Isothermal compressibility of limestones (Newman correlation)
Input(s)
\(\phi\): Porosity (fraction)
Output(s)
\(\mathrm{C}_{\mathrm{t}}\): Compressibility \(\left(\mathrm{psi}^{-1}\right)\)
Formula(s)
\[
\mathrm{Ct}=\frac{97.32 * 10^{-6}}{(1+55.8721 * \emptyset)^{1.42869}}
\]
Notes: Check for \(0.02<\varnothing<0.23\).
Reference(s)
Applied Petroleum Reservoir Engineering, Craft & Hawkins, Page: 11.