Non-Aqueous and Crude Oil Foams Christian Blázquez, Eliane Emond, Sophie Schneider, Christine Dalmazzone and Vance Bergeron Oil Gas Sci. Technol. – Rev. IFP Energies nouvelles, 69 3 (2014) 467-479 Published online: 04 December 2013 DOI: 10.2516/ogst/2013186