Foam for improving sweep efficiency in subterranean...

Details Foam for improving sweep efficiency in subterranean... Foam for improving sweep efficiency in subterranean...

E - Fixed Constructions

21

B

E21B 43/22 (2006.01) C09K 8/518 (2006.01) C09K 8/94 (2006.01) E21B 33/138 (2006.01)

Patent

CA 2083054

A foam is provided having utility for improving sweep efficiency in subterranean oil-bearing formations and having specif- ic utility for conformance improvement treatments and mobility control in such formations. The foam is a gel medium having a gas dispersed therein. The gel medium is made up of a crosslinkable polymer, a crosslinking agent, a surfactant and a liquid sol- vant.

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