Normalized saturation

Input(s)

$S_{w}$: Saturation of Water (fraction)

$S_{\text {or }}$: Residual Water Saturation (fraction)

$S_{w i}$: Initial Water Saturation (fraction)

Output(s)

Son: Normalized Saturation (fraction)

Formula(s)

$$ \text { Son }=\frac{1-S_{w}-S_{o r}}{1-S_{w i}-S_{o r}} $$

Reference(s)

Wikipedia.org.