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Bent sub
a) Глухий перевідник
b) Кривий перехідник
c) Довгий перехідник
d) Немає правильного варіанта

25. Give the correct variant of translation of the following word combination from
petroleum industry
a) Кільцеве ущільнення
b) Ущільнення під тиском
c) Негерметичне ущільнення
d) Герметичне ущільнення

Unit 11
Completing the well

Answer the following questions.

1. What happens when the operator decides to set production casing?
2. Who run and cement a string of casing in the well?
3. Who can elect to set a liner string?
4. What is a liner string?
5. When are the drilling rig and crews finished with their job?
6. Who performs the final operations required to bring the well into production?
7. What is the other name of the hole?
8. What is the aim of perforation?
9. What two formation fluids do you know?
10. What does a perforating specialist do?
11. How are the perforations made?
12. What happens after the well is perforated?
13. What is tubing?
14. How deep can the well be completed with the help of coiled tubing?
15. The main advantage of coiled tubing?
16. What is a packer?
17. What is a Christmas tree?
18. How much acid can an acidizing service company pump down the well's
tubing?
19. What is another treatment that may improve flow?
20. What does the fracturing crew add to the fracturing fluid?

Choose the correct answer.

1. When is the well considered dry?
a) when it has no oil and gas in it
b) when oil and gas are in small amounts in the well
c) when oil and gas are in commercial quantities in the well

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