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Exploring residual CO2 trapping in Heletz sandstone using pore-network modeling and a realistic pore-space topology obtained from a micro-CT scan
Greenhouse Gases: Science and Technology ( IF 2.7 ) Pub Date : 2021-06-04 , DOI: 10.1002/ghg.2100
Kristina Rasmusson 1 , Maria Rasmusson 1 , Alexandru Tatomir 1, 2 , Yvonne Tsang 1, 3 , Auli Niemi 1
Affiliation  

Geological storage of CO2 in deep saline aquifers mitigates atmospheric emissions. In situ storage is facilitated by several trapping mechanisms including residual trapping, which plays a major role in the containment of CO2. Understanding the underlying mechanisms of residual trapping is crucial for planning storage projects. Of special interest is the relationship between the initial and residual CO2 saturations—the so-called IR curve, needed for predictive macroscopic-scale simulations.

中文翻译:

使用孔隙网络模型和从微 CT 扫描获得的真实孔隙空间拓扑结构探索 Heletz 砂岩中残留的 CO2 捕集

CO 2在深部咸水层中的地质储存可减轻大气排放。多种捕集机制促进了原位储存,包括残余捕集,其在 CO 2的遏制中起主要作用。了解残留捕获的潜在机制对于规划存储项目至关重要。特别令人感兴趣的是初始和残余 CO 2饱和度之间的关系——即所谓的 IR 曲线,用于预测性宏观尺度模拟。
更新日期:2021-06-04
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