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a) yes
b) no
с) no correct variant

19.What does the term “borehole” mean?
a) a mixture of clays, water, and chemicals pumped down the drill string while an
oil well is being drilled
b) a deep, narrow hole made in the ground, esp. to locate water or oil
c) pieces cut off from something, especially what remains when something is being
trimmed or prepared
d) no correct variant

20.Give the Ukrainian equivalent for the term “bottom-supported drilling rig”:
a) морська бурова основа
b) запасний амбар
c) вічна мерзлота
d) no correct variant

21.Give the English equivalent for the term “вічна мерзлота”:
a) permafrost
b) seismic record
c) rathole
d) no correct variant

22. Explain the meaning of the term “buoy”:
a) an anchored float serving as a navigation mark, to show reefs or other hazards
b) a mixture of clays, water, and chemicals pumped down the drill string while an
oil well is being drilled
c) water held underground in the soil or in pores
d) no correct variant

23. Explain the meaning of the term “ground water”:
a) water held underground in the soil or in pores
b) a shallow hole drilled near a well to accommodate the drill string joint when not
in use
c) a device for controlling the passage of fluid through a pipe or duct
d) no correct variant

24. Explain the meaning of the term “drilling mud”:
a) water held underground in the soil or in pores
b) pieces cut off from something, especially what remains when something is being
trimmed or prepared
c) a mixture of clays, water, and chemicals pumped down the drill string while an
oil well is being drilled
d) no correct variant

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