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| LaTeX Math Block | ||||
|---|---|---|---|---|
| ||||
k = \frac{d^2}{72 \cdot \tau^2} \cdot \frac{(\phi_f -\phi_{f0})^3}{( 1 - \phi_f+\phi_{f0})^2} |
where
| absolute permeability | ||||
| effective formation porosity | ||||
| porosity cut-off | ||||
| grain size | ||||
| pore channel tortuosity |
The alternative form is:
| LaTeX Math Block | ||||
|---|---|---|---|---|
| ||||
k = 1014.24 \cdot FZI^2 \cdot \frac{\phi^3(\phi_f -\phi_{f0})^3}{( 1 - \phi _f+\phi_{f0})^2} |
where
| effective porosity | ||||
|---|---|---|---|---|---|
| Flow Zone Indicator |
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