Porosity-neutron flux relationship

Input(s)

$\mathrm{N}$: Neutron Tool Response (dimensionless)

$\alpha$: Constant Related to Formation Properties and Tool Design (dimensionless)

ß: Constant Related to Formation Properties and Tool Design (dimensionless)

Output(s)

$\Phi$: Porosity (fraction)

Formula(s)

$$ \Phi=\alpha-\beta * \log (N) $$

Reference(s)

Bassiouni, Z., 1994, Theory, Measurement, and Interpretation of Well Logs. SPE Textbook Series Vol. 4. Chapter 9, Page: 174.