Uzbekineftegaz leads a consortium of Korea National Oil Corporation, China National Petroleum Corporation and Lukoil exploring and developing gas condensate fields in the Aral Sea.[1] In February 2008, Uzbekneftegaz and consortium led by the Korea Gas Corporation established the joint venture Uz-Kor Gas Chemical to develop the Surgil gas field, containing about 133 billion cubic metres (4.7 trillion cubic feet) of natural gas, and build the Ustyurt gas-chemical complex.[2] It will produce 4 billion cubic metres (140 billion cubic feet) of gas per year and about 500,000 tons per year of plastics as well as 100,000 tons of petrol which is derived as a bi-product in the process.[3]