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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.1
- 수록면
- 188 - 196 (9page)
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초록· 키워드
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One of the essential concerns in CO2 storage is the risk of CO2 leakage from the storage site. The characterization of the properties of the caprock and aquifers influencing the leakage of CO2 from storage sites into overlying formations is of significant importance. Considering solubility trapping and residual gas trapping mechanisms, numerical simulations were conducted to evaluate and understand the effects of the properties of the storage formations associated with leakage through the caprock. Based on the results, a sensitivity analysis was carried out under a wide range of variation in these properties. The formation properties included permeability and porosity of caprock and aquifer, formation dip, vertical-to-horizontal permeability ratio, salinity, and temperature. According to the simulation results, the amount of leakage increased with an increase in the permeability of the caprock and aquifer, the vertical-to-horizontal permeability ratio, and the temperature. The amount of leakage decreased with an increase in the dip angle and aquifer porosity. The sensitivity analysis indicated that the permeability of caprock, the vertical to horizontal permeability, and the dip angle had the greatest effect on the CO2 leakage. They also influenced the effects of the other properties on storage security.
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참고문헌 (19)
참고문헌 신청
Akaku, K. / 2008 / Numerical simulation of CO₂storage in aquifers without trapping structures / Paper 12304presented at the International Petroleum Technology
Bachu, S. / 2008 / CO₂storage in geological media: Role, means, status and barriers to deployment / Progress in Energy and Combustion Science 34:254~273
Bickle, M. / 2007 / Modelling carbon dioxide accumulation at Sleipner : Implications for underground carbon storage / Earth and Planetary Science Letters 255:164~176
Busch, A. / 2010 / The significance of caprock sealing integrity for CO₂storage / Paper 139588 presented at the SPE International Conference on CO₂
Computer Modelling Group / 2015 / GEM user guide:Compositional & unconventional reservoir simulator / Computer Modeling Group
Bachu, S. / 2008 / CO₂storage in geological media: Role, means, status and barriers to deployment / Progress in Energy and Combustion Science 34:254~273
Bickle, M. / 2007 / Modelling carbon dioxide accumulation at Sleipner : Implications for underground carbon storage / Earth and Planetary Science Letters 255:164~176
Busch, A. / 2010 / The significance of caprock sealing integrity for CO₂storage / Paper 139588 presented at the SPE International Conference on CO₂
Computer Modelling Group / 2015 / GEM user guide:Compositional & unconventional reservoir simulator / Computer Modeling Group
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