Aqueous foam has been demonstrated to have promise in conformance-control applications. This paper explores the foaming behavior of a CO2-soluble, cationic, amine-based surfactant. A distinguishing feature of this surfactant is its ability to dissolve in supercritical CO2 and to form wormlike micelles (WLMs) at elevated salinity. The presence of WLMs leads to an increase in viscosity of the aqueous surfactant solution.
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