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Primary Inputs | |
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PVT model | |
Production/injection history for all wells in a test | |
Bottom-hole pressure (BHP) history for at least one well | |
Additional Inputs | |
Well location | |
Well schematics | |
Well tests | |
Initial formation pressure at drilling (DST/WFT) | |
Production Logging Reports | |
Pressure Transient Survey reports | |
Workover history |
Outputs
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Production History | |
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Simulated total subsurface flowrate history |
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Simulated BHP history,
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Simulated formation pressure history,
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Simulated Productivity Index history, |
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Simulated Cross-well interference history,
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Production Forecast | ||||
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Rate forecast under Pressure Control regime,
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BHP forecast under Liquid Control regime,
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Formation pressure forecast under Liquid Control regime,
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Diagnostic Metrics | ||||
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Cross-well interference map | ||||
Unit-rate Transient Response Matrix (UTRM) | ||||
Unit-rate Transient Response Spider (UTRS) | ||||
Inflow Performance Relationship (IPR) | ||||
Cumulative Productivity Plot (Hall Plot) | ||||
J-plots | ||||
WOR diagnostics | ||||
GOR diagnostics | ||||
Primary Well & Reservoir properties | ||||
Potential drainage volume |
Current dynamic drainage volume |
Secondary Well & Reservoir properties | |
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Apparent transmissibility | |
Apparent skin-factor | |
Fracture half-length | |
Dynamic fracture pressure threshold |
Applications
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Production forecasts | |
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Predict formation pressure without shutting wells down and avoiding production deferment | |
Short-term production forecasts for different multi-well production scenarios | |
Selecting well-intervention candidates | |
Identify well-intervention candidates with possible thief production/injection | |
Identify well-intervention candidates with possibly inefficient reservoir flow profile | |
Identifywell-intervention candidates for Rate Optimization | |
Identifywell-intervention candidates for producer ↔ injector conversion | |
Dynamic Model Calibration | |
Adjusting historical production allocation | |
Adjusting the potential reservoir volume extension at different directions | |
Adjusting faults / channels / compartmentalization | |
Adjusting fracture model |
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