Well Control - Quiz
- 1.What is the definition of a barrier?
- A.
The warning tape around the work site
- B.
Anything that prevents the flow of wellbore fluids
- C.
An overbalanced fluid
- D.
BOP locking stems
- 2.Which of the following describes the types of barriers?
- A.
Positive and negative
- B.
Pump on and pump closed
- C.
Mechanical and fluid
- D.
Overbalanced and underbalanced
- E.
Primary and secondary
- F.
Upper and lower
- 3.Which are common fluid barriers (3 answers):
- A.
Seawater
- B.
Diesel
- C.
Brine
- D.
Nitrogen
- E.
Condensate
- F.
Drilling mud
- 4.During an intervention operation it becomes necessary to kill the well. Which is the most important appropriate kill method?
- A.
Volumetric
- B.
Forward circulation
- C.
Wait and Weight
- D.
Bullheading
- E.
Concurrent
- 5.A kick has been swabbed in while tripping. Which of the following is an indication that the influx is below the bit and that stripping to bottom will be required?
- A.
The SIDPP is higher than SICP
- B.
The SIDPP is lower than SICP
- C.
The SIDPP is equal to SICP
- D.
None of the above
- 6.Under which circumstance would the Wait and Weight Method provide lower equivalent pressures at the casing shoe than the Driller's Method?
- A.
The pressures at the casing are the same regardless of the kill method used
- B.
When the drill string volume is more than annulus open hole volume
- C.
When annulus open hole volume is less than the drill string volume
- D.
When the drill string volume is less than the open hole volume
- 7.What is a reason for measuring Choke Line Friction (CLF) pressure?
- A.
To determine how much to allow casing pressure to increase at the start of a kill operation
- B.
To determine how much to allow drill pipe pressure to increase at the start of a kill operation
- C.
To determine if the choke and kill lines should be used during the kill operation
- D.
To help determine possible pressure increase during the final stages of a well kill
- 8.A subsea rig has shut in the well on a kick. The choke line is filled with drill water. Well Data: Choke line length 4200 feet Weight of drill water 8.3 ppg Mud weight 12.3 ppg SICP 1430 psi Before starting the kill operation the choke line is displaced to 12.3 ppg mud. What will be the new SICP?
- A.
1020 psi
- B.
922 psi
- C.
556 psi
- D.
432 psi
- 9.Why is it necessary to select the correct kill fluid? (2 answers)
- A.
Enable a lower kill pump rate
- B.
To minimize Formation Pressure
- C.
To enable a higher kill pump rate
- D.
To ensure formation fluid compatibility
- E.
To reduce annulus losses
- 10.Which depth is used to calculate volumes?
- A.
TVD
- B.
MD
Questions: 15 | Attempts: 98 | Last updated: Mar 4, 2021
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