The initial time interval of the pressure transient during which bottom-hole pressure is dominated by infinite-acting radial flow (see MTR at Fig. 1)
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Fig. 1. PTA Diagnostic Plot with ETR, MTR and LTR time zones. Pressure drop is in blue and log-derivative is in red. |
See Also
Petroleum Industry / Upstream / Subsurface E&P Disciplines / Well Testing / Pressure Testing / Pressure Transient Analysis (PTA) / PTA Diagnostic Plot
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