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首页> 外文会议>International Conference on Greenhouse Gas Control Technologies >THE IEA WEYBURN CO_2 MONITORING AND STORAGE PROJECT - MODELING OF THE LONG-TERM MIGRATION OF CO_2 FROM WEYBURN
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THE IEA WEYBURN CO_2 MONITORING AND STORAGE PROJECT - MODELING OF THE LONG-TERM MIGRATION OF CO_2 FROM WEYBURN

机译：IEA Weyburn Co_2监控和存储项目 - 从Weyburn的Co_2长期迁移的建模

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This paper details the models and results of the assessment of the long-term fate of CO_2 injected into the Weyburn field for Enhanced Oil Recovery (EOR) operations. A System Model was established to define the spatial and temporal extents of the assessment. The Base Scenario was developed to identify key processes, features, and events (FEPs) for the expected evolution of the storage system. A compositional reservoir simulator with equations-of-states (EOS) was used as the modeling tool in order to simulate multiphase, multi-component flow and transport coupled with CO_2 mass partitioning into all three phases. We apply a deterministic treatment to CO_2 migration in the geosphere (natural pathways), whereas the variability of abandoned wells (man-made pathways) necessitates a stochastic treatment. The results show that the geosphere is able to contain the injected CO_2 for at least 5000 yrs, i.e., no CO_2 enters the potable aquifers through natural pathways and media. The well results show that the likely cumulative leakage via all the existing wells in the field is less than 0.001% of the CO_2-in-place at the end of EOR.
机译：本文详细说明了评估CO_2的长期命运的模型和结果，注入了韦伊恩领域，以增强石油恢复（EOR）业务。建立了一个系统模型，以定义评估的空间和时间范围。基本方案是开发的，用于识别存储系统的预期演变的关键进程，功能和事件（FEP）。用州方程式（EOS）的组成储层模拟器用作建模工具，以模拟多相，多分量流量和传输与CO_2质量分配到所有三个阶段。我们在地理学（天然途径）中对CO_2迁移的确定性治疗应用，而废弃井（人造途径）的可变性需要随机治疗。结果表明，地理学能够含有至少5000yrs的注射的CO_2，即，没有CO_2通过天然途径和媒体进入饮用含水层。井的结果表明，通过现有井的所有现有井的累积泄漏小于EOR末端的CO_2的0.001％。

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