Formula 4.68
Productivity ratio
Input(s)
J: Productivity Index of a well in any condition (fraction)
$J_{s w}$: Productivity index of a standard well (fraction)
Output(s)
PR: Productivity Ratio (fraction)
Formula(s)
$$ P R=\frac{J}{J_{s w}} $$
Reference(s)
Horizontal Well Technology, Joshi, Page: 46.