Petroleum Production Operations Practice Test 4

1. What is perforation in oil and gas Wells?

Punching a hole in the Side Pocket Mandrel

Punching a hole in the drill string

Punching a hole in the casing or liner

Punching a hole in the Packer

2. Consider a case, in which the actual production rate of the well is lower than that predicted based on the IPR equation, and also the bottom hole pressure measurement shows it to be lower than the expected value then what is the cause of this situation?

By an increase in reservoir pressure

No formation damage

By formation damage

By a restriction in the wellbore

3. What is the phasing shown in the diagram below?

120°

0°

210°

250°

4. Gun Barrel salt water is considered as the natural water from formation.

False

True

5. The plugging of perforators is caused by the charge liner residue.

True

False

6. What should be the perforation penetration for carbonate rocks?

3-7 in

2-8 in

4-6 in

1-5 in

7. The ASTM C-190 test is a crushing test of an unsupported column at the downhole condition.

True

False

8. What type of Workover fluid can be used for sand consolidation purposes?

Formation fluid

Brine Water

Seawater

Diesel Oil

9. Which of the following is not a property in the selection of the workover fluid?

Fluid Loss

Solid Content

Fluid Density

IPR

10. What should be the perforation hole size for gravel packing?

0.05 in

0.5 in

0.75 in

0.3 in