In this blog you will find the correct answer of the Coursera quiz Oil & Gas Industry Operations and Markets Coursera Answer mixsaver always try to brings best blogs and best coupon codes
Oil and Gas Exploration
1. What is the primary source of oil and gas?
- Eroded sediments
- Marine plankton
- Dinosaur remains
- Ancient swamps
2. What component of a hydrocarbon system must exist in order for there to be oil and/or gas?
- A trap
- A reservoir
- A source rock
- A migration pathway
3. Prior to the shale gas and shale oil revolution, shale was considered to be a poor reservoir rock because of its low ________________.
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4. What technology is used to image rock layering in the subsurface over regions extending many miles/kilometers?
- Seismic data
- Gravity data
- Well log data
- Magnetic data
5. A lease must first be obtained from the land company agent before drilling for oil and gas.
6. What isolates the interior of an oil/gas well from the surrounding rock and fluids?
- Drilling mud
- Drill cuttings
- Cemented casing
- The blowout preventer
7. The oil window is primarily defined by a range in which of the following?
- Liquid content
- Organic matter in rock
8. In which of the following geologic settings do oil and gas deposits first form?
- Large rivers
- Shallow seas
- Mountain ranges
9. Which of the following technological innovations has reduced the number of drilling rigs needed to find and extract oil and gas?
- Diamond tip drill bits
- High-speed drill rigs
- Horizontal drilling
1. In the oil and gas industry, what is a specific subsurface site where oil and gas might be found called?
- A prospect
- A structure
- A play
- A migration pathway
2. Production rates from an oil/gas well initially decline because of a loss of what?
- Reservoir pressure
3. What two substances are used to extract oil during the secondary recovery phase?
- Natural gas and water
- Carbon dioxide and water
- Soap and water
4. What is increasingly being used as an injection gas in tertiary oil recovery?
- Natural gas
- Carbon dioxide
5. After tertiary recovery methods have been applied to an oil field, how much oil is typically still left in the reservoir?
6. In tertiary recovery, the remaining oil is freed from its adhesion to sediment grains by…
- Fluid flow
- Reducing its viscosity
- Increased pumping
7. Drilling of what type of additional wells turn an economic well into an oil field?
8. What does the history of production rates for a large region or even country generally look like over a long time?
- Exponential decline
- Bell-shaped curve
- Box-shaped curve
- Linear rise
Processing and Refining
1. Wet gas is rich in what?
- Natural gas liquids
2. What is a very common contaminant that must be removed from both natural gas and oil?
- Carbon dioxide
- Particulate matter
3. Methane gas is almost pure after it has been processed.
4. What is the core process in refining crude oil into petroleum products?
5. Among other products, naphtha is used to produce diesel.
6. The lower the viscosity of the crude in a barrel of oil, the more of what can be produced from it?
7. In the U.S., roughly what fraction of a barrel of crude oil is refined into gasoline?
8. The cracking unit in a refinery will increase the production of diesel.
1. An oil distribution pipeline carries refined fuels.
2. Where is oil in the U.S. Strategic Petroleum Reserve stored?
- In large tanks surrounding refineries
- In oil fields that have not yet been pumped
- Underground in hollowed-out salt domes
- In saline aquifers
3. Compared to other hydrocarbons, the energy content of natural gas is low per unit
4. Natural gas is transferred from transmission pipelines to distribution pipelines at the…
- City gate
- Entrance to buildings
- Natural gas processing plant
5. A sour smelling odorant is added to natural gas before it is put into distribution gas lines to reduce gas use.
6. “Stranded” natural gas is gas that…
- Is associated with oil
- Cannot be moved to market
7. What is a LNG “train”?
- A chain of natural gas pipelines
- A train that carries compressed gas
- An LNG tanker
- A plant that liquifies natural gas
8. Before it can be used, imported LNG must first be…
- Cleaned of sulphur