Petroleum - Wikipedia, the free encyclopedia
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Petroleum (L. petroleum , from Greek πετρέλαιον , lit. "rock oil" ) or crude oil is a naturally occurring, flammable liquid found in rock formations in the Earth consisting of a complex mixtu...
en.wikipedia.org/wiki/Petroleum
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Abiogenic petroleum origin - Wikipedia, the free encyclopedia
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Abiogenic petroleum origin is an alternative hypothesis to the prevailing biological origin theory of petroleum origins. Most popular in Russia and Ukraine between the 1950s and 1980s, the abiogenic ...
en.wikipedia.org/wiki/Abiogenic_petroleum_origin
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scientists think that petroleum formed from the remains of plankton and other microscopic protists, plants, and animals living in shallow seas millions of years ago. The remains of these organisms settled on the ocean floor and were covered...
http://wiki.answers.com/Q/How_is_petroleum_formed
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Petroleum is formed from small animals that are found in the ocean's bottom. Over time, bacteria build and produces hydrogen and carbon. After millions of years, the small animals turn in to sediment that turn into petroleum.
http://answers.ask.com/Science/Other/how_is_petroleum_f...
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Oil (Petroleum) - composed of hydrocarbons (organic molecules composed of chains of H and C). ... Petroleum has many uses - list any 10: ... See page 177 for an estimate of how proportions of petroleum reserves change over time in favor of OPEC nations.
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www.uky.edu/AS/Geology/cook/120/321.html
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Petroleum Engineering Department, ... The results indicate that the depth profile of deposits formed along the same well varies and is characterized by the following main trends from deeper to shallower samples: (1) amount of deposits increases, a complete tubing plugging occurs at shallower levels;
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pubs.acs.org/doi/abs/10.1021/ef030108a
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BAKU, June 4, 1996-Caspian International Petroleum Company (CIPCO) has been incorporated as the joint operating company for the contractor parties for the exploration, development and production sharing for the Karabakh Prospective Structure and area adjacent in the Azerbaijan sector of the Caspian Sea.
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www.azer.com/aiweb/categories/magazine/43_folder/43_art...
www.azer.com/aiweb/categories/magazine/43_folder/43_articles/43_caspian.html
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Without surveying all of earth's crust, an impractically large task, scientists cannot rule out the possibility that large, commercially valuable ponds of mantle-formed petroleum are just waiting to be discovered. ... Ponds of mantle-formed petroleum are just waiting to be discovered, says one researcher (Source: iStockphoto)
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www.abc.net.au/science/articles/2009/07/28/2638484.htm
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Natural mineral oil, a thick greenish-brown flammable liquid found underground in permeable rocks ... Petroleum was formed from the remains of marine plant and animal life which existed many millions of years ago (hence it is known as a fossil fuel).
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www.tiscali.co.uk/reference/encyclopaedia/hutchinson/m0...
www.tiscali.co.uk/reference/encyclopaedia/hutchinson/m0015289.html
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