Petroleum is a naturally occurring, yellow-to-black liquid found in geological
formations ..... The exact molecular composition of crude oil varies widely from
formation to formation but the proport...
A BBC Bitesize secondary school revision resource for Standard Grade
Chemistry on how crude oil was formed: fossil fuels, porous rock, non-porous
Jul 24, 2009 ... Crude Oil Formation. Crude oil is created through the heating and compression
of organic materials over a long period of time. Most of the oil ...
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 Crude Oil Formed? It is generally believed that crude oil was formed from
the remains of animals and plants (called biomass) that lived many years ago.
www.ask.com/youtube?q=Crude Oil Formed&v=8YHsxXEVB1M
Sep 5, 2014 ... A fast paced explanation of how many oil and gas deposits form and how we
explore ... +mang8219 Microbial remains come up in the crude oil.
www.ask.com/youtube?q=Crude Oil Formed&v=BOy_j2blim8
May 26, 2016 ... Oil From Wikipedia, the free encyclopedia For other uses, see Oil (
disambiguation). A bottle of olive oil used in food This article contains special ...
Dec 27, 2006 ... The oil usually hasn't formed in the reservoir rock but has been generated in
source rock ... One such chemical in crude oils is called porphyrin:.
Oil was formed from the remains of animals and plants that lived millions of years
... from these layers helped the remains turn into what we today call crude oil.
Preconditions for crude oil formation. Level: medium.