Predicting the Viscosity of Petroleum Emulsions Using Gene Expression Programming (GEP) and Response Surface Methodology (RSM)

Table 1

Physicochemical properties of mineral oil.

Properties of oil phase
	Property	Value	Units
Offshore Malaysian crude oil	Density @ 25°C and 60°C	0.8159 and 0.7904	g/cc
	Refractive index (RI) @ 25°C and 60°C	1.4617 and 1.4448	—
	Specific gravity @ 25°C and 60°C	0.8183 and 0.8061	—
	Viscosity @ 25°C	26.5