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| LaTeX Math Block |
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S_G = \frac{2 \pi \sigma}{q_t} \left[ p_{wf}(t) - p({\bf r}, t) |_{r = r_w} \right] |
where
It characterises the pressure drop at well-reservoir contact due to well-reservoir contact geometry.
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The geometrical skin is positive for limited entry wells.
For the fractured vertical well the geometrical skin-factor
is related to Fracture half-length as:| LaTeX Math Block |
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S_G = - \ln \left(\frac{X_f}{2\, r_w} \right) |
See Also
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Petroleum Industry / Upstream / Subsurface E&P Disciplines / Well Testing / Pressure Testing
[ Well & Reservoir Surveillance ] [ Skin-factor (total) ] [ Skin-factor (mechanical) ]
