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c) “rathole rig”
d) no correct variant

7. What is a lined hole into which the crew puts a length, or joint, of drill pipe during drilling
operations called?
a) the cathole
b) the mousehole
c) the doghole
d) no correct variant

8. Conductor pipe, or casing, keeps the hole from …
a) destroying
b) gushing
c) caving in
d) no correct variant

9. What is the device that removes the water from the compartments and the ship floats back to
the water’s surface with the rig in place on the deck called?
a) line
b) pump
c) bit
d) no correct variant

10. What is the process of putting the rig components together and preparing the rig for drilling
called?
a) drilling
b) caving
c) to riggingup
d) no correct variant

11. If the ground is too hard for the conductor pipe to be driven, crew members can use the … to
drill the conductor hole
a) regular rig
b) additional rig
c) extra rig
d) no correct variant

12. A kelly can be up to 54 feet, or …, long
a) 13 metres
b) 17 metres
c) 19 metres
d) no correct variant

13. A drill site is anywhere … exist or may exist.
a) carbon and methane
b) oil and gas
c) carbon and oxygen
d) no correct variant

14. What is a shallow hole drilled off to the side of the main borehole called?
a) a bit
b) a rathole

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