A property characterising characterizing agility of the fluid
-phase under
pressure gradient with account of
reservoir permeability and
dynamic fluid viscosity:
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\left<M_\alpha(s) = \frac{k_\alpha}{\mu_\alpha} \right>= = \frac{k_{air} \left<\frac{cdot k_{r \alpha}}{\mu_\alpha} \right>= 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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\displaystyle \left<\frac{kr }{\mu_\alpha} \right>relative phase mobility
In most popular In most practical 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 = \ |
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left<\ \right> Oil \left< \right> Gas left<\ \right> Water mobilitySee also
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Physics / Fluid Dynamics / Percolation
Petroleum Industry / Upstream / Subsurface E&P Disciplines / Field Study & Modelling
[ Petrophysics ] [ Basic reservoir properties ] [ Permeability ] [ Absolute permeability ] [Relative permeability] [ Wettability ] [ Phase mobility ] [ Relative phase mobilities ]
[ Multihase Fluid Mobility ]