Which of the following do all oil traps have in common?
a reservoir rock with a cap rock above it
A(n) __________ is not associated with structural deformation.
stratigraphic (pinchout) trap
Which of the following must be true for hydrocarbons to be trapped by salt diapirs?
The salt must be impermeable.
List the fluids commonly found in traps, from the least to most dense.
gas, oil, water
Which of the following must be true for hydrocarbons to be collected by a fault trap?
The fault must be sealed.
About half of renewable energy is used in __________.
electric power generation
Most of the energy used by the industrial and residential/commercial sectors is __________.
natural gas
Nuclear energy is used in what energy sector(s)?
electric power
__________ is split nearly evenly among the industrial, residential and commercial, and electric power sectors.
Natural gas
Almost _____ of all electric power produced relies on coal as a source of energy.
46%
Which of the following accurately describes oil shale?
An organic-rich, fine-grained, impermeable sedimentary rock containing kerogen.
Which of the following is required for oil shales to form?
a sedimentary basin
Why must oil shale be heated to extract hydrocarbons?
Oil shale has low permeability.
Methane clathrates are stable in __________ conditions.
low temperature, high pressure
Which of the following is a drawback to mining oil shale and oil sands?
It is costly and energy-intensive to extract these resources.