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A popular convention for pressure transient data analysis is PTA Diagnostic Plot.
Fig. 1. Drawdown pressure transient as response to opening a well for production rate increase(#1) and to production rate increase (#2) | Fig. 2. Build-up pressure transient as response to production rate decrease (#1) and to shutting down the production (#2). | |||
Fig. 3. | Fall-offInjection pressure transient as response | toto opening a well for injection (#1) and to injection rate | increaseincrease (#2) | Fig. 4. Injection Fall-off pressure transient transient as response to injection rate decrease |
Fig. 5. Drawdown pressure transient as response to production rate increase | Fig. 6. Build-up pressure transient as response to production rate decreaseinjection rate decrease (#1) and to shutting down the injection (#2). |
See Also
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Petroleum Industry / Upstream / Subsurface E&P Disciplines / Well Testing / Pressure Testing
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