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