Formation permeability to gas percolation:

k_g = k_a \cdot k_{rg}

where

absolute permeability

gas relative permeability


See also


Physics /  Fluid Dynamics / Percolation

Petroleum Industry / Upstream / Subsurface E&P Disciplines / Field Study & Modelling 

Petrophysics ] [ Basic reservoir properties ] [ Wettability ] [ Permeability ] [ Absolute permeability ]  [Relative permeability]  [ Gas relative permeability ]