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q_1^{\uparrow}(t)=J \cdot \left( p_e(t) - p_{wf}(t) \right) |
and as such depends on completion/lift settings settings (defining | LaTeX Math Inline |
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| body | --uriencoded--p_%7Bwf%7D(t) |
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) and how formation pressure is maintained over time.
It keeps declining due to to the offtakes:
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p_e(t) = p_e[q_1^{\uparrow}(t), q_2^{\uparrow}(t), q_3^{\uparrow}(t), \dots] |
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The combination of | LaTeX Math Block Reference |
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, | LaTeX Math Block Reference |
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and | LaTeX Math Block Reference |
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lead to the correlation between production raterates, injection rates and bottomhole pressure variation.
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- Create short-term prediction model on production response to various multi-well production regimes
- Compare the well dynamics and and cross-well connectivity with expectations and identify the candidates for drilling, workover or additional well surveillance
- Assess dynamic reservoir properties
Outputs
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| Production History |
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Simulated BHP history, | LaTeX Math Inline |
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| body | --uriencoded--p_%7Bwf%7D(t) |
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Simulated formation pressure history, |
Simulated Productivity Index history, |
Simulated Cross-well interference history, | LaTeX Math Inline |
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| body | --uriencoded--p_%7Bk \rightarrow m%7D(t) |
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| Production Forecast |
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| Rate forecast under Pressure Control regime, | LaTeX Math Inline |
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| body | --uriencoded--p_k(t), \%7B q_m(t) \%7D \rightarrow q_k(t) |
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BHP forecast under Liquid Control regime, | LaTeX Math Inline |
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| body | --uriencoded--\%7B q_m(t) \%7D \rightarrow p_%7Bwf, \, k%7D(t) |
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Formation pressure forecast under Liquid Control regime, | LaTeX Math Inline |
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| body | --uriencoded--\%7B q_m(t) \%7D \rightarrow p_%7Be, \, k%7D(t) |
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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) |
| Material Balance Pressure Plot |
| Inflow Performance Relationship (IPR) |
| Cumulative Productivity Plot (Hall Plot) |
| J-plots |
| WOR diagnostics |
| GOR diagnostics |
| Primary Well & Reservoir properties |
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| 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 |
Inputs
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