This set of Petroleum Production Operations Multiple Choice Questions & Answers (MCQs) focuses on “Hydraulic Fracturing – Propping the Fracture”.
1. Which of the following is correct for proppants?
a) Used in hydraulic fracturing
b) Used to close the fracture
c) Used in oil wells only
d) Used in gas wells only
View Answer
Explanation: The proppants are the solid materials used in hydraulic fracturing jobs to remain the fractures open. The objective of hydraulic fracturing is to increase the well productivity. In horizontal wells, the vertical fractures are created and proppants are placed there to remain the frac opened.
2. Which of the following is correct regarding the CRCS?
a) Curable Resin Coated Silicon
b) Cured Resin Coated Silicon
c) Cured Resin Coated Sand
d) Curable Resin Coated Sand
View Answer
Explanation: The full form of CRCS is Curable Resin Coated Sand. It is a type of proppant used in hydraulic fracturing job used in the oil and gas industry. Sands are coated with resin to form Curable Resin Coated Sand.
3. Which of the following is correct regarding the PRCS?
a) Pre- Curable Resin Coated Silicon
b) Pre-Cured Resin Coated Silicon
c) Pre-Cured Resin Coated Sand
d) Pre-Curable Resin Coated Sand
View Answer
Explanation: The full form of PCRCS is Pre-Cured Resin Coated Sand. It is a type of proppant used in hydraulic fracturing jobs used in the oil and gas industry. Sands are coated with resin to form Pre-Cured Resin Coated Sand.
4. In which of the following drilling fracking works mainly?
a) Vertical drilling
b) Horizontal drilling
c) Surface mining
d) Strip mining
View Answer
Explanation: Drilling fracking works mainly in horizontal drilling. In horizontal wells, the vertical fractures are created and proppants are placed there to remain the fracture opened. It increases the well productivity.
5. Proppant mesh size affects fracture length.
a) True
b) False
View Answer
Explanation: The statement is true. Proppant mesh size affects fracture length. Proppants have larger permeability than the small mesh proppants when it has low closure stresses. Proppants are used to hold the fractures open in hydraulic fracturing.
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