| (1) | k = 1014.24 \cdot FZI^2 \cdot \frac{\phi^3}{( 1 - \phi )^2} |
where
with Flow Zone Indicator having a Artificial Neural Network dependance on porosity and shaliness:
| (2) | FZI(V_{sh},\phi_r) = ANN[V_{sh},\phi_r] |
for each lithofacies individually.
This model is very flexible in adapting to the input data and may pick up the correlation when Dual-component Cozeny-Karman permeability @model fails.
See also
Petroleum Industry / Upstream / Subsurface E&P Disciplines / Petrophysics / Absolute permeability / Absolute permeability @model