Well Completion (1) Model Answer.docx

COMPLETION -1 1.

What is the function of DHSV? No. required Answers

2.



A. To close in the well to allow maintenance on the Xmas tree



B. To close in the well to shut-in production



C. To control production rates



D. To prevent production in case the surface valves are opened too far



E. To shut off well flow in an emergency



F. To be used as a barrier.

What causes a sub-surface controlled DHSV to close? No. required Answers

3.

1

1



A. Temperature



B. Pressure



C. Fluid density



D. Coiled tubing



E. Wireline



F. Flow

Which of the following DHSVs are surface controlled? No. required Answers



2

A. Differential pressure. B. Ambient pressure.



C. Wireline retrievable.



D. Tubing retrievable.

4.

What is the main reason for using tubing nipples? No. required Answers

5.



A. To receive flow control devices



B. To reduce well flow



C. For wireline depth control.

How temporary communication is normally made between the tubing and annulus? No. required Answers

6.

1

1



A. Open the SSD



B. Punch a hole in the tubing



C. Connect the tubing and annulus on surface



D. Installing a dummy gas lift valve in the SPM.

Which of the following can be set in a Side Pocket Mandrel ? No. required Answers

3



A. Gas lift valve



B. Chemical Injection Valve



C. Differential Kill Valve



D. Retainer



E. Lock mandrel

7.

How temporary communication is normally made between the tubing and annulus? No. required Answers

8.

1



A. Open the SSD



B. Punch a hole in the tubing



C. Connect the tubing and annulus on surface



D. Installing a dummy gas lift valve in the SPM.

How does a surface controlled Wireline retrievable DHSV run in the open position? No. required Answers

1



A. With locked in hydraulic pressure.



B. With a lock open sleeve.



C. With a prong on the wireline running tool.



D. With an automatic ‘J’ device.

9. Describe the primary function of a landing nipple positioned below the production packer?   No. required Answers                    1 A) So that the junk catcher can be set below the production packer prior to shifting any sliding side doors. B) To allow the completion to be pressure tested at any time while running the tubing. C) To prevent wire line tools falling out the bottom of the completion and into the liner. D) To allow the reservoir to be isolated at the lowest point of completion

10. How do flow control devices seal within the nipple bore? No. required Answers

1



A. With slips



B. On No-Go shoulders



C. With locking dogs in matching profiles



D. With expanding rubber elements in the bore



E. With elastomeric packing’s in the bore



F. By metal to metal seals.