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d) no correct variant

24. Find the meaning of the term “whale oil”:
a) a yellowish oil obtained from whale blubber, formerly used in making soap and candles and as
a lubricating oil and a fuel for lamps
b) a structure in which rock layers slope away in all directions from a central point
c) a flammable hydrocarbon oil used as fuel in lamps and heaters
d) no correct variant

25.Give the Ukrainian equivalent for the term “cable-tool rig”:
a) установка для роторного буріння
b) бурова площадка, платформа
c) верстат ударно-канатного буріння
d) no correct variant

26.Give the Ukrainian equivalent for the term “to seep”:
a) проріджуватися
b) просочуватися
c) появлятися
d) no correct variant

27.Give the English equivalent for the term “глиниста кірка на стінках свердловини”:
a) wall cake
b) wall sweet
c) wall dish
d) no correct variant

28.Give the English equivalent for the term “встановлювати обсадну колону”:
a) to produce
b) to stir up
c) to run casing
d) no correct variant

29.Give the English equivalent for the term “верхній шар ґрунту”:
a) first soil
b) main soil
c) top soil
d) no correct variant

30. Give the Ukrainian equivalent for the term “spudded”:
a) забурена свердловина
b) обвалена свердловина
с) не робоча свердловина
d) no correct variant

Unit 3

Cable-tool and rotary drilling
Answer the following questions.
1. What are the two drilling techniques?
2. Why did the ancient Egyptians drill holes using hand-powered rotating bits?
3. What did Colonel Drake and Uncle Billy use to drill the Oil Creek site?

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