PETROBOWL QUESTIONS 101-157 | 2025/2026
UPDATE | QUESTIONS AND ANSWERS | WITH
COMPLETE SOLUTION
101) Name one type of extinguisher that is used for Class C fires? Answer -
Answer: DCP, FM-200, Halon, CO2
102) What is the minimum horizontal displacement at total depth to True
Vertical depth ratio to consider a well as extended reach? Answer - Answer:
2:1
103) Which north reference does a gyroscope use? Answer - Answer: True
North
104) What does WOC stand for in the drilling/completions context? Answer -
Answer: Wait on Cement
105) What is the acronym PLT stand for? Answer - Answer: Production Logging
Tool
106) What term refers to a total gas (solution + free) production divided by the
oil production volume, excluding gas lift gas? Answer - Answer: Gas-oil ratio
107) What is the amount of energy required to fracture a given volume of
material? Answer - Answer: Impact strength/toughness
, 108) What is a specially formulated material, such as chrome, used for
completion components in wells likely to present corrosion problems? Answer
- Answer: Corrosion-Resistant Alloy (CRA)
109) According to the US Environmental Protection Agency, offshore
production was responsible for the release of 6.2 million metric tons of
combustion gases in 2013. Name two major sources that contribute to the CO2
emissions from the O&G industry? Answer - Answer: Turbines and fires
heaters, Gas flaring; Well testing; etc.
110) In a gas reservoir, what is the phenomenon of the formation of liquid HCs
as the pressure in the reservoir decreases below dewpoint pressure during
production called? Answer - Answer: Retrograde condensation
111) In PVT analysis, what does SARA stand for? Answer - Answer: Saturates,
Aromatics, Resins, Asphaltenes
112) Name at least one of the two drilling mechanisms for a roller cone bit.
Answer - Answer: Crushing - Skidding and gouging
113) In the context of production, what does AOF stand for? Answer - Answer:
Absolute Open Flow
114) What kind of log can estimate the quality of the cement bond between
the casing and the formation? Answer - Answer: Cement bond log (CBM)
115) The pressure-composition diagram determination in black oil reservoirs is
also usually called as what? Answer - Answer: Swelling experiment
UPDATE | QUESTIONS AND ANSWERS | WITH
COMPLETE SOLUTION
101) Name one type of extinguisher that is used for Class C fires? Answer -
Answer: DCP, FM-200, Halon, CO2
102) What is the minimum horizontal displacement at total depth to True
Vertical depth ratio to consider a well as extended reach? Answer - Answer:
2:1
103) Which north reference does a gyroscope use? Answer - Answer: True
North
104) What does WOC stand for in the drilling/completions context? Answer -
Answer: Wait on Cement
105) What is the acronym PLT stand for? Answer - Answer: Production Logging
Tool
106) What term refers to a total gas (solution + free) production divided by the
oil production volume, excluding gas lift gas? Answer - Answer: Gas-oil ratio
107) What is the amount of energy required to fracture a given volume of
material? Answer - Answer: Impact strength/toughness
, 108) What is a specially formulated material, such as chrome, used for
completion components in wells likely to present corrosion problems? Answer
- Answer: Corrosion-Resistant Alloy (CRA)
109) According to the US Environmental Protection Agency, offshore
production was responsible for the release of 6.2 million metric tons of
combustion gases in 2013. Name two major sources that contribute to the CO2
emissions from the O&G industry? Answer - Answer: Turbines and fires
heaters, Gas flaring; Well testing; etc.
110) In a gas reservoir, what is the phenomenon of the formation of liquid HCs
as the pressure in the reservoir decreases below dewpoint pressure during
production called? Answer - Answer: Retrograde condensation
111) In PVT analysis, what does SARA stand for? Answer - Answer: Saturates,
Aromatics, Resins, Asphaltenes
112) Name at least one of the two drilling mechanisms for a roller cone bit.
Answer - Answer: Crushing - Skidding and gouging
113) In the context of production, what does AOF stand for? Answer - Answer:
Absolute Open Flow
114) What kind of log can estimate the quality of the cement bond between
the casing and the formation? Answer - Answer: Cement bond log (CBM)
115) The pressure-composition diagram determination in black oil reservoirs is
also usually called as what? Answer - Answer: Swelling experiment
