DERIVATION OF VERTICAL EQUILIBRIUM MODELS FOR CO2 MIGRATION FROM PORE SCALE EQUATIONS

被引：0
作者：
Gray, William G. [1 ]
Herrera, Paulo A. [2 ]
Gasda, Sarah E. [1 ]
Dahle, Helge K. [3 ]
机构：
[1] Univ N Carolina, Chapel Hill, NC 27599 USA
[2] Uni CIPR, N-5020 Bergen, Norway
[3] Univ Bergen, Dept Math, N-5008 Bergen, Norway
来源：
INTERNATIONAL JOURNAL OF NUMERICAL ANALYSIS AND MODELING | 2012年 / 9卷 / 03期
基金：
美国国家科学基金会;
关键词：
vertical equilibrium; carbon sequestration; multiphase flow; porous media; numerical simulation; ECLIPSE; CARBON-DIOXIDE; SALINE AQUIFERS; GEOLOGICAL STORAGE; GRAVITY CURRENTS; INTERFACE; INJECTION; SLEIPNER; SEQUESTRATION; SIMULATION; CONVECTION;
D O I：
暂无
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
Equations describing flow in porous media averaged to allow for lateral spatial variability but integrated over the vertical dimension are derived from pore scale equations. Under conditions of vertical equilibrium, the equations are simplified and employed to describe migration of CO2 injected into an aquifer of variable thickness. The numerical model based on the vertical equilibrium equations is shown to agree well with a fully three-dimensional model. Trapping of CO2 in undulations at the top of the aquifer is shown to retard CO2 migration.
引用
收藏
页码：745 / 776
页数：32
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