Effect of Petroleum Sulphonate on Interfacial Property and Stability of Crude Oil Emulsions

The influence of petroleum sulphonate (TRS) on interfacial properties and stability of the emulsions formed by formatin water and asphaltene, resin and crude model oils from Gudong crude oil was investigated by measurement of interfacial shear viscosity, interfacial tension (IFT) and emulsion stability. With increasing petroleum sulphonate concentratin, IFT between the formatin water and the asphaltene, resin and crude model oil system increase for the petroleum sulphonate concentration in the range 0.1% to 0.3%, and decrease slightly when the concentration of the surfactant is 0.5%.