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E-459 - Artificial Lift: Gas Lift

  • E&P professionals involved in operating wells using gas lift
  • To provide a comprehensive, practical knowledge of gas lift concepts, operations, equipment, and potential problems
Learning Objectives
  • To analyze gas lift operating conditions
  • To improve well performance
Ways and means
  • Practical exercises to grasp physical phenomena
Kindly refer to the following complementary course which might be of interest: “Artificial Lift: Pumping” (E-460)

Flowing gradients - Tubing performance curves 1 day
  • Well representation and nodal analysis
  • Inflow: Productivity Index (PI) and Inflow Performance Relationship (IPR) techniques
  • Outflow: vertical flowing pressure gradient curves in diphasic flow and Tubing Performance Curve (TPC)
Introducing gas lift systems 1 day
  • Principle and active parameters
  • Characteristics and advantages
  • Operating parameters determination: gas injection depth, pressure and rate
  • Determination of the absolute maximum flow rate versus GLR (gas-liquid ratio). Optimization with time
Gas lift down hole equipment 0.5 day
  • Valve mechanics and characteristics
  • IPO / Casing-operated gas-lift valves
  • PPO / Tubing-operated gas-lift valves
  • Conventional and Side Pocket Mandrel (SPM)
  • Miscellaneous valves and equipment
Continuous gas lift down hole equipment design 1.25 days
  • Side pocket mandrel spacing and valve selection
  • Manual (graphical) design
  • Standard completion designs and other possibilities (dual completion, macaroni / coiled tubing)
Continuous gas lift operation 1 day
  • Well surface equipment
  • Unloading procedure
  • Operating recommendations
  • Surveillance and troubleshooting
Introduction to PROSPER™ 0.25 day
  • Overview of well performance software tool and methods
  • PROSPER™ methodology for gas-lift design and troubleshooting, manual application