Knowledge Management System Of Guangzhou Institute of Energy Conversion, CAS
| Experimental and Modeling Study of Kinetics for Hydrate Decomposition Induced by Depressurization in a Porous Medium | |
Ruan, Xuke1,2; Xu, Chun-Gang1,2; Yan, Ke-Feng1,2 ; Li, Xiao-Sen1,2
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| 2021-12-20 | |
| Source Publication | FRONTIERS IN ENERGY RESEARCH
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| ISSN | 2296-598X |
| Volume | 9Pages:16 |
| Corresponding Author | Li, Xiao-Sen(lixs@ms.giec.ac.cn) |
| Abstract | The hydrate decomposition kinetics is a key factor for the gas production from hydrate-saturated porous media. Meanwhile, it is also related to other factors. Among them, the permeability and hydrate dissociation surface area on hydrate dissociation kinetics have been studied experimentally and numerically in this work. First, the permeability to water was experimentally determined at different hydrate saturations (0%, 10%, 17%, 21%, 34%, 40.5%, and 48.75%) in hydrate-bearing porous media. By the comparison of permeability results from the experimental measurements and theoretical calculations with the empirical permeability models, it was found that, for the lower hydrate saturations (less than 40%), the experimental results of water permeability are closer to the predicted values of the grain-coating permeability model, whereas, for the hydrate saturation above 40%, the tendencies of hydrate accumulation in porous media are quite consistent with the pore-filling hydrate habits. A developed two-dimensional core-scale numerical code, which incorporates the models for permeability and hydrate dissociation surface area along with the hydrate accumulation habits in porous media, was used to investigate the kinetics of hydrate dissociation by depressurization, and a "shrinking-core" hydrate dissociation driven by the radial heat transfer was found in the numerical simulations of hydrate dissociation induced by depressurization in core-scale porous media. The numerical results indicate that the gas production from hydrates in porous media has a strong dependence on the permeability and hydrate dissociation surface area. Meanwhile, the simulation shows that the controlling factor for the dissociation kinetics of hydrate switches from permeability to hydrate dissociation surface area depending on the hydrate saturation and hydrate accumulation habits in porous media. |
| Keyword | gas hydrate decomposition kinetics surface area permeability hydrate saturation hydrate accumulation habit numerical simulation depressurization |
| DOI | 10.3389/fenrg.2021.779635 |
| WOS Keyword | GAS-PRODUCTION BEHAVIOR ; METHANE HYDRATE ; CARBON-DIOXIDE ; NUMERICAL-SIMULATION ; SURFACE-AREA ; COMBINING DEPRESSURIZATION ; INDUCED DISSOCIATION ; BEARING SEDIMENTS ; PHASE-EQUILIBRIA ; MACKENZIE DELTA |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | Guangdong Major project of Basic and Applied Basic Research[2020B0301030003] ; Key Program of National Natural Science Foundation of China[51736009] ; Guangdong Special Support Program-Local Innovation and Entrepreneurship Team Project[2019BT02L278] ; Special Project for Marine Economy Development of Guangdong Province[GDME-2018D002] ; Science and Technology Apparatus Development Program of the Chinese Academy of Sciences[YZ201619] ; Frontier Sciences Key Research Program of the Chinese Academy of Sciences[QYZDJ-SSW-JSC033] ; Frontier Sciences Key Research Program of the Chinese Academy of Sciences[QYZDB-SSW-JSC028] ; Program of CAS Key Laboratory of Gas Hydrate[E1290201] ; Science and Technology Program of Guangzhou[202102080159] |
| WOS Research Area | Energy & Fuels |
| Funding Organization | Guangdong Major project of Basic and Applied Basic Research ; Key Program of National Natural Science Foundation of China ; Guangdong Special Support Program-Local Innovation and Entrepreneurship Team Project ; Special Project for Marine Economy Development of Guangdong Province ; Science and Technology Apparatus Development Program of the Chinese Academy of Sciences ; Frontier Sciences Key Research Program of the Chinese Academy of Sciences ; Program of CAS Key Laboratory of Gas Hydrate ; Science and Technology Program of Guangzhou |
| WOS Subject | Energy & Fuels |
| WOS ID | WOS:000738878900001 |
| Publisher | FRONTIERS MEDIA SA |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.giec.ac.cn/handle/344007/35621 |
| Collection | 中国科学院广州能源研究所 |
| Corresponding Author | Li, Xiao-Sen |
| Affiliation | 1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou, Peoples R China 2.Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou, Peoples R China |
| First Author Affilication | GuangZhou Institute of Energy Conversion,Chinese Academy of Sciences |
| Recommended Citation GB/T 7714 | Ruan, Xuke,Xu, Chun-Gang,Yan, Ke-Feng,et al. Experimental and Modeling Study of Kinetics for Hydrate Decomposition Induced by Depressurization in a Porous Medium[J]. FRONTIERS IN ENERGY RESEARCH,2021,9:16. |
| APA | Ruan, Xuke,Xu, Chun-Gang,Yan, Ke-Feng,&Li, Xiao-Sen.(2021).Experimental and Modeling Study of Kinetics for Hydrate Decomposition Induced by Depressurization in a Porous Medium.FRONTIERS IN ENERGY RESEARCH,9,16. |
| MLA | Ruan, Xuke,et al."Experimental and Modeling Study of Kinetics for Hydrate Decomposition Induced by Depressurization in a Porous Medium".FRONTIERS IN ENERGY RESEARCH 9(2021):16. |
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