Water saturation - Resistivity logs
Input(s)
\(\mathrm{n}\): Saturation Exponent (dimensionless)
\(R I\): Resistivity Index (dimensionless)
Output(s)
\(S_{w}\): Water Saturation (fraction)
Formula(s)
\[
S_{w}=\left(\frac{1}{R I}\right)^{\frac{1}{n}}
\]
Reference(s)
Core Laboratories. 2005. Formation Evaluation and Petrophysics, Page: 42.