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Petroleum Production Operations
Petroleum Production Operations Interview
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Q.1
Oil wetting a normally water-wet formation can reduce the permeability by an average of 40%.
a) True
b) False
Q.2
Corrosion inhibitors and surfactants are generally cationic surfactants.
a) True
b) False
Q.3
Which of the following is incorrect in the context of surfactant used in the oil and gas industry?
a) Most cationic surfactant oil wet sandstone
b) Most cationic surfactant oil wet sandstone
c) Most cationic surfactant destabilizes water in oil emulsions
d) Organic corrosion inhibitors are usually cationic surfactants
Q.4
Emulsion – blocking and water – blocking is usually not a problem in _____ reservoirs except during acidizing.
a) Sandstone
b) Shale
c) Evaporites
d) Limestone and Dolomite
Q.5
Which of the following is incorrect in the context of cationic surfactant used in the oil and gas industry?
a) Most cationic surfactant oil wet sandstone
b) Surfactants should always swell and shrink
c) Most cationic surfactant stabilizes water in oil emulsions
d) Organic corrosion inhibitors are usually cationic surfactants
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