A partner of excellencefor oil and gas professional development

E-459 - Artificial Lift: Gas Lift

5 days PRO/GLIFTE
Level
Proficiency
Audience
  • E&P professionals involved in operating wells using gas lift
Purpose
  • To provide a comprehensive, practical knowledge of gas lift concepts, operations, equipment, and potential problems
Learning Objectives
  • Perform a gas lift design
  • Analyze gas lift operating conditions
  • Improve well performance
Ways and means
  • Practical exercises to grasp physical phenomena
  • Numerous animations and videos
Observation
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