heteropolymer
非均相聚合物
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针对聚合物驱后油藏缺乏有效提高采收率接替技术的问题，研发了新型非均相聚合物驱油剂PPG产品。
PPG as a new type of immiscible polymer flooding system was studied for the purpose of enhancing the oil recovery of after polymer flooding reservoirs.
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