LNG Process Simulation

LNG/LNGSIMGB

Who should attend?

  • This course aims to acquire a comprehensive knowledge and practical know-how in the simulation of natural gas pre-treatment and liquefaction processes, with an emphasis on condensate recovery, fractionation and integration with the liquefaction process.
Audience :
  • Process design engineers involved in conceptual design, basic or detailed engineering of LNG plants.

Level : Proficiency

Course Content

  • NEED FOR GAS FIELD PROCESSING - QUALITY REQUIREMENTS

      • Review of main concepts and products within the gas/condensate chain.
      • Undesired constituents for storage, transport, or end use of natural gas.
      • Different specifications and quality requirements for natural gas: sales gas specifications, reach/lean gas specifications.
      • Required treatments and overview of gas processing.
      • Examples of compositions of commercialized natural gases.
  • STEADY-STATE PRO/II™ OR HYSYS™ SIMULATION CASE STUDIES

      • Equations Of State (EOS); uses, examples, selection:
      • Reservoir fluids phase envelope.
      • Flash separation of multicomponent mixtures.
      • Phase envelope of gases versus composition.
      • GHV and WI calculation using PRO/II™ or HYSYS™.
      • Construction of simulation reports.
  • CONDENSATE RECOVERY, FRACTIONATION & REFRIGERANT MAKE-UP

      • Condensate fractionation: choice of the operating conditions.
      • Quality requirements for methane, ethane, propane and butane used for MR make-up.
      • Storage of methane, ethane, propane and butane for make-up.
      • Nitrogen requirements for make-up.
  • SIMULATION OF CONDENSATE RECOVERY & FRACTIONATION USING PRO/II™ OR HYSYS™

      • Selection of thermodynamics packages.
      • Simulation of a condensate fractionation and stabilization process.
  • CASCADE PROCESS OPERATING CONDITIONS & SIMULATION

      • Process diagram and operating parameters.
      • Simulation of the liquefaction process: optimization of the operating conditions, compressors sizing.
  • COMPARISON OF THE MAIN MIXED REFRIGERANTS LIQUEFACTION PROCESSES

      • Fields of application of liquefaction processes.
      • Comparison with cascade process and turbo expander based process.
  • LIQUEFACTION WITH C3 - MIXED REFRIGERANTS - OPERATING CONDITIONS & SIMULATION

      • Process diagram and operating parameters.
      • Simulation of the liquefaction process: optimization of the operating conditions, compressors sizing.
      • Optimization of MR composition.
  • LIQUEFACTION WITH 2 MIXED REFRIGERANTS - OPERATING CONDITIONS & SIMULATION

      • Process diagram and operating parameters.
      • Simulation of the liquefaction process: optimization of the operating conditions, compressors sizing.
      • Optimization of MR composition.
  • LIQUEFACTION PROCESSES PERFORMANCES COMPARISON

      • Heat and mass balance for each process.
      • Comparison of power requirements for the different processes.

Learning Objectives

  • Upon completion of the course, participants will be able to:
  • assess various problems that can be induced by unwanted elements and compounds in gas streams,
  • design, explain the operation and operating parameters of gas condensate recovery systems and natural gas liquefaction processes,
  • perform steady-state simulations with PRO/II™ or HYSYS™, model set-ups, and simulate gas processing and liquefaction processes,
  • optimize process operating conditions, compare processes performances, evaluate power requirements, size equipment…,
  • check plant performance under different operating conditions, implement the optimal process scheme.

Ways & Means

  • Highly interactive training course delivered by industry experts and adapted to participants’ experience.
  • Numerous simulation and case studies performed using PRO/II™ or HYSYS™.
  • Simulation of DMR, MFC, N2/dual-expander & SMR processes can be performed in classroom or as e-learning upon request.