Nonempirical fractal permeability model and experimental verification of hydrate-bearing sediments based on heterogeneous distribution of particles
文献类型：期刊论文
| 作者 | Peng, Hao3,5,6; Li, Xiao-Sen2,4,5,6; Chen, Zhao-Yang2,4,5,6; Ji, Hong-Fei1,5,6; Zhang, Yu2,4,5,6; You, Chang-Yu3,5,6 |
| 刊名 | GEOENERGY SCIENCE AND ENGINEERING
 |
| 出版日期 | 2024-06-01 |
| 卷号 | 237页码:18 |
| 关键词 | Natural gas hydrates Normalized permeability Fractal Porous media Pore morphology Heterogeneous |
| ISSN号 | 2949-8929 |
| DOI | 10.1016/j.geoen.2024.212773 |
| 通讯作者 | Chen, Zhao-Yang(chenzy@ms.giec.ac.cn) |
| 英文摘要 | The one of the factors limiting production of gas-water is affected by sediments ' permeability. Evaluating the normalized permeability ( K n ) of sediments containing hydrates is necessary for analyzing the saturation (decomposition level) and flow capacity. The mistakes in K n prediction are frequently brought about by the assumption such as homogenous particles distribution and ignoring microscopic pore structure. To address the issue, a fractal-based nonempirical prediction model of K n was developed by modeling, parameter acquisition using SEM and Analyzer, experiment validation, error comparison with published data, and sensitivity analysis for evolution, respectively. Assuming that sediment skeleton particles were misaligned spherical particles of equal diameter. The heterogeneity of sediments was described by the vertical and horizontal distance ratio ( m ) and offset angle ( theta ) of the particles. This led to a novel approach for determining average tortuosity ( tau av,0 ) and tortuosity fractal dimension ( D tau,0 ). The viability of the model was confirmed by permeability measurement experiments. Additionally, using the measuring function of SEM, the maximum pore diameter of sediments was obtained. Furthermore, a comparison with earlier data demonstrated the effect. Considering heterogeneity, the average accuracy of Geometric Mean Variance in K n has increased to 9.66%. Finally, each parameter ' s impact on prediction was examined. At m = 1.357, D tau,0 grows symmetrically. K n,GC varies 15 times more with an increase in D tau,0 than K n,PF . All findings indicate that the new model is more likely to be forecasted K n for a variety of systems, including clayey-silt, sand, and silty-sand system, and especially in reflecting the heterogeneity. |
| WOS关键词 | METHANE HYDRATE ; POROUS-MEDIA ; GAS-PRODUCTION ; FLOW ; CONDUCTIVITY ; PERCOLATION ; TORTUOSITY |
| 资助项目 | National Key R & D Program of China[2021YFC2800902] ; National Natural Science Foundation of China[51736009] ; Special Project for Marine Economy Development of Guangdong Province ; Guangdong Major Project of Basic and Applied Basic Research[202204910339] ; China Scholarship Council[GDNRC [2022] 43] ; [2020B0301030003] |
| WOS研究方向 | Energy & Fuels ; Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:001223349600001 |
| 出版者 | ELSEVIER |
| 资助机构 | National Key R & D Program of China ; National Natural Science Foundation of China ; Special Project for Marine Economy Development of Guangdong Province ; Guangdong Major Project of Basic and Applied Basic Research ; China Scholarship Council |
| 源URL | [http://ir.giec.ac.cn/handle/344007/41697]  |
| 专题 | 中国科学院广州能源研究所 |
| 通讯作者 | Chen, Zhao-Yang |
| 作者单位 | 1.Univ Sci & Technol China, Sch Energy Sci & Engn, Hefei, Peoples R China 2.CNOOC Res Inst, State Key Lab Nat Gas Hydrates, Beijing 100028, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 4.Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou 510640, Guangdong, Peoples R China 5.CAS Key Lab Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China 6.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China |
| 推荐引用方式 GB/T 7714 | Peng, Hao,Li, Xiao-Sen,Chen, Zhao-Yang,et al. Nonempirical fractal permeability model and experimental verification of hydrate-bearing sediments based on heterogeneous distribution of particles[J]. GEOENERGY SCIENCE AND ENGINEERING,2024,237:18. |
| APA | Peng, Hao,Li, Xiao-Sen,Chen, Zhao-Yang,Ji, Hong-Fei,Zhang, Yu,&You, Chang-Yu.(2024).Nonempirical fractal permeability model and experimental verification of hydrate-bearing sediments based on heterogeneous distribution of particles.GEOENERGY SCIENCE AND ENGINEERING,237,18. |
| MLA | Peng, Hao,et al."Nonempirical fractal permeability model and experimental verification of hydrate-bearing sediments based on heterogeneous distribution of particles".GEOENERGY SCIENCE AND ENGINEERING 237(2024):18. |
入库方式： OAI收割
来源：广州能源研究所
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