Petroleum Production Operations Questions and Answers – Formation Damage – Asphaltene Plugging

This set of Petroleum Production Operations Multiple Choice Questions & Answers (MCQs) focuses on “Formation Damage – Asphaltene Plugging”.

1. Temperature reduction causes Asphaltene plugging.
a) True
b) False
View Answer

Answer: a
Explanation: The statement is true. Temperature reduction causes Asphaltene plugging. When the crude moves up from down then this experiences a reduction of temperature and hence Asphaltene deposition may take place.

2. How can the asphaltene deposition reduce permeability?
a) Causing the formation to become gas wet
b) Causing the formation to become water wet
c) Causing the formation to become oil wet
d) Causing the formation to become non- wet
View Answer

Answer: c
Explanation: The asphaltene deposition reduces permeability causing the formation to become oil wet. It can also decrease the permeability by plugging the pore spaces making it difficult for the fluid flow.

3. Oil wetting can result from surface active materials used in treating fluid.
a) True
b) False
View Answer

Answer: a
Explanation: The statement is true. Oil wetting can result from surface active materials used in treating fluid. The treating fluid may be drilling fluid or workover fluid or other treating fluids used in oil and gas well.
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4. Which of the following is correct in the context Surfactant used in the oil and gas industry?
a) Increases the surface or interfacial tension
b) Reduces the surface or interfacial tension
c) Increases the surface and reduces the interfacial tension
d) Reduces the surface and increases interfacial tension
View Answer

Answer: d
Explanation: The correct statement is Surfactant used in the oil and gas industry reduces the surface or interfacial tension. The Surfactant should be selected on the basis of laboratory experiments.

5. What is Surface Tension?
a) The tendency of the surface of the fluid to expand into the maximum surface area possible
b) The tendency of the surface of the fluid to shrink into the minimum surface area possible
c) The tendency of fluid surfaces to expand
d) The tendency of fluid surfaces to shrink into the maximum surface area possible
View Answer

Answer: b
Explanation: The correct statement among the above-mentioned statements is that the surface tension is the natural phenomenon of a fluid under consideration due to which the free surface of the fluid tends to attain the minimum surface area as far as possible.

Sanfoundry Global Education & Learning Series – Petroleum Production Operations.

To practice all areas of Petroleum Production Operations, here is complete set of 1000+ Multiple Choice Questions and Answers.

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If you find a mistake in question / option / answer, kindly take a screenshot and email to [email protected]

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Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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