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S_M = \frac{2 \pi \sigma}{q_t} \cdot \left[ p_{wf}(t) - p({\bf r}, t) |_{{\bf r} \in \Gamma_s} \right] |
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The most popular practical range of skin-factor variation is
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The values of
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For horizontal wells the lower practical limit when Mechanical Skin concept can be applied is even lower and usually assumed as 0.
See Also
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Petroleum Industry / Upstream / Subsurface E&P Disciplines / Well Testing / Pressure Testing
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