The cumulative oil production of petrochina Daqing Oilfield has exceeded 300 million ton

The reporter learned from petrochina Daqing Oilfield that the cumulative output of its tertiary oil recovery exceeded 300 million tons, and its annual output exceeded 10 million tons for 21 consecutive years. It has built the world's largest tertiary oil recovery research and development production base. The three-time oil recovery technology has become the dominant development technology supporting high quality development of Daqing oilfield, it has established a monument of independent innovation in technology of enhancing oil recovery rate of our country, it leads the world in developing technology of enhancing oil recovery rate, and contributes to stable energy rice dish and guarantee national energy security of Daqing oilfield.