One of the most valuable minerals and commodities in the world today is oil. It is a tool of geopolitics, wars are fought over it, it revives the economy of any state. Oil today is called black gold and this resource is mined by people of different professions, who are united under a common name - oilmen. This is the name given to oil field workers from engineer to driller assistant. Traces of oil fields found in Iraq are more than 4,000 years old. This means that then there were already oil workers. In Moscow, oil was first seen in the 16th century and was called "burning water". Drilling wells were invented only closer to the middle of the 19th century and at the same time they began to use them as the main method of oil production. Until 1823, no one knew that oil could be refined and kerosene extracted from it. The profession of an oilman became widespread already in the XX century, when the widespread use of this fuel began. ...
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