Page 7 - 4924

Unit 1
Introduction to oilwell drilling

Answer the following questions.

1. What is the purpose of a drilling rig?
2. How deep is usually the hole a rig drills?
3. What type of rig is it better to visit for the first time? Why?
4. Why do masts and derricks have to be strong?
5. Why are rig masts and derricks tall?
6. What are the other names for the rig boss?
7. What does everybody have to wear while visiting a drilling rig or working on
it?
8. What is a rig floor?
9. What is a drawworks?
10. What does the loud screech coming from friction brake mean?

Choose the correct answer.

1. Most drilling rigs are large and …
a) noisy
b) cheap
c) quiet
d) no correct variant

2. What is the main purpose of a drilling rig?
a) to be productive
b) to drill a hole in the ground
c) to produce more than 100 barrels of oil
d) no correct variant

3. What is the diameter of the hole that rig drills?
a) usually 10 centimeters
b) usually 20 centimeters
c) usually 30 centimeters
d) no correct variant

4. What is the hole’s purpose?
a) to produce oil
b) to tap an oil and gas reservoir
c) to discover new reservoirs
d) no correct variant

5. What rig is the best for a first visit?
a) land rig
b) offshore rig

5