This set of Petroleum Production Operations Multiple Choice Questions & Answers (MCQs) focuses on “Planning a Squeeze Cement Job”.
1. When using coil tubing, what is the name of the unit used to push/pull?
a) Injector
b) Mud pump
c) Charge pump
d) Top drive
View Answer
Explanation: Injector is used to push/pull while using the coil tubing. Coiled tubing refers to a very long metal pipe that is continuous in nature without any joint which is supplied from the spooled reel. Coil tubing injector is the equipment used for the gripping purpose and provides the forces needed for deployment of the tube into and out of the wellbore.
2. In the petroleum industry, Coiled Tubing is faster or slower than a workover rig?
a) Slower
b) Same
c) Faster
d) Can’t say
View Answer
Explanation: In the petroleum industry, Coiled Tubing is faster than a workover rig. Coiled tubing refers to a very long metal pipe that is continuous in nature without any joint. So, very little time is required for the operations.
3. When are the drillable packers used?
a) Resetting permits flexibility and to find casing leak
b) Low-pressure application
c) High-pressure application
d) To abandon the lower perforation to abandon the lower perforation
View Answer
Explanation: Drillable packers used to abandon the lower perforation. In some of the cases, drillable packers are used to isolate the lower perforations when the upper zone is to be cemented.
4. How far is the cement brought up the annulus?
a) To the surface
b) Min 200-500 ft above the shoe
c) Quarter Way up the wellbore
d) Min 1200-1500 ft above the shoe
View Answer
Explanation: Cement brought up the annulus with a measurement minimum of 200-500 ft above the shoe. Otherwise, the cost will be higher because of unnecessary cement. The upper part generally has the strength to withstand itself.
5. Squeeze cementing is a dehydration process.
a) True
b) False
View Answer
Explanation: The statement is true. 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. The zone is isolated from the place in which the squeeze cementing needs to be done by using packers.
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