A bilogarithmic plot of pressure drop P and its log-derivative P'.
This plot represents the key diagnostic metric for Pressure Transient Analysis.
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Fig. 1. Example of pressure log-log plot showing DTR Pressure drop P in blue and log-derivative P' in red |
See Also
Petroleum Industry / Upstream / Subsurface E&P Disciplines / Well Testing / Pressure Testing / Pressure Transient Analysis (PTA) / PTA Diagnostic Plot
[ Well & Reservoir Surveillance ] [ Pressure Diffusion ] [ Log-derivative ]