Oil or natural gas originate from the:
A) source rock.
B) reservoir rock.
C) cap rock.
D) gas rock.

Question

Quizplus · Accepted Answer

Oil and natural gas originate from the source rock, which is where organic matter, such as the remains of plants and animals, has been buried and heated over millions of years, eventually turning into hydrocarbons. The reservoir rock is where the oil or gas accumulates, the cap rock is a layer that seals the reservoir rock and prevents the hydrocarbons from escaping, and gas rock is not a commonly used term in the industry.

Oil or Natural Gas Originate from The