Well Completions Equipment Quiz # 1

  

1) What is the main reason for using tubing nipples in a completion?

a.   to receive flow control devices.

b.   to reduce well flow.

c.   for depth control of wire-line.

2) From which direction are down hole safety valves designed to prevent flow?

a.   both above and below.

b.   below.

c.   above.

3) Which type of closure mechanism is fitted to tubing retrievable down hole safety valves?

TWO ANSWERS

a.   plug

b.   sleeve

c.   gate.

d.   poppet

e.   ball

f.    flapper

4) What is the primary advantage of a wire-line retrievable down hole safety valve?

a.   can be retrieved and replaced.

b.   can be installed after running the tubing

c.   can be removed to allow through tubing intervention work.

d.   simple construction.

5) Which of the following statements about the circulation devices used in a well kill are true?

TWO ANSWERS

a.   check that the pressure rating is adequate for the work to be performed.

b.   check that the tail pipe plug is in place before opening the sleeve.

c.   check the pressure are equalized before opening.

d.   check that the catcher is installed below the sliding sleeve.

e.   check that the device is fully open.

6) How is a surface controlled wire-line retrievable down hole safety valve run in the well in the open position?

a.   with  a prong on the lock mandrel running tool.

b.   with a locked-in hydraulic pressure.

c.   with an automatic ‘J’ device.

d.   with a lock-open sleeve.

7) If a side packet mandrel is not in use, what type of valve is installed in the pocket as a positive closure to flow from either direction?

a.   A circulation valve.

b.   a gas lift valve.

c.   a dummy valve.

d.   a gate valve.

e.   a chemical injection valve.

8) What is the definition of a permanent packer?

1. it can only be retrieved by milling it out.
2. It can be set and retrieved on wire-line.
3. It is fixed to the completion tubing.
4. It is fixed, and can only be retrieved on the completion tubing.
5. It can only retrieved with a special pulling tool.

9) How are lock mandrels locked into tubing nipples?

a.   on a NO-GO shoulders.

b.   with elastomeric packing in a polished nipple bore.

c.   by metal to metal seals.

d.   with mandrel locking dogs and matching nipple recesses.

e.   with slips.

f.    with expanding rubber elements in the nipple bore.

10)  Why is a down hole safety valve installed?

a.   to prevent production in the accidental event of surface valves being opened.

b.   to shut the well in to allow maintenance to surface equipment.

c.   to shut the well in, in an emergency situation.

d.   control production flow rates.

e.   to shut the well in and stop production.