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V_\phi = V_{\rm open} + V_{\rm closed} |
The log name is PHIE.
Effective porosity is a function of reservoir pressure at a given location LaTeX Math Inline body p({\bf r})
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\phi(\mathbf{r}, \ p) = \phi_0(\mathbf{r}) \exp \left[ - \int_{p_i}^p c_r(p) \, dp \right] |
where
| pore compressibility | ||||
| шnitial formation pressure |
See also
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Petroleum Industry / Upstream / Subsurface E&P Disciplines / Petrophysics (PP) / Volumetric Rock Model
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