Quantification of fluid migration via faults requires two-way coupled hydromechanical simulations

被引：2

作者：

Chabab, Elena ^{[1
]}

Kempka, Thomas ^{[1
]}

机构：

[1] GFZ German Res Ctr Geosci, Fluid Syst Modelling, D-14473 Potsdam, Germany

来源：

EUROPEAN GEOSCIENCES UNION GENERAL ASSEMBLY 2016 | 2016年 / 97卷

关键词：

Subsurface fluid storage; fault fluid migration; fault reactivation; hydromechanical simulations; one-way coupling; two-way coupling; CO2 STORAGE SITE; INJECTION; GEOMECHANICS; PERMEABILITY; COMPACTION; GERMANY; ZONES; FLOW;

D O I：

10.1016/j.egypro.2016.10.025

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Subsurface storage of fluids triggers pressure and volume changes in reservoirs, caprocks and faults. In this context, hydraulic fault conductivity can increase by several orders of magnitude, promoting upward migration of reservoir fluids into shallow freshwater aquifers. In the present study, we compared one-way and two-way hydromechanical couplings to quantify the impacts of subsurface fluid storage on fluid migration via a fault. Our simulation results emphasize the requirement of two-way coupled hydromechanical simulations, since neglecting petrophysical changes in the one-way coupling leads to an underestimation of fault pressure gradients, and thus fluid migration. (C) 2016 The Authors. Published by Elsevier Ltd.

引用

页码：372 / 378

页数：7

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