Oil Is Formed In the Deep Layers of Earth | Oil Contains Carbon and Hydrogen
Everybody uses names of oils like petrol, engine oil, crude oil, kerosene oil in daily life. It will be interesting to know how these oils are formed in earth. The trees that were there before lakhs of years on the earth reach inner layers of earth about thousands of feet deep after they are dilapidated. Due to many chemical changes, carbons will develop which contains good quantity of hydrogen and carbons. These will mix with mud and stays in the layers of earth for years together. Generally the temperature keeps increasing while going in depth of the earth. Due to the temperature and pressure inside the layers of earth, the mud and hydrocarbon mixture will come across several changes and the black, thick oil is formed. Depending upon the inside area of earth the oil is available in different depths. Due to the special weight of the oil sometimes it comes to the upper area. In some areas the oil will be taken out with the pipes from very high depths. In some areas the oil comes out of the earth.