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a) an ocean contractor
b) a land contractor
c) a site-preparation contractor
d) no correct variant

5. Some rigs use a special pipe called the …
a) “nicky”
b) “stacey”
c) “kelly"
d) no correct variant

6. On land, the operator sometimes hires a special truck-mounted, light-duty unit
called a … to drill the rathole
a) “rathole device”
b) “rathole chisel”
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

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