Sciences:

Earth Science

Crude Oil

 
by Janet Grischy
Not all crude oil has the same composition. Some is heavier, some lighter, and some sour, meaning it contains more than about 2.5 percent sulfur. All crude oil, though, is a mixture of different hydrocarbons, which are molecules composed of hydrogen... More>
by Janet Grischy
Almost everywhere that drillers find crude oil , they find it under a pocket of gas. Still more gas is dissolved in the oil. When drillers go deep, the gas may be under pressure that causes it to shoot to the surface, as it did at the Macondo well, ... More>
by Lou Rountree
Congratulations to the cable History TV channel. We get it! This past weekend many viewers watched the repetitious display of CRUDE. Because it was repetitious, it seemed perfectly tailored to the California citizens educated in the California Schoo... More>
by B. Stone
Both shale oil and crude oil are a source of the same chemical compounds that are burned to create energy - hydrocarbons. The difference is that crude oil, also known as petroleum, is already in its ready form, while shale oil has to be extracted fr... More>
by Norman A. Rubin
It has now been more than 50 days since the oil spill in the  Gulf of Mexico  and there are many  unanswered questions . What is the cause of this environmental disaster – human or mechanical failure? How much oil is really spew... More>
by Leonard Konis
The main source of energy, in the United States is crude oil, and throughout the world. Once crude is refined, provides gasoline, kerosene, and diesel fuel. These refined derivatives are required, for most transportation needs. As well, used in the ... More>
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