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7. Match the parts of the sentences:

To create a 'movie' of what is going on under the ground

that it is now possible to incorporate the data obtained from different types of tests

Although this technology is very useful

an extremely important tool in the search natural gas

3-D allows the geophysicist and geologist

is one of the greatest innovations in the history of petroleum exploration

3-D seismic imaging has become

data to be collected from several thousand locations

The use of computers to assemble geologic data into a 'map' of the underground

allows the geophysicist and geologist to see a clear picture of the composition of the Earth's crust in a particular area

The generation of 3-D images requires

it is also very costly

It is now possible to incorporate the data obtained from different types of tests

the fourth dimension in 4-D imagining

Time is

different images are amalgamated

Computer technology has advanced so far

to create a 'visualization' of the underground formation

8. True or False? Agree or disagree with the following statements.

a. Logging doesn’t have any meaning during the drilling process.

b. Seismology refers how energy, in the form of seismic waves, moves through the Earth's crust and interacts differently with various types of underground formations.

c. Three-D imaging utilizes seismic field data to generate a three dimensional 'picture' of underground formations and geologic features.

d. Drilling an exploratory well is the cheapest way to study formation.

e. Magnetometers were always able to survey a large area.

f. Trucks and geophones are used to survey a seabed.

g. In the early days of the industry, the only way of locating underground petroleum and natural gas deposits was to search for surface evidence of these underground formations.

h. Monitoring logs don’t show that the correct drilling equipment is used.

i. Computer allows processing of very large amounts of data, increasing the reliability and informational content of the seismic model.

j. There are two main types of computer-assisted exploration models.

9. Make a short report about the text.

UNIT 3

WORLD OIL AND GAS RESERVES

1. Study the terms:

Figure, n – data, numbers.

Pool, v - to form a pool, the only whole volume.

Recoverable, adj – smth that is able to be brought back to normal position, condition or quantity.

Infeasible, adj – impracticable.

Unconventional oil, n – a type of petroleum that is produced or obtained through techniques other than traditional oil well extraction.

Shale, n – a fissile rock that is formed by the consolidation of clay, mud, or silt, has a finely stratified or laminated structure, and is composed of minerals essentially unaltered since deposition.

Tar, n – a dark brown or black bituminous usually odorous viscous liquid obtained by destructive distillation of organic material (as wood, coal, or peat).

In situ, adv – in the natural or original position or place.

Prohibitevely, adv – almost certainly performed as predicted.

Gush out, v – to emit a sudden copious flow.

Rank, v – to arrange in lines or in a regular formation.

Confound, v – to throw (a person) into confusion or perplexity.

Output, n – something produced.

Abundance, n – an ample quantity, wealth.