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When flowrate is constant
both methods are equivalent because
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| body | --uriencoded--\displaystyle w(t) = \frac%7Bq_t%7D%7BQ%7D =\frac%7B1%7D%7Bt%7D |
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The q-weighted J-plot provides the same accuracy of productivity index estimation as Hall Plot but additionally provides a useful insight into the ranges of historically averaged flowrates and drawdowns.
See Also
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Petroleum Industry / Upstream / Production / Subsurface Production / Field Study & Modelling / Production Analysis / Productivity Diagnostics
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