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Geological characterization and numerical modelling of CO2 storage in an aquifer structure offshore Guangdong Province, China
Li, Pengchun; Zhang, Yunfan; Zhou, Di; Liang, Xi1
2018
Source PublicationEnergy Procedia
ISSN1876-6102
Volume154Pages:48
AbstractThe Lufeng (LF) 2-1 structure, which is the largest anticlinal structure developed in the Zhu I depression of the Pearl River Mouth Basin, offers high -quality source -sink matching with onshore CO2 emissions. In this paper, a 3D model using the TOUGH2/ECO2N tool was developed based on typical formation parameters obtained from a review of well and seismic structural data. Numerical results indicated that doubling the injection quantity does not result in a doubling of the CO2 distribution, which suggests the presence of nonlinear variations between the two variables. The CO2 plumes remain within the LF2-1 structural trap based on injection rates of either 1 Mt/y or 2 Mt/y. The maximum increase in formation pressure is less than 2 bars, which is 0.9% of the primary formation pressure. Therefore, the reservoir and seal properties of LF2-1 are optimal, which suggests that the prospect of injecting and storing a total of 40 Mt of CO2 is good. Overall, the LF2-1 may be used as a suitable offshore site for large-scale storage of industrial CO2 in deep saline aquifers. Additionally, the findings can guide site selection decisions in Guangdong Province for offshore CO2 geological storage demonstrations. (C) 2018 The Authors. Published by Elsevier Ltd.
DepartmentOMG
KeywordCO2 storage saline aquifer numerical modelling LF2-1 structrure offshore Guangdong Province
DOI10.1016/j.egypro.2018.11.009
Citation statistics
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/17991
Collection中科院边缘海地质重点实验室
Affiliation1.South China Sea Inst Oceanol, CAS Key Lab Ocean & Marginal Sea Geol, Guangzhou 510301, Guangdong, Peoples R China
2.UK China Guangdong CCUS Ctr, Guangzhou 510663, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Li, Pengchun,Zhang, Yunfan,Zhou, Di,et al. Geological characterization and numerical modelling of CO2 storage in an aquifer structure offshore Guangdong Province, China[J]. Energy Procedia,2018,154:48, 53.
APA Li, Pengchun,Zhang, Yunfan,Zhou, Di,&Liang, Xi.(2018).Geological characterization and numerical modelling of CO2 storage in an aquifer structure offshore Guangdong Province, China.Energy Procedia,154,48.
MLA Li, Pengchun,et al."Geological characterization and numerical modelling of CO2 storage in an aquifer structure offshore Guangdong Province, China".Energy Procedia 154(2018):48.
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