Final Flashcards
In a structural oil trap, __________ accumulates on top, and ___________ accumulates at the bottom, due to differences in density.
Oil; natural gas
The fossil fuel that mainly forms in swampy, anoxic environments is ______.
Coal
Coal can be classified as a sedimentary and a metamorphic rock.
True
An example of a short chain hydrocarbon would be:
Propane
The oil “window” (temperature range wherein organic matter is converted to petroleum) lies between approximately ____________.
90 to 160 degrees C
A non-permeable, non-porous rock which helps to create an oil reservoir is called a:
Seal rock
The lowest temperature form of coal is called ______ and the highest temperature form is called ___________.
Lignite; anthracite
_____, _____, and _____ are the geological components necessary to have a petroleum trap.
Source rock; reservoir rock; cap rock
Fossil fuels form in, and are stored within, ____ rock.
sedimentary
Petroleum products are composed of chains of carbon and oxygen molecules.
False
An example of a long chain hydrocarbon would be:
Tar
Fossil fuels derive their energy from ancient _____.
organic matter
A permeable and porous rock is a good candidate to serve as a ____________ in an oil-producing scenario.
Reservoir rock
