Foamed gels having selective permeability

Wells – Processes – Distinct – separate injection and producing wells

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166273, 166295, 166300, 166309, E21B 33138, E21B 4322

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active

052038343

ABSTRACT:
Pathway-containing foamed gels enhance the recovery of the nonaqueous fluids from subterranean formations by selectively reducing the flow of aqueous fluids with respect to the flow of nonaqueous fluids.

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