Winsauer equation
Input(s)
a: Pore Geometry Coefficient (range of 0.35 to 4.78 ) (dimensionless)
\(\mathrm{m}\): Pore Geometry Coefficient2 (range of 1.14 to 2.52) (dimensionless)
ø: Porosity (fraction)
Output(s)
F: Formation resistivity factor (dimensionless)
Formula(s)
\[
F=a *(\phi)^{-m}
\]
Reference(s)
Bassiouni, Z., 1994, Theory, Measurement, and Interpretation of Well Logs. SPE Textbook Series Vol. 4. Chapter 1, Page: 7.