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| 題 名 | 二氧化碳封存引致蓋岩層變形與破裂分析=Analysis of Caprock Deformation and Fracturing Induced by CO₂ Storage |
|---|---|
| 作 者 | 吳柏林; 江劭敏; 謝妤君; 翁孟嘉; 譚志豪; 俞旗文; | 書刊名 | 中興工程 |
| 卷 期 | 170 2026.01[民115.01] |
| 頁 次 | 頁(D)1-(D)9 |
| 分類號 | 445.9 |
| 關鍵詞 | 碳封存; 鹽水層; 有限元素法; 水-力耦合; Carbon storage; Saline aquifers; Finite element method; Hydraulic-mechanical coupling; |
| 語 文 | 中文(Chinese) |
| 中文摘要 | 長期貯存二氧化碳之地層是否足夠穩定以及注入時是否會導致岩層變形、破裂,甚至誘發地震等新的環境衝 擊,是未來發展碳封存技術所要面臨之課題。本文以 COMSOL Multiphysics 有限元素軟體進行二氧化碳封存洩 漏之基準數值問題分析,比較各學術單位所分析出的洩漏比例,驗證本分析模型耦合之可行性。而後以基準數值 問題之模型為基礎,陸續修改模型相關滲透性模式,及考量毛細壓力所帶來的影響,並進行敏感度分析;提高注 入速率進行破壞因子分析並進一步探討蓋岩變形,根據不同灌注速率之分析結果評估灌注速率門檻值。 |
| 英文摘要 | The long-term stability of storage formations, as well as potential environmental impacts such as rock deformation, fracturing, and even induced seismicity during CO2 injection, remain critical challenges for the future development of carbon storage technology. This study employs the COMSOL Multiphysics finite element software to analyze benchmark numerical problems related to CO2 storage leakage. By comparing the leakage rates analyzed by various academic institutions, the feasibility of the coupled numerical model in this study is validated. Based on the benchmark numerical problem, the study further modifies permeability models and considers the effects of capillary pressure, followed by a sensitivity analysis. Additionally, the study examines the impact of increased injection rates on rock failure factors and caprock deformation. Finally, the injection rate threshold is evaluated based on the analysis results of different injection rates. |
本系統中英文摘要資訊取自各篇刊載內容。