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The geometrical skin is positive for limited entry wells.


For the fractured vertical well the geometrical skin-factor 

LaTeX Math Inline
bodyS_G
is related to Fracture half-length 
LaTeX Math Inline
bodyX_f
as:

LaTeX Math Block
anchorXf
alignmentleft
S_G= -\frac{X_f}{2\, r_w}

See Also

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Petroleum Industry / Upstream / Subsurface E&P Disciplines / Well Testing / Pressure Testing

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