COMPOSITION AND METHOD FOR ENHANCED HYDROCARBON RECOVERY
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United States of America Patent
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Sep 24, 2014
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Sep 26, 2013
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Abstract
The invention relates to a hydrocarbon recovery composition, which composition contains: a) a first anionic surfact ant selected from the group consisting of a propoxylated primary alcohol carboxylate and a propoxylated primary alcohol glycerol sulfonate; and b) a second anionic surfactant selected from the group consisting of a propoxylated primary alcohol carboxylate and a propoxylated primary alcohol glycerol sulfonate, and wherein the first and second anionic surfactants are different. Further, the invention relates to an injectable liquid containing the hydrocarbon recovery composition and a method for treating a hydrocarbon containing formation.
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