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
  • This course provides a comprehensive, practical knowledge of gas lift concepts, operations, equipment, and potential problems.
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.
Prerequisite
  • No prerequisites for this course.
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 PROSPERā„¢ 0.25 day
  • Overview of well performance software tool and methods.
  • PROSPER™ methodology for gas-lift design and troubleshooting, manual application.