Petroleum Engineering Test 1 Nddc Scholarship
Question 51
When two or more phases exist in the production fluid such as such as oil, gas, water, and sand, we term that as a ______
Correct Answer: B. Multiphase flow
When the production fluid contains two or more phases—such as oil, gas, water, and sometimes sand—it is referred to as multiphase flow, a common phenomenon in petroleum production systems.
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Question 52
One problem that can occur by slugging is that it_____________?
Correct Answer: A. Can make deposit and cause corrosion
Slugging causes intermittent flow of gas and liquid phases, which can lead to liquid accumulation, uneven flow, and eventually deposits and corrosion in pipelines and equipment.
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Question 53
Two of these are causes of slugging?
Correct Answer: A. Low gas-oil ratio / High Water Cut
Slugging is often caused by a low gas-oil ratio, which reduces the ability of gas to keep liquids moving, and a high water cut, which contributes to unstable flow regimes—both conditions favor the formation of liquid slugs.
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Question 54
Which of these controls flow rate
Correct Answer: A. Rotator
A rotator controls flow rate by regulating rotational speed in certain pumping or mechanical flow systems.
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Question 55
Gas lift is Not applied to?
Correct Answer: D. Pump
Gas lift is used to aid fluid flow in the wellbore, tree, and riser base, but it is not applied to pumps.
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Question 56
One of these four flow regimes is Not necessary to worry about when dealing with erosion during production?
Correct Answer: D. Huston bed flow
Huston bed flow is not a recognized flow regime in production systems, so it’s not considered when assessing erosion risks.
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Question 57
When is sand flow most difficult?
Correct Answer: A. When sand flow is going uphill
Gravity works against the movement of sand in uphill flow, making transport more difficult.
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Question 58
What problem plagues bits in some formations where too much weight on bit is applied?
Correct Answer: A. Bit balling
Bit balling occurs when cuttings stick to the drill bit due to excessive weight, reducing cutting efficiency.
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Question 59
Which of these is not the type of flow regimes that can be used in underbalanced drilling?
Correct Answer: D. aerosone
Aerosone is not a recognized flow regime in underbalanced drilling, unlike dry air, mist, and foam.
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Question 60
Which war undermined the unity of OPEC in 1980-1988?
Correct Answer: C) Iran-Iraq War
The Iran-Iraq War caused divisions among OPEC members, disrupting cooperation and affecting oil production agreements.
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