Why is a trap necessary to create a conventional reserve?
A) Without a trap,temperatures within the Earth would be too high for hydrocarbon formation.
B) A trap is the porous and permeable reservoir in which conventional hydrocarbon reserves reside.
C) A trap is the source rock for the accumulation and creation of hydrocarbon resources.
D) Without a trap,hydrocarbons would rise buoyantly and seep onto the Earth's surface.

Question

Why is a trap necessary to create a conventional reserve?    
A) Without a trap,temperatures within the Earth would be too high for hydrocarbon formation. 
B) A trap is the porous and permeable reservoir in which conventional hydrocarbon reserves reside. 
C) A trap is the source rock for the accumulation and creation of hydrocarbon resources. 
D) Without a trap,hydrocarbons would rise buoyantly and seep onto the Earth's surface.

Quizplus · Accepted Answer

Without a trap, hydrocarbons would have nothing to prevent them from rising buoyantly and seeping onto the Earth's surface. A trap, such as a geological formation that prevents upward movement, is necessary to create a conventional reserve.

Why Is a Trap Necessary to Create a Conventional Reserve