CPC C09K 8/584 (2013.01) [E21B 43/20 (2013.01)] | 17 Claims |
1. An enhanced hydrocarbon recovery composition comprising:
a surfactant component comprising a mixture of isomerized C9-11 ethoxylated alcohols;
wherein the mixture of isomerized C9-11 ethoxylated alcohols comprises a C9 ethoxylated alcohol, a C10 ethoxylated alcohol, a C11 ethoxylated alcohol, isomers of the C9 ethoxylated alcohol, isomers of the C10 ethoxylated alcohol, and isomers of the C11 ethoxylated alcohol, and
wherein an amount of the C10 ethoxylated alcohol and the isomers of the C10 ethoxylated alcohol in the mixture of isomerized C9-11 ethoxylated alcohols is greater than about 50 wt % based on a total weight of the mixture of isomerized C9-11 ethoxylated alcohols.
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