Wednesday, 12 December 2007

THE OIL


The oil is a fossil fuel of black color and oily aspect that impregnates certain rocks.Create it does million years from organic matter contained in the remains of small animals, algae and other beings who died in the sea, they settled in the fund and, little by little, they were covering of a dense cap of materials. For lack of osigeno did that they were increasing, multiplying in number, the anaerobic bacteria that make ferment the organic matter.

The conditions that favor the creation of the oil are:
- Slightly deep and rich seas in nutrients.
- Fluvial contributions.
- Little water movement in the fund.

The majority of the oil is in the stock exchanges impregnating rocks. These finds are to thousands of meters of depth, because of it to extract the oil it is necessary to make a well and take it up to the surface.

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