A value of gas saturation
s_{grw} below which oil is not getting displaced by water:
| (1) | k_{rgw} (s_g < s_{grw}) =0 |
It usually depends on absolute permeability k_a as:
| (2) | s_{grw} = s_{grw,0} \cdot \left( 1 + k_a/k_{a,sgrw} \right)^{-n_{sgrw}} |
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] [ Oil permeability ] [ Oil relative permeability ] [ Oil-water relative permeability (krow) ]