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18. Reeling cable was a … operation
a) dangerous
b) slow
c) fast
d) no correct variant

19. Colonel Drake and Uncle Billy used a steam-powered cable-tool rig to drill the
…
a) Oil Tutol site
b) Oil Creek site
c) Oil Parol site
d) no correct variant

20.Find the meaning of the term “casing”:
a) a metal pipe or tube used as a lining for a water, oil, or gas well
b) a lever that oscillates on a pivot and transmits power in a manner producing a
reciprocating or reversible motion; used in rock drilling and oil well pumping
c) the machine used to drill a wellbore
d) no correct variant

21. Find the meaning of the term “drilling fluid (mud)”:
a) a metal pipe or tube used as a lining for a water, oil, or gas well.
b) the machine used to drill a wellbore
c) any of a number of liquid and gaseous fluids and mixtures of fluids and solids
used in operations to drill boreholes into the earth.
d) no correct variant

22. Find the meaning of the term “sinker bar”:
a) a metal pipe or tube used as a lining for a water, oil, or gas well.
b) also known as stem, the weight bar used in slick line operations to overcome the
effects of wellhead pressure and friction at the surface seal where the wire enters
the wellbore.
c) the machine used to drill a wellbore.
d) no correct variant

23. Find the meaning of the term “bit”:
a) a lever that oscillates on a pivot and transmits power in a manner producing a
reciprocating or reversible motion; used in rock drilling and oil well pumping
b) the machine used to drill a wellbore.
c) the tool used to crush or cut rock. Everything on a drilling rig directly or
indirectly assists the bit in crushing or cutting the rock
d) no correct variant

24.Find the meaning of the term “walking beam”:
a) a lever that oscillates on a pivot and transmits power in a manner producing a

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