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Kalamkas is an oil and gas field in Mangistau region of Kazakhstan, on the Buzachi half island. It refers to the North Buzashinskoy oil and gas field. It was opened in 1976. The development began in 1979.
Deposits are at depths of 0.5-1.1 km. Hydrocarbon and gas deposits were formed with Lower Cretaceous and Jurassic sediments. The Initial production rates of oil are 26, 4-62,1 m ³ / day. The density is 902-914 kg / m ³; the sulfur content is 0.1 - 0.3%.
A characteristic feature of this oil is the presence of vanadium and nickel.
Geological oil reserves are 500 million tons.
At present the field is being developed by company of "Mangistaumunaigaz." Oil production in 2008 was 4.2 million tons.