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NPI = \int_0^t \frac{\delta p(\tau)}{q(\tau)} \, d \tau |
where
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Rate Transient Analysis based on NPI (see Fig. 1).
| RTA NPI |
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| Fig. 1. RTA NPI Sample. |
| Normalised Pressure Integral (in blue) and its log-derivative (in red). |
See Also
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Petroleum Industry / Upstream / Production / Subsurface Production / Field Study & Modelling / Production Analysis / Rate Transient Analysis (RTA)
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