 HONG KONG, Aug. 19, 2021 PRNewswire -- CNOOC Limited the Company, SEHK: 00883, NYSE: CEO, TSX: CNU today announced its 2021 interim results for the six months ended June 30, 2021. In the first half of 2021, faced with the complicated situation, the Company further strengthened its business strategy, firmly advanced various production and operation tasks, and scaled new heights in reserves and production. 