Petroleum Production Operations Questions and Answers – Squeeze Cementing – Practical Considerations

This set of Petroleum Production Operations Multiple Choice Questions & Answers (MCQs) focuses on “Squeeze Cementing – Practical Considerations”.

1. What is Squeeze cementing?
a) It is the process of injecting or squeezing drilling mud into a problematic void space at a desired location in the well
b) It is the process of removing the cement from a problematic void space at a desired location in the well
c) It is the process of injecting or squeezing formation fluid into a problematic void space at a desired location in the well
d) It is the process of injecting or squeezing cement into a problematic void space at a desired location in the well
View Answer

Answer: d
Explanation: Squeeze cementing is highly used in the oil and gas industry. In the squeeze cementing process, cement is squeezed inside the particular zone at which some types of problems exist. This job can be done at any time.

2. Why Squeeze cementing is used?
a) Seal thief or lost-circulation zones
b) To start the production
c) To increase the mud density
d) To increase the drilling fluid density
View Answer

Answer: a
Explanation: Squeeze cementing is highly used in the oil and gas industry. In the squeeze cementing process, cement is squeezed inside the particular zone at which some types of problems exist. This job can be done at any time. If any type of lost circulation is suspected then squeeze cementing may play an excellent role.

3. What is not an advantage of using coil tubing?
a) Smaller crew
b) Better kick detection
c) Can circulate large volumes of drilling fluid
d) No drill string connection
View Answer

Answer: c
Explanation: Coiled tubing refers to a very long metal pipe that is continuous in nature without any joint, normally 1 to 3.25 in diameter which is supplied spooled on a large reel. It requires a smaller crew, it helps in better kick detection but it can’t circulate large volumes of drilling fluid.
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4. What is the actual intention of pumping CO2 into the reservoir in the oil and gas industry?
a) To increase pressure to increase production
b) To decrease the production
c) To kill the reservoir
d) To expand the reservoir
View Answer

Answer: a
Explanation: The actual intention of pumping CO2 into the reservoir in the oil and gas industry is to increase pressure to increase production. Most gas-injection EOR projects in operation today use CO2 as the injected gas. It is an enhanced oil recovery (EOR) method in which carbon dioxide (CO2) is injected into a reservoir to increase production by reducing oil viscosity and providing a miscible or partially miscible displacement of the oil in oil and gas upstream industry.

5. How can we ensure efficient placement of a cement sheath around the casing string?
a) By using Reamer
b) By using centralizer
c) By using casing shoe
d) By using agitator
View Answer

Answer: b
Explanation: We can ensure efficient placement of a cement sheath around the casing string by using centralizers. Centralizers are extensively used now-a-days in the petroleum industry. It ensures the concentric position of the tubing.
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Sanfoundry Global Education & Learning Series – Petroleum Production Operations.

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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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