Energy and Utilities Oil and Petroleum Systems

Question 1

What process is used at oil refineries to separate crude oil into different products based on their boiling points?

Accepted Answer

Fractional distillation

Answer

Reverse osmosis

Answer

Crystallization

Answer

Membrane filtration

Question 2

What does API gravity measure in crude oil?

Accepted Answer

The density of crude oil compared to water

Answer

The sulfur content relative to a standard

Answer

The viscosity at 60°F

Answer

The percentage of recoverable hydrocarbons

Question 3

In the oil and gas industry, what does the term 'upstream' refer to?

Accepted Answer

Exploration and production of crude oil and natural gas

Answer

Refining and processing of petroleum products

Answer

Retail distribution and sale of fuels

Answer

Pipeline transportation between terminals

Question 4

What is a blowout preventer (BOP) primarily used for during oil drilling operations?

Accepted Answer

To control well pressure and prevent uncontrolled releases of oil or gas

Answer

To separate gas from produced oil at the surface

Answer

To regulate flow rates in transmission pipelines

Answer

To monitor corrosion inside the drill string

Question 5

What is crude oil referred to as 'sweet crude'?

Accepted Answer

Crude oil with low sulfur content (generally below 0.5%)

Answer

Crude oil with high API gravity above 45

Answer

Crude oil extracted from shallow reservoirs

Answer

Crude oil that has been partially refined

Question 6

What does 'downstream' refer to in the oil and gas industry?

Accepted Answer

Refining, distribution, and retail sale of petroleum products

Answer

Exploration, drilling, and reservoir management

Answer

Offshore platform operations in deep water

Answer

Midstream pipeline transport and storage

Question 7

What is hydraulic fracturing (fracking) primarily used for in oil and gas production?

Accepted Answer

To inject fluid under high pressure to crack rock and release trapped oil or gas

Answer

To clean scale deposits from the inside of production tubing

Answer

To separate oil, water, and gas at the wellhead

Answer

To pressurize natural gas for long-distance pipeline transmission