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为减缓温室气体效应,CO2封存是当前研究的热点之一。强化采油技术的发展给CO2封存带来了新的机遇。本文通过实例分析,提出了一个用于量化CO2封存/EOR联合实施的技术经济模型。该模型考虑了封存过程中的能量需求和固有的CO2排放量。运用该模型量化了CO2封存/EOR联合实施的经济和社会环境效益。最后,得出了油田开发后期强化采油封存大量CO2的经济技术可行性结论。
CO2 sequestration is one of the hot topics in the current research to mitigate the greenhouse effect. The development of enhanced oil recovery technology has brought new opportunities for CO2 storage. In this paper, through a case study, a techno-economic model for quantitative CO2 sequestration / EOR joint implementation is proposed. The model takes into account the energy requirements and the inherent CO2 emissions in the storage process. The model was used to quantify the economic and social environmental benefits of CO2 storage / EOR. Finally, the conclusions of the economic and technological feasibility of intensive CO2 storage and storage in the late stage of oilfield development are obtained.