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@wikipedia


Specific type of Lift mechanism where bottom-hole pressure is reduced artificially by the light fluid column in the tubing due to gas injection into the lifting up fluid column.


In AGL, the true reservoir gas reservoir Gas production rate i s is the sum of the  is calculated as the difference between total measured produced gas rate 

LaTeX Math Inline
bodyq^{\uparrow}_{GT}
and Gas lift rate 
LaTeX Math Inline
bodyq^{\downarrow}_{GL}
 which has been injected into annulus to support the fluid lift in the tubing:

LaTeX Math Block
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q^{\uparrow}_{G} = q^{\uparrow}_{GT} - q^{\downarrow}_{GL}


See Also

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Petroleum Industry / Upstream /  Production / Subsurface Production Operations / Lifting Well ControlLift Mechanism

Gas lift rate ]