Artificial Lift: Gas-LiftCOMP/GLIFTE

Who should attend?

  • This course provides a comprehensive, practical knowledge of gas lift concepts, operations, equipment and potential problems.
Audience :
  • E&P professionals involved in operating wells using gas lift.

Level : Proficiency

Course Content

  • FLOWING GRADIENTS - TUBING PERFORMANCE CURVES

      • 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

      • 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

      • 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

      • 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

      • Well surface equipment.
      • Unloading procedure.
      • Operating recommendations.
      • Surveillance and troubleshooting.
  • INTRODUCTION TO PROSPER™

      • Overview of well performance software tool and methods.
      • PROSPER™ methodology for gas-lift design and troubleshooting, manual application.
  • KNOWLEDGE ASSESSMENT

Learning Objectives

  • Upon completion of the course, participants will be able to:
  • perform a gas lift design,
  • analyze gas lift operating conditions,
  • improve well performance.

Ways & Means

  • Practical exercises to grasp physical phenomena.
  • Numerous animations and videos.