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| LaTeX Math Block | ||
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S = \frac{2 \pi \sigma}{q_t}p_{wf}(t) - p(t, r_w)}{r_w \cdot \frac{\left[partial p_{wf}(t) - p^*_{wf}(t) \right]}{\partial r} \Bigg|_{r=r_w} } |
where
| total sandface rate | ||||||||
| formation transmissibility outside the damaged reservoir zone
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