 HONG KONG, May 6, 2021 PRNewswire -- CNOOC Limited the Company, SEHK: 00883, NYSE: CEO, TSX: CNU today announced that Liuhua 29-2 gas field has commenced production. The Liuhua 29-2 gas field is located in the eastern South China Sea, 300 kilometers southeast of Hong Kong, with water depth of about 750 meters. 