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?
- it can only
be retrieved by milling it out.
- It can be set and retrieved on
wire-line.
- It is fixed to the completion
tubing.
- It is fixed, and can only be
retrieved on the completion tubing.
- 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.
