AVEVA PIPEPHASE (formerly SimSci PIPEPHASE) is a steady-state multiphase flow simulator for oil and gas production networks and pipeline transmission systems . It calculates pressure, temperature, and liquid holdup across gathering networks and pipeline systems .
Core Capabilities
- Fluid Modeling: Handles single-phase, black oil, and compositional mixtures. Extensive physical property database with 1,800+ components and 32 pressure-drop correlations .
- Network Simulation: Models arbitrary networks—tree-shaped or loops with undefined flow directions. Includes pumps, valves, compressors, heat exchangers, and separators .
- Applications: Single-well sensitivity analysis, field-wide multi-year planning, CO₂ pipelines, steam-assisted gravity drainage (SAGD), hydrate prediction, gas lift analysis, and heat transfer in heavy oil pipelines .
- Production Planning: Time-stepping feature integrates reservoir decline curves with facility expansion scenarios, providing long-term asset lookahead .
Integration & API
- COM API: Fully customizable integration with Excel, Access, PRO/II process simulators, CMG reservoir simulators, and ROMeo online optimizer .
- SIM4ME Portal: Links PIPEPHASE simulations with Excel, enabling users to change inputs, run simulations, and view results without coding .

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