250+ TOP MCQs on Scale Prevention and Answers

Petroleum Production Operations Multiple Choice Questions on “Scale Prevention”.

1. A ____ completion is used where the producing formation lacks sufficient consolidation to withstand the friction caused by fluid flow from the formation to the wellbore.
a) Barefoot
b) Dual
c) Barefoot
d) Gravel pack
Answer: d
Clarification: A Gravel pack completion is used where the producing formation lacks sufficient consolidation to withstand the friction caused by fluid flow from the formation to the wellbore. The main purpose of the Mechanical Method is to hold the formation of sand in place so basically gravel packs and screens to hold the gravels or simply screens are used for this purpose.

2. Scale inhibitors can’t prevent scaling in oil and gas wells.
a) True
b) False
Answer: b
Clarification: The statement is false. The corrected statement is that Scale inhibitors can prevent the scaling process of an oil and gas well. Scale inhibitors are mainly chemicals that are pushed down the well.

3. Bullheading is a constant bottom hole pressure method.
a) True
b) False
Answer: a
Clarification: The statement is true. Bullheading is a constant bottom hole pressure method. Bullheading is one of the well control methods that are utilized in some events of the oil and gas industry to control the well.

4. Which of the following is correct regarding Hydrotreated Light Petroleum Distillate?
a) Carrier fluid for polyacrylamide friction reducer
b) Adjusts the pH of the fluid
c) Carrier fluid for guar gum in liquid gels
d) Product Stabilizer
Answer: a
Clarification: Hydrotreated Light Petroleum Distillate is a complex mixture of hydrocarbons that is obtained by treating a petroleum fraction with hydrogen in the existence of a catalyst. It is a Carrier fluid for polyacrylamide friction reducer.

5. Which of the following is correct regarding Borate Salts used in the oil and gas industry?
a) Carrier fluid for polyacrylamide friction reducer
b) Maintains fluid viscosity as temperature increases
c) Carrier fluid for guar gum in liquid gels
d) Product Stabilizer
Answer: b
Clarification: Borate Salts maintain fluid viscosity as temperature increases. These are used in cleaning products as a disinfectant. Borate salts are also used as additives of drilling mud or drilling fluid in the oil and gas industry.