt plug emplacement process

1975-04-16

1977-02-15

Guynn, Herbert B.

Compositions: coating or plastic

Coating or plastic compositions

Bituminous material or tarry residue

2523115, C08L 9500

Patent

active

040080960

ABSTRACT:
A process for plugging a subterranean earth formation by injecting an asphalt-containing emulsion is improved by a cationic emulsifier and a pH increasing reactant that induces the breaking of the emulsion in response to a time-temperature exposure of selected extent.

REFERENCES:
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patent: 3252290 (1966-05-01), Gagle et al.
patent: 3257231 (1966-06-01), McEachran et al.
patent: 3324041 (1967-06-01), Sommer et al.
patent: 3614985 (1971-10-01), Richardson
patent: 3738852 (1973-06-01), Doi et al.
patent: 3830299 (1974-08-01), Thomeer

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