Formation resistivity and permeability (Carothers) relation for sandstones
Input(s)
F: Formation Resistivity Factor (dimensionless)
Output(s)
k: Permeability \((\mathrm{mD})\)
Formula(s)
\[
k=\frac{7 * 10^{8}}{F^{4.5}}
\]
Reference(s)
Bassiouni, Z., 1994, Theory, Measurement, and Interpretation of Well Logs. SPE Textbook Series Vol. 4. Chapter 1, Page: 11 .