100+ GATE Petroleum Engineering Previous Year Papers with Solutions - 2

Question: 6

The void to grain ratio of sand stone-stone samples is ΒΌ. What is the porosity of this sample?

(A) 10%

(B) 20%

(C) 30%

(D) 40%

Ans: B

20%

Question: 7

The porosity of the cubic packing is

(A) 20%

(B) 26%

(C) 35%

(D) 47%

Ans: D

47%

Question: 8

Increasing the saturation of the wetting phase is called

(A) wettability

(B) imbibitions

(C) drainage

(D) none of the above

Ans: B

imbibitions

Question: 9

Most widely used post primary recovery is

(A) steam flooding

(B) water flooding

(C) polymer flooding

(D) none of the above

Ans: B

water flooding

Question: 10

The limitations of the CO2 flooding include

(A) availability

(B) surface facilities

(C) low viscosity

(D) all of the above

Ans: D

all of the above

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