Alkylaromatic sulfonates for enhanced oil recovery process
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United States of America Patent
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Mar 7, 2017
Grant Date -
Apr 3, 2014
app pub date -
Sep 27, 2013
filing date -
Sep 28, 2012
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Abstract
An alkylaromatic sulfonate is disclosed wherein the alkyl group contains a distribution of alkyl chain lengths which comprise greater than 15 weight percent and up to about 35 weight percent of C30 to C58. Also disclosed is a process for preparing an alkylaromatic sulfonate and its use in recovering crude oil from a subterranean hydrocarbon containing formation.
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