6 Formation; 7 Reservoirs. 7.1 Crude oil reservoirs; 7.2 Unconventional oil
reservoirs. 8 Classification; 9 Petroleum industry. 9.1 Shipping. 10 Price; 11 Uses
Stage 1 - All of the oil and gas we use today began as microscopic plants and
animals living in the ocean millions of years ago. As these microscopic plants
How Is Oil Formed: Millions of years ago, plants and animals living in the ocean
absorbed energy from the sun and stored this energy in their bodies in the form ...
Sep 5, 2014 ... A fast paced explanation of how many oil and gas deposits form and how we
explore for them.
A BBC Bitesize secondary school revision resource for Standard Grade
Chemistry on how crude oil was formed: fossil fuels, porous rock, non-porous
But where does oil really come from, and how much is left? ... organic matter is
known as the "biogenic theory" of petroleum formation and was first proposed by
Aug 23, 2015 ... The Slow Formation of Oil and Natural Gas Deposits. It takes millions of years for
decaying organic matter to be transformed into hydrocarbons ...
Oil comes from the remains of tiny plants and animals (plankton) that died in
ancient ... broke the remains into carbon-rich compounds that formed organic
Jun 10, 2008 ... This animation demonstrates the formation of hydrocarbons over millions of years
in the depths of the Earth. Oil and gas forms in sedimentary ...
Coal and oil formation. Switch to animation about oil formation. Coal formation.
Formation of ... Most of the Earth's reserves of. oil and natural gas were formed.