Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1002/2017WR022159 |
Assessment of CO2 Storage Potential in Naturally Fractured Reservoirs With Dual-Porosity Models | |
March, Rafael; Doster, Florian; Geiger, Sebastian | |
2018-03-01 | |
发表期刊 | WATER RESOURCES RESEARCH |
ISSN | 0043-1397 |
EISSN | 1944-7973 |
出版年 | 2018 |
卷号 | 54期号:3页码:1650-1668 |
文章类型 | Article |
语种 | 英语 |
国家 | Scotland |
英文摘要 | Naturally Fractured Reservoirs (NFR's) have received little attention as potential CO2 storage sites. Two main facts deter from storage projects in fractured reservoirs: (1) CO2 tends to be nonwetting in target formations and capillary forces will keep CO2 in the fractures, which typically have low pore volume; and (2) the high conductivity of the fractures may lead to increased spatial spreading of the CO2 plume. Numerical simulations are a powerful tool to understand the physics behind brine-CO2 flow in NFR's. Dual-porosity models are typically used to simulate multiphase flow in fractured formations. However, existing dual-porosity models are based on crude approximations of the matrix-fracture fluid transfer processes and often fail to capture the dynamics of fluid exchange accurately. Therefore, more accurate transfer functions are needed in order to evaluate the CO2 transfer to the matrix. This work presents an assessment of CO2 storage potential in NFR's using dual-porosity models. We investigate the impact of a system of fractures on storage in a saline aquifer, by analyzing the time scales of brine drainage by CO2 in the matrix blocks and the maximum CO2 that can be stored in the rock matrix. A new model to estimate drainage time scales is developed and used in a transfer function for dual-porosity simulations. We then analyze how injection rates should be limited in order to avoid early spill of CO2 (lost control of the plume) on a conceptual anticline model. Numerical simulations on the anticline show that naturally fractured reservoirs may be used to store CO2. |
英文关键词 | geological storage of CO2 dual-porosity models naturally fractured reservoirs numerical simulation upscaling |
领域 | 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000430364900014 |
WOS关键词 | 2-PHASE FLOW ; SIMULATION ; CARBONATE ; IMBIBITION ; AQUIFERS ; SALAH |
WOS类目 | Environmental Sciences ; Limnology ; Water Resources |
WOS研究方向 | Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/19997 |
专题 | 资源环境科学 |
作者单位 | Heriot Watt Univ, Inst Petr Engn, Edinburgh, Midlothian, Scotland |
推荐引用方式 GB/T 7714 | March, Rafael,Doster, Florian,Geiger, Sebastian. Assessment of CO2 Storage Potential in Naturally Fractured Reservoirs With Dual-Porosity Models[J]. WATER RESOURCES RESEARCH,2018,54(3):1650-1668. |
APA | March, Rafael,Doster, Florian,&Geiger, Sebastian.(2018).Assessment of CO2 Storage Potential in Naturally Fractured Reservoirs With Dual-Porosity Models.WATER RESOURCES RESEARCH,54(3),1650-1668. |
MLA | March, Rafael,et al."Assessment of CO2 Storage Potential in Naturally Fractured Reservoirs With Dual-Porosity Models".WATER RESOURCES RESEARCH 54.3(2018):1650-1668. |
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