In 1995, the Sabei oilfield takes the lead in starting inject polymer and it becomes the first popularizing huge area in Daqing oilfield.
1995年萨北油田又率先开始注聚合物，成为大庆油田第一个大面积工业化推广的区块。
In 1995, the Sabei oilfield takes the lead in starting inject polymer and it becomes the first popularizing huge area in Daqing oilfield.
1995年萨北油田又率先开始注聚合物，成为大庆油田第一个大面积工业化推广的区块。
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