Constructing Three-Phase Capillary Pressure Functions by Parameter Matching Using a Modified Ensemble Kalman Filter

被引：3
|
作者：
Holm, Randi [1 ]
Kaufmann, Roland [1 ]
Dale, Elisabeth Iren [1 ]
Aanonsen, Sigurd [1 ]
Fladmark, Gunnar E. [1 ]
Espedal, Magne [1 ]
Skauge, Arne [1 ]
机构：
[1] Univ Bergen, Ctr Integrated Petr Res, N-5020 Bergen, Norway
来源：
COMMUNICATIONS IN COMPUTATIONAL PHYSICS | 2009年 / 6卷 / 01期
关键词：
Ensemble Kalman Filter (EnKF); three-phase porous media flow; capillary pressure; parameter matching;
D O I：
10.4208/cicp.2009.v6.p24
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Usually extended two-phase capillary pressures are used in three-phase simulations, because three-phase capillary pressures are not possible or hard to measure. In this work three-phase capillary pressure surfaces are created by at pore network model. The input parameters to this network model are found by matching two-phase capillary pressure curves. This matching is done with a slightly modified EnKF routine. Tables with three-phase capillary pressures are created and used as input to flow simulations.
引用
收藏
页码：24 / 48
页数：25
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