Method and composition for enhanced hydrocarbons recovery
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United States of America Patent
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Nov 3, 2009
Grant Date -
Feb 9, 2006
app pub date -
Oct 13, 2005
filing date -
Mar 11, 2003
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Abstract
A method of treating a hydrocarbon containing formation is described. The method may include providing a hydrocarbon recovery composition to the hydrocarbon containing formation. Hydrocarbons in the hydrocarbon containing formation may interact with the hydrocarbon recovery composition. The hydrocarbon recovery composition may include an aliphatic anionic surfactant and an aliphatic nonionic additive. In some embodiments, an aliphatic anionic surfactant may be branched. In other embodiments, an aliphatic nonionic additive may be branched.
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