ALKYLARYL SULPHONATE COMPOSITIONS AND USE THEREOF FOR THE ENHANCED RECOVERY OF HYDROCARBONS
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Feb 13, 2014
app pub date -
Apr 13, 2012
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Apr 18, 2011
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A surfactant composition includes an alkaryl sulphonate compound (a) and an alkaryl sulphonate compound (b). The difference between the optimum salinity of compound (a) and the optimum salinity of compound (b) is greater than or equal to 3 g/L. The surfactant composition can easily be adapted to various operating conditions, and in particular to various conditions of salinity, in order to provide optimum enhanced oil recovery.
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