k_f = \mu_f \frac{| {\bf v}|}{ | \nabla p |} |
where
| fluid viscosity | |
| fluid velocity | |
| pressure gradient |
A measure of ability of a porous formation to allow a certain fluid to pass through it:
where
|
Units = md
Permeability depends on fluid type, filling the porous media and the fluid type which is sweeping through it.
Petroleum Industry / Upstream / Subsurface E&P Disciplines / Petrophysics