globalchange  > 气候减缓与适应
DOI: 10.1002/grl.50658
论文题名:
Pore-scale trapping of supercritical CO2 and the role of grain wettability and shape
作者: Chaudhary K.; Bayani Cardenas M.; Wolfe W.W.; Maisano J.A.; Ketcham R.A.; Bennett P.C.
刊名: Geophysical Research Letters
ISSN: 0094-8749
EISSN: 1944-8480
出版年: 2013
卷: 40, 期:15
起始页码: 3878
结束页码: 3882
语种: 英语
英文关键词: CO2 capillary trapping ; grain shape ; pore-scale ; two-phase flow ; wettability ; X-ray CT scanning
Scopus关键词: CO2 capillary trapping ; Geologic sequestrations ; Grain shapes ; pore-scale ; Preferential flows ; Reservoir conditions ; Supercritical CO ; X-ray CT ; Groundwater flow ; Reservoirs (water) ; Water injection ; Wetting ; Carbon dioxide ; brine ; carbon dioxide ; flooding ; pore space ; porous medium ; preferential flow ; supercritical flow ; wettability
英文摘要: The capillary trapping of supercritical CO2 (s-CO2) is postulated to comprise up to 90% of permanently trapped CO2 injected during geologic sequestration. Successive s-CO2/brine flooding experiments under reservoir conditions showed that water-wet rounded beads trapped 15% of injected s-CO2 both as clusters and as individual ganglia, whereas CO2-wet beads trapped only 2% of the injected s-CO2 as minute pockets in pore constrictions. Angular water-wet grains trapped 20% of the CO2 but flow was affected by preferential flow. Thus, capillary trapping is a viable mechanism for the permanent CO2 storage, but its success is constrained by the media wettability. © 2013. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84880873444&doi=10.1002%2fgrl.50658&partnerID=40&md5=d0ecac4dcbf9f16799196843dcabe9e3
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/6013
Appears in Collections:气候减缓与适应

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作者单位: Department of Geological Sciences, University of Texas at Austin, 2275 Speedway Stop C9000, Austin, TX 78712, United States

Recommended Citation:
Chaudhary K.,Bayani Cardenas M.,Wolfe W.W.,et al. Pore-scale trapping of supercritical CO2 and the role of grain wettability and shape[J]. Geophysical Research Letters,2013-01-01,40(15).
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