This set of Petroleum Production Operations Multiple Choice Questions & Answers (MCQs) focuses on “Well Completion Design – Unconventional Tubular Configurations”.
1. Multiple tubingless completions are also known as Unconventional Tubular Configurations.
a) True
b) False
View Answer
Explanation: Yes, Multiple tubingless completions are also known as Unconventional Tubular Configurations. It is an outgrowth of PWC (Permanent Well Completion). Unconventional Tubular Configurations reduce the initial cost and future workover cost.
2. Multiple tubingless completions were originally applied to 2 7/8” pipe.
a) True
b) False
View Answer
Explanation: Yes, Multiple tubingless completions were originally applied to 2 7/8” pipe. But nowadays
3 ½” pipes are also used. This concept should not be thought as of a low volume of producing and injection wells.
3. What type of well completion is this, consider the outer cylindrical wall to be just the borehole in which other 3 strings are cemented and perforated?
a) Conventional tubular configuration
b) Unconventional tubular configuration
c) Single tubingless completion
d) Multiple string single packer
View Answer
Explanation: The completion shown on the diagram is of Unconventional tubular configuration, which is also known as multiple tubingless completions. In this type of completion, multiple strings are run down and cemented and they take production using multiple strings without tubing.
4. Which of the following is not an advantage of multiple tubingless completions?
a) Reduced Cost
b) Production rate control
c) Each zone is independent
d) Simplified procedures
View Answer
Explanation: Production rate control is not an advantage of multiple tubingless completions. It is difficult to control the production as from multiple zones the productions are coming. The advantages of multiple tubingless completions are Reduced Cost, zones are independent and procedures are simplified.
5. What does SIBHP mean?
a) System bottom hole pressure
b) Static hole pressure
c) System induced bottom hole pressure
d) Shut in bottom hole pressure
View Answer
Explanation: SIBHP means the Shut-in bottom hole pressure. Sometimes it is abbreviated as SIBP. It is the force per unit of the bottom hole when the BOP or the Christmas tree is closed. It is generated by the combination of the mud hydrostatic pressure and other additional pressures.
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