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M_\alpha(s) = \frac{k_\alpha}{\mu_\alpha} = \frac{k_{air} \cdot k_{r \alpha}}{\mu_\alpha} = k_{air} \cdot M_{r\alpha}(s) |
where
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| body | \displaystyle k_\alpha(s) |
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| body | \displaystyle \mu_\alpha |
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| body | \displaystyle k_{air} |
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| absolute permeability to air |
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| body | \displaystyle M_{r\alpha}(s) = \frac{k_{r \alpha}}{\mu_\alpha} |
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| relative phase mobility |
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| body | \displaystyle k_{r\alpha}(s) |
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| reservoir saturation| LaTeX Math Inline |
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| body | \sum_\alpha s_{\alpha} = 1 |
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, -phase saturation |
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In most popular case of a 3-phase fluid model this will be:
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| body | s = \{ s_w, \, s_o, \, s_g \} |
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| body | \displaystyle M_o = \frac{k_o}{\mu_o} |
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| oil mobility
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| body | \displaystyle M_g = \frac{k_g}{\mu_g} |
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| gas mobility
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| body | \displaystyle M_w = \frac{k_w}{\mu_w} |
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| water mobility
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See also
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Physics / Fluid Dynamics / Percolation
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[ Petrophysics ] [ Basic reservoir properties ] [ Permeability ] [ Absolute permeability ] [Relative permeability] [ Wettability ] [ Phase mobility ] [ Relative phase mobilities ]
[ Multihase Fluid Mobility ]
