A value of gas saturation  below which gas is not getting swept by oil:

k_{rgo} (s_g < s_{goc}) =0


It usually depends on  absolute permeability  as:

s_{goc} = s_{goc,0} \cdot \left( 1 + k_a/k_{a,sgoc} \right)^{-n_{sgoc}} 


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 permeability ] [ Gas relative permeability ] [ Gas-oil relative permeability (krgo) ]