Two-phase gravity currents in layered porous media
Two-phase gravity currents in layered porous media
复制标题
层状多孔介质中的两相重力流
DOI:
10.1017/jfm.2021.523
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发表时间:
2021
影响因子:
3.7
通讯作者:
Benham G
中科院分区:
文献类型:
--
作者:
Benham G
We examine the effects of horizontally layered heterogeneities on the spreading of two-phase gravity currents in a porous medium, with application to numerous environmental flows, most notably geological carbon sequestration. Heterogeneities, which are ubiquitous within geological reservoirs, affect the large-scale propagation of two-phase flows through the action of small-scale capillary forces, yet the relationship between these small- and large-scale processes is poorly understood. Here, we derive a simple upscaled model for a gravity current under an impermeable cap rock, which we use to investigate the effect of a wide range of centimetre-scale heterogeneities on kilometre-scale plume migration. By parameterising in terms of different types of archetypal layering, we assess the sensitivity of the gravity current to the distribution and magnitude of these heterogeneities. Furthermore, since field measurements of heterogeneities are often sparse or incomplete, we quantify how uncertainty in such measurements manifests as uncertainty in the macroscale flow predictions. Using realistic parameter values, we demonstrate that heterogeneities can enhance plume migration speeds by as much as 200 %, and that uncertainty in field measurements can have dramatic consequences on flow predictions, particularly in post-injection scenarios where the role of capillary forces in heterogeneities is accentuated.
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DOI:
--
发表时间:
1992
期刊:
影响因子:
--
作者:
P. Corbett;J. Jensen
通讯作者:
J. Jensen
影响因子:
5.3
作者:
S. Jackson;S. Krevor
通讯作者:
S. Krevor
影响因子:
3.7
作者:
M. J. Golding;H. Huppert;J. Neufeld
通讯作者:
J. Neufeld
影响因子:
3.7
作者:
Sarah Lyle;H. Huppert;Mark A. Hallworth;M. Bickle;A. Chadwick
通讯作者:
A. Chadwick
DOI:
10.1016/j.egypro.2017.03.1406
发表时间:
2017-07
期刊:
Energy Procedia
影响因子:
--
作者:
G. Williams;Andrew Chadwick
通讯作者:
G. Williams;Andrew Chadwick