GENNET – M

 Pipeline network for Multiphase Mixtures of Gas, Oil or Condensate and Water

by Fluid Flow Consultants

The name "GENNET" is an acronym for GENeral pipeline NETwork program. Thus, GENNET models systems comprised of pipes and Pressure/Temperature-changing equipment (pumps, compressors, heaters, valves, coolers, fittings, etc.) connected together in any configuration.

GENNET-M is a Windows program that calculates flow rates, pressures, temperatures, velocity and other related variables in a pipeline network system carrying petroleum gases, liquids, water and multiphase mixtures under Steady-State conditions.

Essentially, GENNET-M is a streamlined version of the SIMPL program (the SIMPL engine) configured with and controlled by a network optimization program. In addition to the features inherited from SIMPL, GENNET-M has the following:

• Handles Any Network Configuration:
  • Multiple Sources (Supplies)
  • Multiple Sinks (Deliveries)
  • Multiple Loops
• Has a generic Delta P/T versus Flow (DPDT) device to model:
  • Pumps
  • Compressors
  • Heaters
  • Coolers
  • Valves
  • Fittings
• Source fluid variability (each source can be of completely different gravity and viscosity):
  • Liquid Viscosity versus Temperature Curve Input Option
  • Fluid property blending at junctions
  • Isenthalpic fluid temperature mixing at junctions
• Pressure Calibration Option (enables you to match calculated pressures to measured pressures)
• Liquid "Pigging" Factor Option (enables you to remove part or all of the liquids from any part or the system, so that you can calculate the improved, efficiencies of pigged lines).
• Graph Pressure & Temperature versus Distance
• Fixed Flow or Pressure Option at Sources and Sinks

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