Investigation of CO2 displacement oil with modified diffusion model in high water cut oil reservoir
文献类型：期刊论文
| 作者 | Jiang, Lanlan3; Xiang, Hongxu3; Xiaerbati3; Xu, Jintao3; Lv, Junchen2; Lei, Hongwu1; Wei, Ning1; Song, Yongchen3 |
| 刊名 | FUEL
 |
| 出版日期 | 2025-02-01 |
| 卷号 | 381页码:13 |
| 关键词 | CO2-EOR Mass transfer characteristics Pore structure Recovery efficiency |
| ISSN号 | 0016-2361 |
| DOI | 10.1016/j.fuel.2024.133616 |
| 英文摘要 | Many oilfields have entered a high-water content stage after years of water-driven extraction, leading to common multiphase coexistence scenarios. However, current studies mainly focus on two-phase flow, and the influence of CO2-oil-water three-phase flow diffusion is insufficiently addressed. In this study, a two-dimensional pore threephase flow-diffusion model was developed to simulate a more realistic exfoliation process. The effects of temperature, pressure, and injection velocity on the recovery rate were comparatively analyzed. The simulation results show that the modified model improves the recovery rate by 4.9% and the prediction accuracy by 20.8%, which is more consistent with the experimental results. Temperature significantly affects crude oil viscosity and transforms CO2 from the liquid to the supercritical state, enhancing mobility and recovery. Increased pressure raises CO2 solubility in oil and reduces clustered residual oil formation. Higher injection velocities create a greater driving effect, increasing breakthrough exits and improving recovery, though they may also result in less effective CO2 distribution horizontally or vertically, thus reducing recovery. The study, which investigates the influence of CO2-oil-water three-phase flow diffusion, is characterized by its methodological rigor. It not only considers the impact of the aqueous phase on CO2 oil displacement but also corrects the model error when diffusion is not considered, thereby enhancing the reliability of our findings and providing a reference for mass transfer studies in multi-liquid-phase systems at the pore scale. |
| 资助项目 | National Key Research and Development Program of China for Young Scientists[2023YFB4104100] ; National Natural Science Foundation of China[52176057] ; National Key Research and Development Program of China[2023YFB4104201] ; Shenzhen Science and Technology Program[JCYJ20220818095605012] ; Unveiling and Commanding Foundation of Liaoning Province[2023JH1/10400003] ; Liaoning Provincial Doctoral Research Start-up Fund[2023-BS-180] ; Young Changjiang Scholars programme of China |
| WOS研究方向 | Energy & Fuels ; Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:001356105100001 |
| 出版者 | ELSEVIER SCI LTD |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/43140]  |
| 专题 | 中科院武汉岩土力学所 |
| 通讯作者 | Song, Yongchen |
| 作者单位 | 1.Chinese Acad Sci, Inst Rock & Soil Mech, Wuhan 430071, Peoples R China 2.Shenyang Univ Chem Technol, Coll Chem Engn, Shenyang 110142, Peoples R China 3.Dalian Univ Technol, Key Lab Ocean Energy Utilizat & Energy Conservat, Minist Educ, Dalian 116024, Peoples R China |
| 推荐引用方式 GB/T 7714 | Jiang, Lanlan,Xiang, Hongxu,Xiaerbati,et al. Investigation of CO2 displacement oil with modified diffusion model in high water cut oil reservoir[J]. FUEL,2025,381:13. |
| APA | Jiang, Lanlan.,Xiang, Hongxu.,Xiaerbati.,Xu, Jintao.,Lv, Junchen.,...&Song, Yongchen.(2025).Investigation of CO2 displacement oil with modified diffusion model in high water cut oil reservoir.FUEL,381,13. |
| MLA | Jiang, Lanlan,et al."Investigation of CO2 displacement oil with modified diffusion model in high water cut oil reservoir".FUEL 381(2025):13. |
入库方式： OAI收割
来源：武汉岩土力学研究所
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