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Which law forms the basis for describing single-phase fluid flow through porous media?
A) Darcy’s Law
B) Fick’s Law
C) Henry’s Law
D) Pascal’s Law

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The primary purpose of drilling mud is:
A) Cooling and lubricating the bit
B) Carrying cuttings to the surface
C) Controlling formation pressure
D) All of the above

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Gas lift method of artificial lift works on the principle of:
A) Increasing bottom hole pressure
B) Reducing fluid density in tubing
C) Increasing tubing friction
D) Hydraulic pumping

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Which logging tool is primarily used to determine porosity in a formation?
A) Caliper log
B) Density log
C) Gamma ray log
D) Resistivity log

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In water flooding, the main recovery mechanism is:
A) Gravity drainage
B) Displacement of oil by injected water
C) Solution gas drive
D) Rock compaction drive

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Skin factor in well testing indicates:
A) Permeability of formation
B) Damage or stimulation near wellbore
C) Reservoir porosity
D) Flowing bottom hole pressure

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Net Present Value (NPV) of an oilfield project will increase if:
A) Oil price decreases
B) Operating costs increase
C) Discount rate increases
D) Production volume increases

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Blowout Preventers (BOPs) are installed:
A) On surface casing only
B) On production tubing only
C) On wellhead to control unexpected pressure surges
D) On mud pumps

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Which process is used in refineries to improve the octane number of gasoline?
A) Distillation
B) Cracking
C) Reforming
D) Polymerization

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Barite (BaSO₄) is added to drilling mud mainly for:
A) Increasing viscosity
B) Preventing corrosion
C) Increasing mud weight
D) Lubricating the bit

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Which of the following is not a primary reservoir drive mechanism?
A) Gas cap expansion
B) Water drive
C) Rock compaction
D) Steam injection

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The main cause of most offshore accidents is:
A) Poor equipment design
B) Human error
C) Weather conditions
D) Reservoir uncertainty

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Shale gas production primarily requires:
A) Natural drive mechanisms
B) Hydraulic fracturing
C) Gas lift
D) Water flooding

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