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Oil, Gas & Water Separation

How a production facility splits the well stream into oil, gas and water: separation principles, two- and three-phase vessels, internals, level, pressure and interface control, emulsion treatment, and the upsets an operator must recognise and act on. For production operators, technicians and the engineers who support them.

57m
Total time
4
Competency levels
12
Lessons

What you'll learn

  • Explain why separation is the heart of production processing and what every downstream system inherits from it.
  • Describe how density difference, residence time and coalescence govern separator performance.
  • Distinguish two-phase and three-phase separators, and vertical and horizontal vessels, and say which duty each suits.
  • Identify the main separator internals — inlet devices, weirs, vortex breakers and demisters — and explain what each contributes.
  • Apply level, pressure and interface control, and manage emulsions through demulsifier dosing and bottle testing.
  • Diagnose common upsets — foaming, slugging, liquid carryover and gas blow-by — and choose a sound first response.

Curriculum

Progress through each competency level in order.

1

Awareness

  • Why separation is the heart of production processing
    Knowledge
    3m
  • How separation works: density, residence time and coalescence
    Knowledge
    3m
  • Awareness check: what separation does and why it works
    Assessment
    7m
2

Knowledge

  • Two-phase and three-phase separators
    Knowledge
    3m
  • Inside the vessel: inlet devices, weirs and demisters
    Knowledge
    3m
  • Knowledge check: vessel types and internals
    Assessment
    8m
3

Skill

  • Running the vessel: level, pressure, interface and emulsion control
    Knowledge
    4m
  • Separator round: record, cross-check and interpret
    Assignment
    3m
  • Skill check: controlling and reading a separator
    Assessment
    8m
4

Mastery

  • Separator upsets: foaming, slugging, carryover and gas blow-by
    Knowledge
    4m
  • Lead a separator upset review and coach the response
    Assignment
    3m
  • Mastery assessment: judgement under upset conditions
    Assessment
    8m

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