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截至11月15日,辽河油田12个采油单位共实施措施前经济评价论证5122井次,否决低效措施398井次,今年减少风险性投入6600万元。
As of November 15, 12 oil-producing units in Liaohe Oilfield implemented a total of 5122 economic evaluations before the measures and 398 wells of ineffective measures were rejected. This year, it reduced the risk investment by 66 million yuan.