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A pore volume
fraction of bulk rock volume containing the hydrodynamically connected fluids (also called free fluids) within each pore element:| LaTeX Math Block |
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\phi_e = V_\phi = \frac{\OmegaV_\phi}{\OmegaV_r} |
It splits into two components: open porosity and closed porosity:
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\phi_e = V\phi_{\rme, open} + V\phi_{\rme, closed} |
The log name is PHIE.
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\phi(\mathbf{r}, \ p) = \phi_0(\mathbf{r}) \exp \left[ - \int_{p_i}^p c_r(p) \, dp \right] |
where
See also
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Petroleum Industry / Upstream / Subsurface E&P Disciplines / Petrophysics (PP) / Volumetric Rock Model
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