TOPICAL LIST

• Artificial Lift
• a brief review
• Basic principles of gaslift production
• The golden rules of gaslift operations
• Type of gaslift systems
• Applicability and limitation of gaslift methods
• Gaslift well completion design
• Production characteristics and lift performance relationship
• Hydraulic characteristics of orifice valve
• Steady state stability of gaslift production
• Gaslift diagram and sensitivity analysis
• Gas volume requirements
• Pressure requirements
• Needs for unloading
• Unloading process
• Classification of gaslift valves
• Valve mechanics
• closing and opening conditions
• Calibration procedures of gaslift valves
• Gas passage and throttling characteristics of gaslift valves
• Equilibrium curve
• construction and application
• String design
• a manual design procedure
• String design
• a computerized procedure
• Design uncertainties and design factors
• Side-pocket mandrels, locks and kick over tools
• Gaslift optimization (individual wells and entire fields)
• Erratic and irregular production, reasons and consequences
• Well surveillance and testing
• Trouble shooting and problem analysis
• Real time computer assisted control (central control and local logic controllers)
• Gaslift simulators
• Riser-base injection; slug arresting features
• Commingling gas & oil zone production ("smart well"); advantages and drawbacks
• R&D and emerging gaslift technologies
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