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LaTeX Math Block | ||||
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k=k_0 \, e^{n_k \cdot c_r (p-p_0)} |
where
| formation compressibility | ||||||||||||
| permeability at reference pressure
(usually picked up at initial reservoir pressure
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| power degree of permeability-porosity correlation |
The substantial reduction of formation pressure leads to shrinking of numerous pore throats and massive reduction in permeability deviating from exponential.
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