Introduction
Since the mid XX century, the oil industry occupies a leading position in the global energy sector. A prerequisite for the implementation of large-scale long-term investments in the oil industry under the condition of a favorable outlook for oil demand in the world market is the availability of relevant geological reserves of oil in a particular region and the world at large. OPEC-countries account for over 40% of world oil production. Especially, the Middle East, particularly the Gulf basin, where there are the largest oil fields in the world, is rich for oil reserves (OPEC, 2015). Oil is extracted ...