The Persian service of ISNA, reports that Iran's North Drilling Company (NDC) and COSL of China, have signed a cooperation agreement for strategic oil exploration management, repair and maintenance of semi-submersible Alborz Rig in Block 6 of the Caspian Sea.
Executive director of NDC, Heidar Bahmani, said that oil exploration and exploitation in the sea has always been the nation's long standing goal.