Open pore \Omega_{\rm open} fraction of pore volume \Omega_\phi :
V_{\rm open} = \frac{\Omega_{\rm open}}{\Omega_\phi} |
See also
Petroleum Industry / Upstream / Subsurface E&P Disciplines / Petrophysics (PP) / Volumetric Rock Model
[ Basic reservoir properties ] [ Pore volume ] [ Open pore volume ] [ Closed pore volume ] [ Porosity ] [ Open porosity ] [ Closed porosity ]