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Investigation into optimization condition of thermal stimulation for hydrate dissociation in the sandy reservoir
Feng, Jing-Chun1,2,3; Wang, Yi1,2; Li, Xiao-Sen1,2; Chen, Zhao-Yang1,2; Li, Gang1,2; Zhang, Yu1,2
2015-09-15
Source PublicationAPPLIED ENERGY
Volume154Pages:995-1003
AbstractInvestigation of the optimal injection temperature for the hydrate dissociation plays a significant role in the gas hydrate exploitation in the practical field. In this work, the experiments of hydrate dissociation by depressurization in conjunction with thermal stimulation (DT) with the different injection temperatures are carried out in a Cubic Hydrate Simulator (CHS). Evaluation of the entropy production minimization (EPM), the energy ratio and the thermal efficiency are employed to investigate into the optimized injection temperature for hydrate dissociation. The thermal efficiency decreases with the increase of the injection temperature. The optimal injection temperatures for the hydrate dissociation from the points of the maximization of the energy ratio and the minimization of the entropy production, which are equivalent to maximizing the energy production and minimizing the energy consumption, respectively, are 38.8 degrees C and 37.9 degrees C. The results of evaluations from the two aspects are in a quite good agreement. Thus, the warm water injection of approximately 38-39 degrees C is suitable for hydrate dissociation with the DT method, and the hot water injection beyond 39 degrees C is uneconomical for hydrate dissociation. (C) 2015 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordHydrate Depressurization Thermal Stimulation Optimization Energy Ratio Entropy Production
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.apenergy.2015.05.106
WOS Subject ExtendedEnergy & Fuels ; Engineering
WOS KeywordGAS-PRODUCTION ; METHANE-HYDRATE ; POROUS-MEDIA ; PRODUCTION BEHAVIORS ; ENTROPY GENERATION ; ENERGY-STORAGE ; CARBON-DIOXIDE ; FLUID-FLOW ; DEPRESSURIZATION ; HEAT
Indexed BySCI
Language英语
WOS SubjectEnergy & Fuels ; Engineering, Chemical
WOS IDWOS:000359875100093
Citation statistics
Cited Times:26[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10849
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Guangzhou Ctr Gas Hydrate Res, Guangzhou 510640, Guangdong, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100083, Peoples R China
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Feng, Jing-Chun,Wang, Yi,Li, Xiao-Sen,et al. Investigation into optimization condition of thermal stimulation for hydrate dissociation in the sandy reservoir[J]. APPLIED ENERGY,2015,154:995-1003.
APA Feng, Jing-Chun,Wang, Yi,Li, Xiao-Sen,Chen, Zhao-Yang,Li, Gang,&Zhang, Yu.(2015).Investigation into optimization condition of thermal stimulation for hydrate dissociation in the sandy reservoir.APPLIED ENERGY,154,995-1003.
MLA Feng, Jing-Chun,et al."Investigation into optimization condition of thermal stimulation for hydrate dissociation in the sandy reservoir".APPLIED ENERGY 154(2015):995-1003.
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