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Three dimensional experimental and numerical investigations into hydrate dissociation in sandy reservoir with dual horizontal wells
Feng, Jing-Chun1,2,3; Wang, Yi1,2; Li, Xiao-Sen1,2; Li, Gang1,2; Zhang, Yu1,2
2015-10-01
Source PublicationENERGY
Volume90
AbstractIn this study, both three dimensional experimental and numerical investigations of hydrate dissociation have been carried out by depressurization in conjunction with warm water stimulation using dual horizontal wells. Hydrate has been synthesized in the porous sediment in a CHS (Cubic Hydrate Simulator). The results of gas and water production, hydrate dissociation, and temperature distribution by numerical simulation are in good agreement with the experimental results. The results show that hydrate dissociation evolves by means of ablation with double-moving boundary. One dissociation interface moves from the injection well to the neighboring regions, and the other dissociation interface spreads from the boundary to the central reservoir. The assessment of the energy ratio shows that the depressurization in conjunction with warm water stimulation using dual horizontal wells is a promising method for hydrate dissociation. Sensitivity analyses show that raising the injection temperature causes a sharply decline of energy ratio, although it increases the gas production rate at a certain time. Additionally, reducing the intrinsic permeability of the reservoir can decrease the energy ratio and increase the time for the completion of hydrate dissociation. (C) 2015 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordMethane Hydrate Experiment Numerical Simulation Depressurization Warm Water Stimulation Horizontal Well
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.energy.2015.07.110
WOS Subject ExtendedThermodynamics ; Energy & Fuels
WOS KeywordQILIAN MOUNTAIN PERMAFROST ; INDUCED GAS-PRODUCTION ; SOUTH CHINA SEA ; METHANE HYDRATE ; THERMAL-STIMULATION ; POROUS-MEDIA ; PUFF METHOD ; PRODUCTION BEHAVIORS ; CARBON-DIOXIDE ; VERTICAL WELL
Indexed BySCI
Language英语
WOS SubjectThermodynamics ; Energy & Fuels
WOS IDWOS:000364248100077
Citation statistics
Cited Times:21[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10885
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Key Lab Gas Hydrate, Guangzhou Inst Energy Convers, 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
Recommended Citation
GB/T 7714
Feng, Jing-Chun,Wang, Yi,Li, Xiao-Sen,et al. Three dimensional experimental and numerical investigations into hydrate dissociation in sandy reservoir with dual horizontal wells[J]. ENERGY,2015,90.
APA Feng, Jing-Chun,Wang, Yi,Li, Xiao-Sen,Li, Gang,&Zhang, Yu.(2015).Three dimensional experimental and numerical investigations into hydrate dissociation in sandy reservoir with dual horizontal wells.ENERGY,90.
MLA Feng, Jing-Chun,et al."Three dimensional experimental and numerical investigations into hydrate dissociation in sandy reservoir with dual horizontal wells".ENERGY 90(2015).
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