IWCF Level 1 Practice Questions - IWCF Level 1 Well Control Awareness Exam

What is a 'cap rock' or 'seal' in a hydrocarbon trap?

A layer of impermeable rock that stops hydrocarbons escaping upward The first rock the drill bit cuts A steel plate placed at surface The rock that contains the most oil

Correct Answer:

A layer of impermeable rock that stops hydrocarbons escaping upward

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