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This paper provides a summary of the current status, potential opportunities, and limitations for the application of enhanced oil recovery by carbon dioxide (CO2 EOR) using CO2 captured from industrial sources. Though CO2 EOR operations have traditionally focused on maximizing oil recovery, CO2 EOR can result in effective storage. Up to 97% of the initially purchased CO2 for EOR operations can be stored at the end of injection. Anthropogenic sources are accounting for steadily increasing share of CO2 supply, currently providing 12 million metric tons per year for EOR. Since significant expansion of oil production utilizing CO2 EOR will require volumes of CO2 that cannot be met by natural sources alone, industrial sources of CO2 will need to play a critical role. Since storing CO2 in association with EOR can substantially offset the extra costs associated with CCS, it can encourage its application in the absence of other incentives for CCS deployment.
본 연구에서는 산업 배출원에서 포집된 이산화탄소를 이용한 오일 회수증진법의 현황, 잠재력, 한계성에 대해 요약하였다. 전통적으로 CO2 EOR은 오일회수에 초점이 맞추어 졌지만, 최근에는 CO2의 효율적인 지중저장 수단이 되고 있다. CO2 EOR에 사용되는 CO2의 97%는 주입 종료 후 지중에 저장된다. 현재 인위기원 CO2의 공급 비중이 꾸준히 증가하여 연간 1,200만 톤에 이르고 있다. CO2 EOR이 탄소 포집 및 저장에 미치는 가장 큰 영향은 오일을 추가 생산함에 따라 CCS 적용에 따른 비용을 상쇄시킬 수 있는 수익을 창출할 수 있다는 점이다. CO2 EOR을 적용하는 생산현장이 증가함에 따라 필요한 CO2 공급이 부족하여 산업 배출원에 의한 CO2 공급이 중요한 역할을 하게 될 것이다. EOR과 연계된 CO2 지중 저장은 CCS와 관련된 비용을 근본적으로 상쇄할 수 있기 때문에 CCS에 별도의 인센티브가 주어지지 않더라도 촉진될 수 있을 것이다.
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- Publisher :The Korean Society of Mineral and Energy Resources Engineers
- Publisher(Ko) :한국자원공학회
- Journal Title :Journal of the Korean Society for Geosystem Engineering
- Journal Title(Ko) :한국지구시스템공학회지
- Volume : 49
- No :5
- Pages :700-707


Journal of the Korean Society of Mineral and Energy Resources Engineers







