Tengiz Oil Field
Tengiz field, in western Kazakh-
stan, is located in the swamplands along the northeast shores of the Caspian Sea. Many nations are involved in a large geopolitical competition to secure access to this source of oil.
Estimated at up to 25 billion barrels (4 km³) of oil originally in place, Tengiz is the sixth largest oil field in the world; recoverable crude oil reserves have been estimated at 6 to 9 billion barrels (0.9 to 1.4 km³). Like many other oil fields, the Tengiz also contains large reserves of natural gas.
Kashagan: Giant Field in the North Caspian Sea
Kashagan is the largest oil field discovered of the North Caspian Sea PSA contract area. It is located offshore, It is currently estimated that there are 38 billion barrels of oil-in-place of which 13 recoverable in case of gas re-injection. Kashagan is also the largest oil field discovered over the last thirty years worldwide. Its development represents one of the greatest current challenges of the petroleum industry.
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