petroleum

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petroleum

 [pĕ-tro´le-um]
a thick natural oil obtained from beneath the earth. It consists of a mixture of various hydrocarbons of the paraffin and olefin series.

pe·tro·le·um

(pĕ-trō'lē-ŭm),
A mixture of liquid hydrocarbons found in the earth in various parts of the world and believed to be derived from fossilized animal and plant remains; the source of petrolatum, in addition to its use for lighting and heating purposes.
Synonym(s): coal oil, rock oil
[L. petra, rock, + oleum, oil]

petroleum

/pe·tro·le·um/ (pĕ-tro´le-um) a thick natural mixture of gaseous, liquid, and solid hydrocarbons obtained from beneath the surface of the earth.
petroleum benzin  a colorless, volatile, flammable fraction from petroleum distillation, containing largely hydrocarbons of the methane series; it has been variously described as a special grade of ligroin or as a separate but similar fraction with a lower boiling range. It is used chiefly as an extractive solvent.

pe·tro·le·um

(pĕ-trō'lē-ŭm)
A mixture of liquid hydrocarbons found in the earth in various parts of the world believed to be derived from fossilized animal and plant remains.
[L. petra, rock, + oleum, oil]

petroleum

a thick natural oil obtained from beneath the earth. It consists of a mixture of various hydrocarbons of the paraffin and olefin series. See crude petroleum oil.

petroleum jelly
petrolatum.
References in periodicals archive ?
In sum, production of conventional oil is declining, and has been declining since 2006.
The result is that much of the prospecting for shale oil and gas is occurring in areas that have already produced conventional oil and gas.
He notes that Keystone XL will carry conventional oil from the Bakken basin in Montana and North Dakota, where there are pipeline bottlenecks.
GHG emissions from production: 151% more than conventional oil
For all its unique properties, the feature of conventional oil that is most important is its high net energy--the amount of useable energy left to do work after we subtract the energy we put into extracting and processing it.
In its 2005 Energy Outlook, ExxonMobil estimates "global conventional oil resources total 3.
The report notes that although alternatives to conventional oil exist (such as coal liquifaction), putting the plant infrastructure in place to produce liquid fuels from these sources on the scale required to alleviate projected shortfalls from conventional sources requires decades of advance construction.
Initial studies indicate that body weight and body fat losses may occur to a greater extent when consuming 10 to 25 grams of Enova oil per day in place of conventional oil.
Administrative Delay in Renewal of Conventional Oil Concessions; No Disruption in Conventional Oil Operations Expected; No impact on Shale Exploration Program
Global oil discoveries fell to a record low in 2016 as companies continued to cut spending and conventional oil projects sanctioned were at the lowest level in more than 70 years, according to the International Energy Agency, which warned that both trends could continue this year.
That committee submitted its report to the state government in 2012, whith confirmed the presence of conventional oil and gas in the basin.
The US petroleum boom now is based almost entirely on non-conventional resources, while Saudi Arabia holds the world's largest proven reserves of conventional oil far cheaper and easier to find and produce than in America or in other parts of the planet.

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