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NTIS 바로가기터널과 지하공간: 한국암반공학회지 = Tunnel and underground space, v.29 no.3, 2019년, pp.157 - 171
하성준 (연세대학교 공과대학 건설환경공학과) , 윤태섭 (연세대학교 공과대학 건설환경공학과)
The fracturing by liquid carbon dioxide (
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핵심어 | 질문 | 논문에서 추출한 답변 |
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무수 파쇄법이 수압 파쇄법의 대안으로 각광을 받은 이유는 무엇인가? | 물 이외의 유체를 사용하는 무수 파쇄법(waterless fracturing)은 물 관련 환경 문제들을 피할 수 있으므로 기존 수압 파쇄법의 유망한 대안으로 각광을 받았다. 무수 파쇄법에서 사용되는 유체로는 액체/초임계 이산화탄소(LCO2/scCO2), 액체 질소, 액체 석유 가스(LPG) 및 액체 천연 가스(LNG)가 있다(Kohshou et al. | |
수압 파쇄법은 무엇인가? | 수압 파쇄법(hydraulic fracking)은 고압의 물을 지하 암반층에 주입하여 인위적으로 균열을 생성시키는 비전통 에너지 회수(unconventional energy recovery)기술이다. 생성된 균열은 암반층의 공극 네트워크에 위치한 오일이나 가스에 대하여 새로운 흐름 경로를 제공하여, 저침투성의 암석(low permeable rock formation)에서의 자원 생산을 경제적으로 가능하게 한다. | |
무수 파쇄법에서 사용하는 유체로 CO2의 사용이 널리 주목받는 이유는 무엇인가? | , 2016). 이 중에 CO2의 사용은 온실 가스를 격리하는 추가적인 이점을 제공하기 때문에 널리 주목을 받고 있다. 중국에서는 석탄 발전소에서 많은 양의 CO2가 생성되며, 건조 지대에 대규모 셰일 매장량이 존재하기 때문에 CO2 파쇄법의 개발은 매우 중요하다(Wan, 2017, Zhao et al. |
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