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rocks that includes a source
rock that is or has generated
oil and gas and all the seeps
and accumulations of that oil
and gas.
2 A play b is the area along which the
play has been proven and
more fields could be found
3 A petroleum c is the exact location where
system the geological and economic
conditions are favorable for
drilling an exploratory well.
3 Vitrinite d is a combination of trap,
reservoir rock, and seal that
has been shown by
previously discovered fields
to contain commercial
petroleum deposits in an
area.

5 A trend or e is a type of plant organic
fairway matter often found in black
shale.

Task 5. Find English equivalents for the following (see the text). Try to build up
your own sentences with them.
Сліди вуглеводнів в ґрунті і воді; на розвідувальній ділянці (території);
досліджувати в лабораторії; мати очевидні просочування на поверхні; виявити візуально;
мета буріння; траплятись у взірці; визначати зрілість нафтоматеринської породи;
недосліджена нафтогазова провінція; шлях міграції для нафти; поєднання; промислові
родовища нафти; розрахунки ризику; покришка на породі-колекторі; основні елементи.

Task 6. Provide a short summary of the text from Task 2.

GRAMMAR FOCUS
The Conditional Mood

Task 1. Translate the sentences into Ukrainian. Say whether the act is treated as a
real one or unreal.
1. If you increased the cross-section of the conductor you would reduce its resistance.
2. It is a pity the computer was not introduced two months earlier. The costs would have
been considerably less.
3. He demanded that his machine should be carefully examined.
4. If the pressure were doubled the current would be also doubled.
5. If you had attained the proper quality of annealing the steel would have been better.
6. It is necessary that he should give his considerations on this subject.
7. It is a pity the filament is not made of tungsten. Its service life would be doubled.
8. I wish his project were appreciated by everybody.

Task 2. Translate the sentences into Ukrainian. Put the verb into the correct tense.
Say whether the act is treated as a real one or unreal.
1. If the core (to be) solid it would form a closed path of very low reluctance.