Viscoelastic surfactant composition having improved rheological properties and method of using for treating subterranean formations

摘要

A viscoelastic surfactant composition having improved rheological performance comprising one or more quaternized amidoamine surfactants, one or more tertiary amine amides, one or more polymeric acids and one or more electrolytes, viscosified aqueous fluids comprising the surfactant composition and methods of making and using the viscosified aqueous fluid for treating subterranean formations.