Libyan company Zallaf Oil and Gas has shipped the first export cargo from the Chadar oil field, at 600,000 barrels. Production at the field started in January this year from five wells, Reuters reported, citing the company, which is a subsidiary of the National Oil Corporation. When production started, it ran at rates of 1,500 barrels of crude daily plus 7.5 million cubic feet of associated gas, Zallaf said in January. The Chadar field is located in the prolific Sirte Basin and was discovered way back in 1968 by Mobil. The national Oil Corporation…