Asphalt plug emplacement process

Details Asphalt plug emplacement process Asphalt plug emplacement process

E - Fixed Constructions

21

B

166/16, 31/25

E21B 33/138 (2006.01) C09K 8/502 (2006.01)

Patent

CA 1050257

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

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