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Modeling of the Coupled Hydro-Mechanical Response of Geological Sequestration Reservoirs Due to CO_2 Injection

机译：注入CO_2引起的地质固储储层水力耦合响应模拟

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This paper presents the results of computer modeling to predict the response of GS (Geological Sequestration) reservoirs to CO_2 injection. Coupled H-M (Hydro-Mechanical) modeling is conducted using the computer code FLAC (Fast Langrangian Analysis of Continua) developed by Itasca (2011) and applied to the CO_2 GS project in the In Salah Gas Field in Algeria. The modeling focused on the H-M response such as the spread of the CO_2 plume, time history of pore pressure increase, and ground surface uplift, which are compared with available field monitoring data and previous modeling studies of the In Salah CO_2 GS Project. In addition, the potential for mechanical failure and eventual CO_2 leakage through the caprock in the In Salah field is analyzed using a critical pressure approach.
机译：本文介绍了计算机建模的结果，以预测GS（地质固存）储层对CO_2注入的响应。使用Itasca（2011）开发的计算机代码FLAC（连续性的快速朗朗日分析）进行H-M（液压-机械）耦合建模，并将其应用于阿尔及利亚In Salah气田的CO_2 GS项目。该建模专注于H-M响应，例如CO_2羽流的扩散，孔隙压力增加的时间历史和地表隆升，并与可用的现场监测数据和In Salah CO_2 GS项目的先前建模研究进行了比较。此外，使用临界压力方法分析了在In Salah油田通过盖层造成机械故障和最终CO_2泄漏的可能性。

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