Crude Oil Extraction using Microemulsion Oil soiled sand can be cleaned with surfactant forming microemulsions with the crude oil. Work of Chris Scheeleigh and Eric W. Wong A Ternary Phase Diagram of Saudi Crude Oil VGO Dynamics of Fluctuating Interface Theoretical model for microemulsion release from a porous medium Venezuelan Crude Oil Viscosity reduction Viscosity reduction of Venezulean Crude oil (Work done in collaboration with Rajiv Banavali and Bharati Chedda of Rohm and Haas)