Gas-Lift Design Outline

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Presentation transcript:

Gas-Lift Design Outline Design Factors Injection Pressure Valve Size: 1.5” or 1” Port? Opening & Closing pressures Differential Valves Others? Continuous Flow IPO Valves Equilibrium curve Constant Rate (optimum gradients) Variable Rate PPO Valves Variable rate Dual Wells Intermittent Lift IPO Valves: unloading Spacing Factors Fall-back Pilot Operating Valve Gas-Lift Design: Breakout----Joe Clegg

Gas-Lift Design Static Flowing Valve type Size Seat/Port TEF Opening pressure Gas-Lift Design: Breakout----Joe Clegg

Equilibrium Curve Juch; Neely; Blann Gas-Lift Design: Breakout----Joe Clegg

IPO Valves: Constant rate design Gas-Lift Design: Breakout----Joe Clegg

Optimun Gradient Graphs Design graphs for: Wellhead Pressure = 100 psig 2.441” tubing, GLR = 750 cu.ft/barrel Gas Injection Pressure = 1000 psi Kill fluid gradient = 0.465 psi/ft Gas-Lift Design: Breakout----Joe Clegg

Variable rate Gas-Lift Design: Breakout----Joe Clegg

Blann & Winkler Gas-Lift Design: Breakout----Joe Clegg

Intermitent Gas-Lift Design-- Manual Gas-Lift Design: Breakout----Joe Clegg

Intermittent Gas-Lift Design Gas-Lift Design: Breakout----Joe Clegg

PPO valves Dual Well Gas-Lift Design: Breakout----Joe Clegg

IPO Valves Gas-Lift Design: Breakout----Joe Clegg

Conclusions Gas-Lift Design: Breakout----Joe Clegg