ABSTRACT

Petroleum or crude oil has been known for a long time. Archeologists have shown that it had already been extracted and used for about 5-6 thousand years before Christ The most ancient known oil wells are those at Ephrata and the Kerch coast in the Chinese province of Sychuan. The mention of petroleum has been found in many ancient manuscripts and books. For example, the Bible writes about “pitch wells in the vicinities of the Dead Sea”.