Fig. 4. PTA Diagnostic Plot with ETR, MTR and LTR time zones.
Pressure drop is in blue and log-derivative is in red.
The late time interval of the pressure transitions during which bottom-hole pressure is evolving under Boundary Dominated Flow (BDF) well flow regime (see LTR at Fig. 1)
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Fig. 4. 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
[ Well & Reservoir Surveillance ] [ Pressure Diffusion ] [ ETR ] [ MTR ]