Petroleum is found in underground lakes, which can be of marine, river, glacial or lake origin ... Petroleum is used for transportation, as industrial power, heating and lighting, and as a by-product use. The petroleum is obtained by means of petroleum machines. By means of electrical energy, the motor that is the main part of this machine is put to work since it's the one that produces all the movements of the pulleys and this is what will generate the movement of the "screw" with which the hole for petroleum extraction.
