Inventors:
Duane S. Treybig - Sugar Land TX, US
Grahame N. Taylor - Houston TX, US
David Kelly Moss - Charlotte NC, US
Assignee:
Nalco Company - Naperville IL
International Classification:
C11D 1/90
US Classification:
510188, 510490, 510499, 510477, 510434
Abstract:
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.