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During the 10th Five-Year Plan Period, Daqing Oil Field entered the late high water-cut period with the reserve- production ratio in imbalance. The oil field development became more and more difficult owing to the inadequate substitute resources. Daqing O
During the 10th Five-Year Plan Period, Daqing Oil Field entered the late high water-cut period with the reserve- production ratio in imbalance. Daqing O