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E-542 - Operation of Gas Lift Wells

  • Control room operators and field operators involved in gas lift wells monitoring and operation
  • To provide a comprehensive knowledge and know-how of gas lift wells operation. To identify and troubleshoot most common operations issues
Learning Objectives
  • To explain eruptive and assisted well dynamics
  • To identify gas potential available to ensure gas lift activation
  • To describe downhole and surface equipment of gas lift wells
  • To implement and monitor gas lift wells start-up sequence
  • To operate and start-up gas lift wells
  • To identify and troubleshoot gas lift wells instabilities
Ways and means
  • Very interactive training by industry specialists
  • Numerous teamwork exercises on operation and troubleshooting

Hydrostatics and well dynamics 0.75 day
  • Evolution of pressures - Condition of eruptive well
  • Fundamentals of fluid flow - Pressure drop / Skin effect
  • Wells activation method, stimulation/activation principle
  • Evolution of reservoir parameters
  • Common stimulation methods
  • Comparison and selection of activation methods
Gas lift operating principle and associated equipment 0.75 day
  • Gas lift principle
  • Pressure gradient evolution
  • Downhole equipment
  • Downhole equipment - Completion
  • Gas lift valve principle - Different types of valves
  • Surface equipment
  • Surface equipment
  • Metrology - Single/multiple wells operation (manual - automatic)
Gas lift well start-up method and sequence 0.5 day
  • Sequential start-up of gas lift wells
  • Initial start (first start-up)
  • Simple Start (after ESD shutdown)
  • Start-up problems
  • Gas lift wells startup method
  • Open tubing startup sequence
  • Closed tubing startup sequence
  • Troubleshooting
  • Stabilization and tuning difficulties
  • Potential problems and associated solutions
Pros and Cons of gas lift 0.25 day
Teamwork exercises - Operations troubleshooting 0.5 day