Petroleum Production Operations Mcqs

Q:

Which of the following rock has isolated bound water containing within it?

A) Sandstone B) Carbonate
C) Siltstone D) Shale
 
Answer & Explanation Answer: D) Shale

Explanation: Shale has isolated bound water containing within it. Shale has very less permeability. Sandstones and Carbonates are generally reservoir rock. Shale is known as cap rock. Siltstone is a sedimentary rock that contains grains, which lies in the silt range.

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Q:

The general physical characteristics of rocks are known as________

A) Lithology B) Hydrology
C) Strata D) Rock Mechanics
 
Answer & Explanation Answer: A) Lithology

Explanation: The general physical characteristics of rocks are known as Lithology. Physical characteristics include color, texture, grain size and composition.

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73
Q:

Most oil and gas reservoirs are found in which of the following formations?

A) Sandstone and Shale B) Sandstone and Evaporites
C) Carbonate and Shale D) Carbonate and Sandstone
 
Answer & Explanation Answer: D) Carbonate and Sandstone

Explanation: Most oil and gas reservoirs are found in Carbonate and Sandstone formations. They are called reservoir rocks and they have good porosity and permeability in most of the cases. On the other hand, Shale and Evaporites work as cap rocks having less permeability.

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