In material balance equation, We represents:
a) Reservoir energy
b) Water influx
c) Well efficiency
d) Wellbore enlargement
Answer: b) Water influx
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Which of the following is a secondary recovery method?
a) Primary depletion
b) Gas injection
c) Hydraulic fracturing
d) Core analysis
Answer: b) Gas injection
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Darcy’s law is used to determine:
a) Drilling speed
b) Permeability
c) Wellhead pressure
d) Reservoir temperature
Answer: b) Permeability
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