 HONG KONG, Feb. 21, 2021 PRNewswire -- CNOOC Limited the Company, SEHK: 00883, NYSE: CEO, TSX: CNU announced today that the Company made a large-sized oil and gas discovery Bozhong 13-2 in Bohai Bay. The Bozhong 13-2 structure is located in the south-western Ring of Bozhong Sag in... 