Equivalent skin factor in fractured wells
Input(s)
\(x_{f}\): Fracture Half Length \((\mathrm{ft})\)
\(r_{w}\): Wellbore Radius ( \(\mathrm{ft}\) )
Output(s)
\(S_{f}\): Equivalent Skin (unitless)
Formula(s)
\[
S_{f}=0.7-\ln \left(\frac{x_{f}}{r_{w}}\right)
\]
Reference(s)
Boyun, G., William, C., & Ali Ghalambor, G. (2007). Petroleum Production Engineering: A Computer-Assisted Approach, Page: 17/257.