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|
J = \frac{q}{|p_e - p_{wf}|} |
where
The definition of flowrate
and
formation pressure may vary depending on application.
Overall concept is applicable to both producers and injectors but can be split into specific definitions:
The PI concept also applies to aquifer expansion:
LaTeX Math Block |
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|
J^{\downarrow} = \frac{q^{\downarrow}}{p(t) - p_{AQ}(t)} |
where
See Also
Petroleum Industry / Upstream / Production / Subsurface Production / Subsurface E&P Disciplines / Production Technology
[ Definition specifics on formation pressure and productivity index ] [ Sandface Productivity Index ] [ Surface Productivity Index ] [ Specific Productivity Index ] [ Injectivity Index ]