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( 3 0 points ) Consider a 1 0 , 0 0 0 f t deep well that is to produce 5 0 0 stb
points Consider a deep well that is to produce stbd with gradient curves given in Figure The natural GLR is scfstb the average reservoir pressure is psi, and the IPR for the well is
Pressure drop across the gas lift valve is psi. If the gas is to be injected at :
a What is the GLR in the tubing above the injection point?
b What is
c What is
Suppose the maximum possible surface pressure was limited to psi less than the value calculated in part b In order to produce the same liquid rate with this lower gas pressure, assuming the pressure gradient in the tubing below the gas injection point is use this number and not what you have calculated or determined above:
d What is
e What is GLR in the tubing above the injection point?
f What is
g What is
Pressure
Figure : Pressure gradient for Question
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