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Prospecting and exploration. Petroleum refining. Drilling and completing wells, страница 5

II. 1 – d

2 – f

3 – a

4 – b

5 – c

6 – e

III. 1 – b

2 – e

3 – f

4 – a

5 – d

6 – c

IV. 1 – b

2 – a

3 – c

4 – e

5 – f

6 – d

V. 1 – a

2 – c

3 – b

4 – f

….5 – e

….6 – d

УРОК 6 (ПС) 4 семестр

I. Vocabulary list

reservoir – резервуар

fluid – жидкость, газ

decline – снижение

defer – уступать

inject – вспрыскивать, вводить

huge – огромный

consumption – потребление

reservoir – резервуар, хранилище, запас

II. Find Russian equivalents to English words

1. reservoir

2. gaseous

3. remove

4. natural

5. consumption

6. production

a) газообразный

b) природный

c) резервуар

d) потребление

e) производство

f) удалять

III. Match the parts of the word combination

1. natural

2. appreciable

3. liquefied

4. gas

5. reservoir

6. fuge

a) quantities

b) petroleum gases

c) gas

d) pressure

e) cycling

f) consumption

GAS CYCLING

Natural gas reservoirs often contain appreciable quantities of liquid hydrocarbons held in the gaseous state. Since these liquids are liquefied petroleum gases such as propane and butane, they are important sources of both fuel and chemical feedstocks. If the pressure in such a reservoir is allowed to decline during gas production, these liquids will condense in the reservoir and become nonrecoverable. To prevent this decline in pressure, a quantity of the produced gas from which the liquids have been removed is put back into the reservoir. This process, called gas cycling, is continued until the optimum quantity of liquids has been removed. The reservoir pressure is then allowed to decline during the production of the nearly dry gas. In effect, this process defers the use of the reinjected natural gas until after the liquids have been produced.

Overall, the production of oil and gas has become an exacting engineering job. Although new oil fields are being discovered, the huge consumption of petroleum requires that fields already in production be used more efficiently.

IV. Mater the questions to the answers

1. What do natural gas reservoirs contain?

2. What stat are liquid hydrocarbons held in?

3. Are liquefied petroleum gases important sources of both fuel and chemical feedstock’s?

4. When will these liquids condense in the reservoir?

5. What should be done to prevent the decline in pressure?

6. Has the production of oil and gas become an exacting engineering job?

a) Yes, it has.

b) Liquid hydrocarbons.

c) Yes, they are.

d) When the pressure in the reservoir is allowed to decline during gas production.

e) A quantity of the produced gas is put back into the reservoir.

f) In the gaseous state.

V. Find the proper translation of every sentence

1. Natural gas reservoirs contain liquid hydrocarbons held in the gaseous state.

2. They are important sources of chemical feedstock.

3. To prevent this decline in pressure, a quantity of the produced gas is put back into the reservoir.

4. The reservoir pressure is then allowed to decline during the production of the nearly dry gas.

5. The production of oil and gas has become an exacting engineering job.

6. The huge consumption of petroleum requires that fields already in production be used more efficiently.

a) Чтобы предотвратить это отклонение в давлении, производимый газ подаётся в резервуар.

b) Резервуары природного газа содержат сниженные углеводороды, находящиеся в газообразном состоянии.

c) Огромное потребление нефти требует, чтобы месторождения уже при разработке использовались более эффективно.

d) Они являются важными источниками химического сырья.

e) Производство нефти и газа стало определённым видом инженерной работы.

f) Затем давление в резервуаре может отклонять во время производства почти сухого газа.

Ключи:

II. 1 – c

2 – a

3 – f

4 – b

5 – d

6 – e

III. 1 – c

2 – a

3 – b

4 – e

5 – d

6 – f

IV. 1 – b

2 – f

3 – c

4 – d

5 – e

6 – a

V. 1 – a

2 – d

3 – a

4 – f

….5 – e

….6 – c
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