5. Complete the following sentences
1. Crude oil is a mixture …………………………………………………..
2. Different parts of the mixture can be used only after ………………
3. Different depths in one and the same oilfield contain………………
4. Hydrocarbons are difficult to pump from the ground because of ……
5.Hydrocarbon structure depends on ……………………………………
6. Two main chemical families of hydrocarbons …………………………
7. Hydrocarbon molecules are chemical feedstock for ………………..
8. Thick black tarry residue left after distillation is ……………………..
9. Bitumen is used in ………………………………………………………
10. The smaller the hydrocarbon molecules, the better the ………….
Draw a diagram of oil formation. Label it. Describe the process using your diagram.
Remains of tiny plants and animals ……………………..
7. Work in pairs.
Student A -a lecturer and Student B - a petroleum geology student. Student A - write 6-8 questions on the text “Forming Oil”. Student B- be ready to answer.Use as many expressions under study as possible.
Use the expressions of agreement and disagreement
Agreement |
Disagreement |
I (fully) agree. |
I’m against it (object to). |
I am of the same opinion. |
You are wrong (mistaken). |
In a way, yes. |
There’s something in what you say, but… |
I suppose (expect \ believe) so. |
On the contrary. |
I won’t deny. |
I disagree with you (on that point) |
8. Read the following text “How Oil Becomes Oil” and fulfill the exercises
Terms and Vocabulary
depression restricted basin |
впадина ограниченный бассейн |
decompose – decomposition |
разлагаться – разложение |
expansion |
распространение (на большую площадь) |
recover oil |
добывать нефть |
adjacent (to) |
смежный, прилегающий |
карман |
|
apex |
вершина |
fold |
складка |
migrate (v) |
мигрировать, перемещаться |
lens |
чечевицеобразная залежь, линза |
pinch out (v) |
выклинивание |
unconformity |
несогласное напластование |
truncated, adj |
срезанный, эродированный |
fracture |
разлом, трещина |
preserve (v) |
сохранять |
interweave (v) compaction mudstone thrust fault cook smth out of smth (v)
kerogen abundance preserve (v)
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перемешивать, вкраплять уплотнение аргиллит сброс подвергаться тепловой обработке кероген распространённость сохранять
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