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expenditures shelter
topographer container
6 Find antonyms in the text for the following words.
shallow permanently
unviable frequent
incomes to fire
low-price to rig up
7 Say whether the following statements are true or false.
1 Costs depend on such factors as the size of the reservoir, its
productivity, and its reliability.
2 The company carefully reviews and analyzes seismic records.
3 3. On land, operating personnel usually try to choose a spot
directly under the reservoir.
4 A reserve pit is an open pit that is bulldozed from the land next to
the rig.
5 In the early days of drilling, the reserve pit was mainly a place to
store a reserve supply of extracted oil.
6 Sizes vary, but a typical cellar is about to three feet on a side and
perhaps to feet deep.
7 Rigs with kellys require a rathole – a deep hole drilled off to the
side of the mousehole.
8 The mousehole is a lined hole into which the crew puts a lengths,
or joint, of drill pipe during drilling operations.
9 The crew often secures the conductor pipe in the hole with the
drilling mud.
10 Built-in engines and screws (propellers) move the rig through the
water.
8 Fill in the gaps.
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