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Petroleum Production Operations Mcqs

Q:

?API equals to which of the following expression?

A) (141.5/Sp. Gravity) – 141.5 B) (141.5/Sp. Gravity) – 135.1
C) (141.5/Sp. Gravity) – 131.5 D) 131.5 – 141.5/Sp.Gravity
 
Answer & Explanation Answer: C) (141.5/Sp. Gravity) – 131.5

Explanation: Not available for this question

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158
Q:

Which of the following form of corrosion occurs due to concentration difference in a component?

A) Uniform B) Galvanic
C) Inter-granular D) Stress
 
Answer & Explanation Answer: C) Inter-granular

Explanation: The form of corrosion occurs due to the concentration difference in a component is known as Inter-granular corrosion. It is also known as an intergranular attack. In this type of corrosion, the boundaries of the object under consideration are more susceptible to corrosion.

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141
Q:

Which of the following is not the primary form of polymer deterioration?

A) Weathering B) Scission
C) Corrosion D) Swelling and Dissolution
 
Answer & Explanation Answer: C) Corrosion

Explanation: Corrosion is not the primary form of polymer deterioration. The cleavage of the chemical bonds or the splitting of the chemical bonds is known as Scission. The dissolution of polymer is a slow process.

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137
Q:

What is the name of a joint with a large aperture?

A) Fissure B) Fracture
C) Layer D) Tunnel
 
Answer & Explanation Answer: A) Fissure

Explanation: The name of a joint with a large aperture is known as Fissure. Any separation in a geologic formation is called a fracture e.g. joint and fault.

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120
Q:

In which of the following case workover rig or mobile rig is not used?

A) Drilling B) Pulling tubing
C) CO? flooding D) Cement jobs
 
Answer & Explanation Answer: C) CO? flooding

Explanation: Not available for this question

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112
Q:

What type of retarder is Calcium Lignosulfonate (HR means Halliburton retarder)?

A) HR-4 lignin type B) HR-20 gypsum type
C) HR-13 gypsum type D) HR- 6L lignox type
 
Answer & Explanation Answer: A) HR-4 lignin type

Explanation: The HR-4 lignin type retarder is Calcium Lignosulfonate. It is used for static temperatures from 260 to 290°F. It should not be used with high bentonite cement because it doesn’t act as a dispersant.

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103
Q:

By using which of the log we can easily differentiate the bed boundary between shale and sandstone?

A) Sonic log B) Gamma-ray log
C) Neutron porosity log D) MSFL
 
Answer & Explanation Answer: B) Gamma-ray log

Explanation: Gamma-ray log can be used to easily differentiate the bed boundary between shale and sandstone. If the gamma ray count is more then it confirms shaly formation otherwise a non-shaly formation. The sonic log gives sonic porosity. The neutron porosity log gives neutron porosity. MSFL is a micro spherically focused log that is used to get Flushed zone resistivity.

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98
Q:

Connate water saturation is the amount of water which gets adsorbed on the walls of the porous medium.

A) True B) False
 
Answer & Explanation Answer: A) True

Explanation: Yes it is true. The water that is there inside the formation is of higher salinity. Connate water saturation is the lowest water saturation found inside the rock. On the other hand, irreducible water saturation is that the lowest water saturation found after the water gets displaced by other fluids.

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96