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Natural Gas Liquids Extraction

Production - Treatments

LNG/NGL
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Who should attend?

  • This course provides an advanced review of the techniques involved in natural gas liquids extraction and processing.
Audience :
  • Process engineers, involved in advanced Natural Gas Liquids recovery.

Level : Advanced

Course Content

  • NATURAL GAS & NATURAL GAS LIQUIDS PRODUCTION & VALORIZATION

      • Field treatment of natural gas, transportation by pipe and associated quality requirements.
      • Natural gas monetization routes and NGLs markets.

  • MAIN QUALITY REQUIREMENTS

      • Quality requirements for commercial natural gases and associated products (ethane, LPG, condensates) and associated pre-treatment: mercury removal, conversion or adsorption of mercaptans (RSH), etc.

  • TECHNOLOGY USED IN THE NGL EXTRACTION UNITS

      • Review and main characteristics of the equipment used in the NGL recovery units: plate fine heat exchangers (typical pressure drops), turbo-expander (typical efficiency, acceptable liquid ratio, enthalpy drop), demethanizer (used internals and their efficiency).

  • NGL RECOVERY WITH CONVENTIONAL PROCESS

      • Needed notions of process performances and associated thermodynamics.
      • Process review.
      • Case studies:
      • Simulation of expansion of a natural gas stream through a valve and a turbo-expander, impact of operating parameters on NGL recovery and products quality.
      • Simulation of NGL recovery process with columns, impact of reflux on NGL recovery.

  • ORTLOFF PROCESS

      • Process review.
      • Case study: simulation of Ortloff process, impact of reflux stream composition on NGL recovery.

  • CRYOMAX PROCESS

      • Process review.
      • Case study: simulation of Cryomax process, comparison with Ortloff process.

  • NGL FRACTIONATION & ASSOCIATED TREATMENTS

      • NGL fractionation process review.
      • Case study: simulation of NGL fractionation process with mercaptans, mercaptans mass balance.
      • NGL needed treatments (Merox or equivalent) and comparison with the adsorption process on the main gas stream.

Learning Objectives

  • Upon completion of the course, participants will be able to:
  • explain technical issues and specific constraints of natural gas liquids extraction,
  • explain and simulate main NGL extraction processes,
  • compare process performances,
  • explain NGL specifications and associated treatments.

Ways & Means

  • Highly interactive training by industry-specialist lectures.
  • Process simulation using HYSYS or PROII.