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IV. Render the text about gasoline in the oral form. Contents

Unit 1. Petroleum

A. Petroleum

B. Formation of petroleum. (Biogenic theory and Abiogenic theory)

C. From the history of the oil industry

Unit 2. Natural gas

A. Chemical composition of natural gas

B. Storage and transportation of natural gas

C. The use of natural gas

D. Sources of natural gas

E. Possible future sources

F. Safety

Unit 3. Oil well

A. The history of an oil well

B. Life of a well

1) Drilling

2) Completion

3) Production

4) Abandonment

C. Types of oil wells

Unit 4. Oil exploration

A. Searching for Oil and Gas

B. Oil extraction

C. Working conditions in the oil industry

D. Occupations in the oil industry

Unit 5. How oil drilling works

A. Preparing to drill

B. Setting up the rig

C. Drilling

D. Drilling rig classification

Unit 6. Offshore drilling

A. The drilling template

B. Moveable offshore drilling rigs

1) Drilling barges

2) Jack-up rigs

3) Submersible rigs

4) Semisubmersible rigs

5) Drillships

C. Permanent platforms

1) Fixed platforms

2) Compliant towers

3) Seastar platforms

4) Floating production systems

5) Tension leg platforms

6) Subsea system

7) Spar platforms

Unit 7. How oil refining works

A. From the history of oil refinery

B. The refining process

C. Treating and blending the fractions

D. Safety and environmental concerns

Unit 8. What is gasoline?

A. What is gasoline?

B. Chemical analysis and production of gasoline

C. Octane rating

D. Volatility

E. Gasoline Additives

1) Lead

2) MMT

3) Oxygenate blending

F. Health concerns

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