Winsauer equation

Input(s)

a: Pore Geometry Coefficient (range of 0.35 to 4.78 ) (dimensionless)

m\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(ϕ)mF=a *(\phi)^{-m}

Reference(s)

Bassiouni, Z., 1994, Theory, Measurement, and Interpretation of Well Logs. SPE Textbook Series Vol. 4. Chapter 1, Page: 7.


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