Method and composition for enhanced hydrocarbons recovery

Earth boring – well treating – and oil field chemistry – Well treating – Contains organic component

Reexamination Certificate

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C166S268000

Reexamination Certificate

active

11610135

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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