(see Compressibility @ Wikipedia)
A measure of formation porosity \phi change due to pressure p variation:
| (1) | c_r = \frac{1}{\phi} \frac{\partial \phi}{\partial p} |
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(see Compressibility @ Wikipedia)
A measure of formation porosity \phi change due to pressure p variation:
| (1) | c_r = \frac{1}{\phi} \frac{\partial \phi}{\partial p} |