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{\bf u} = - M \cdot \nabla p = - \frac{k}{\mu} \cdot ( \nabla p - \rho \, {\bf g} ) |
where
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| fluid mobility |
| fluid density | |||||||||
| formation permeability |
| gravity vector | ||||||||
| fluid viscosity |
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In multiphase flow the Darcy flow equation is applicable for each phase independently.
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