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Petroleum Information on Petroleum and Crude Oil.
World War I was the real catalyst for petroleum production, with more petroleum being produced throughout the war than had ever been produced previously. In modern times petroleum is viewed as a valuable commodity, traded around the world in the same way as gold and diamonds.
Petroleum Wikipedia.
The price of oil, or the oil price, generally refers to the spot price of a barrel of benchmark crude oil a reference price for buyers and sellers of crude oil such as West Texas Intermediate WTI, Brent Crude, Dubai Crude, OPEC Reference Basket, Tapis crude, Bonny Light, Urals oil, Isthmus and Western Canadian Select WCS.
Petroleum Simple English Wikipedia, the free encyclopedia.
Petroleum, from Greek rock and oil also called crude oil, is a thick and black liquid. It is a natural material mainly made of hydrocarbons. Most petroleum is found by drilling down through rocks on land or off shore on the continental shelf.
Petroleum gas Factorio Wiki.
Petroleum gas is used to create plastic bars and sulfur, important ingredients for mid-to-high-level recipes. Petroleum gas can also be used to create solid fuel, but the ratio of fuel created is not as efficient as that of light oil, and petroleum gas is usually too valuable to waste.
petroleum Energy, Products, Facts Britannica.
Liquid and gaseous hydrocarbons are so intimately associated in nature that it has become customary to shorten the expression petroleum and natural gas to petroleum when referring to both. The word petroleum literally rock oil from the Latin petra, rock or stone, and oleum, oil was first used in 1556 in a treatise published by the German mineralogist Georg Bauer, known as Georgius Agricola.
Petroleum Journal KeAi.
In October 2007, the postdoctoral research program of petroleum and natural gas engineering was recognized as the National Excellent Postdoctoral Research Program, the only non-key university in the country to be so honored by the Ministry of Personnel Affairs and the National Postdoctoral Administration Committee of China.

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