Part of pore volume \Omega_\phi which is globally hydrodynamically connected and contributes to permeability:
| \Omega_{\rm connected} = \Omega_\phi - \Omega_{\rm closed} |
where
\Omega_{\rm closed} | closed pore volume |
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 ]