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Home All issues Volume 74 (2019) Oil Gas Sci. Technol. – Rev. IFP Energies nouvelles, 74 (2019) 45 Full HTML
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Table 1

Properties of sand column and fluids.

Parameter Symbol Value
Column length L 0.3 m
Column diameter D 0.05 m
Porosity φ 0.42
Average grain diameter* d g ~188 μm
Average pore throat diameter** d p ~28 μm
Absolute permeability k 25 × 10−12 m2
Aqueous phase viscosity μ w 0.95 × 10−3 Pa s
Gas phase viscosity μ w 1.8 × 10−5 Pa s
Viscosity ratio κ ~0.02
Interfacial tension γ wg 72 × 10−3 N m−1
*

It is considered equal to the mean value of the lower (~125 μm) and upper (~250 μm) limit of grain size range.

**

It is considered equal to the diameter of the circle that is inscribed in the “window” left between three circles of equal diameter d g and touching each other (d p = 0.15 d g).

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