Petroleum Production Operations Mock Test 7

10%

Question 1 of 10

1. Which of the following is correct in the context Surfactant used in the oil and gas industry?

Reduces the surface and increases interfacial tension

Increases the surface or interfacial tension

Increases the surface and reduces the interfacial tension

Reduces the surface or interfacial tension

Question 1 of 10

Question 2 of 10

2. Which of the following is correct in the context of gravel - sand size ratio when the uniformity coefficient is greater than 5; consider flow velocity is less than 0.05 ft/sec?

D₄₀ gravel = 8 times D₄₀ sand size

D₁₀ gravel = 7 times D₁₀ sand size

D₁₀ gravel = 8 times D₄₀ sand size

D₄₀ gravel = 6 times 40 sand size

Question 2 of 10

Question 3 of 10

3. X-ray diffraction tests can determine the type and overall amount of clay in a sandstone unit.

False

True

Question 3 of 10

Question 4 of 10

4. What is absolute permeability?

It is the ratio of effective permeability over the absolute permeability

It is the ratio of absolute permeability over the effective permeability

It is the ability to flow fluid through the porous media of permeable rock when more than one type of fluid is in the rock pore spaces

It is the ability to flow fluid through the porous media of permeable rock when only one type of fluid is in the rock pore spaces

Question 4 of 10

Question 5 of 10

5. Along the United States Gulf Coast, which of the following clays predominates at shallow to medium depths?

Montmorillonite

Chloride and kaolinite mixed layers

Smectite and illite mixed layers

Kaolinite

Question 5 of 10

Question 6 of 10

6. How the flow velocity is calculated in the context of gravel packing?

Production rate ft³/sec / 60% of the open area of slots 50%

Production rate ft³/sec / 100% of the open area of slots 50%

Production rate ft³/sec / 80% of the open area of slots 50%

Production rate ft³/sec / 50% of the open area of slots 50%

Question 6 of 10

Question 7 of 10

7. What is the percentage of sand control by gravel pack?

75%

55%

15%

Question 7 of 10

Question 8 of 10

8. What is Formation damage?

Increased viscosity

Impairment of the permeability

Reduced viscosity

Increased production

Question 8 of 10

Question 9 of 10

9. How does reduced relative permeability to oil result in the formation damage mechanism?

Results due to a decrease in gas saturation

Results from plugging of pore channels by induced or inherent particles

Results due to a decrease in water saturation

Results from an increase in water saturation or oil wetting of the rock

Question 9 of 10

Question 10 of 10

10. What is the percentage of sand control by resin coated gravel without screens?

75%

15%

55%

Question 10 of 10