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It's a virtual analogue of a unit-rate step-response pressure interference test. to the well "k" from the constant unit-rate production
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| Fig. 1. A sample of typical CTR (pressure drop P in blue and log-derivative P' in red) presented on PTA type-library log-log plot |
See Also
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Petroleum Industry / Upstream / Subsurface E&P Disciplines / Well Testing / Pressure Testing
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