Historical information about the oil

In the Middle Ages interest in oil, mainly based on its ability to burn. In VII century BC Byzantines used the so-called Greek fire (a mixture of oil with lime), which ignited when wet. Used against enemy ships: she smeared arrowheads or produced primitive grenades. [4] Tell about the "fuel water - thick" brought from Ukhta to Moscow in Boris Godunov.
Until the early 18th century, oil mainly used in bulk, that is unprocessed and untreated. Great attention to the oil as a mineral was paid only after:
factory in Russia practice Dubinin brothers (from 1823)
American chemist B. Sillimanite (1855),

it was proved that we can select a kerosene - light oil, such photogenic, even then, is developed from some types of coals and shales and widespread. Preferential use of refined oil only started in the 2nd half of the 19th century, helped emerged at this time a new method of oil production by drilling wells instead of wells. The world's first oil production from the well bore was held in 1848 at the Bibi Eybatskom field near Baku.
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