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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
发表期刊ENERGY
卷号90
摘要In 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.
文章类型Article
关键词Methane Hydrate Experiment Numerical Simulation Depressurization Warm Water Stimulation Horizontal Well
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.energy.2015.07.110
研究领域[WOS]Thermodynamics ; Energy & Fuels
关键词[WOS]QILIAN MOUNTAIN PERMAFROST ; INDUCED GAS-PRODUCTION ; SOUTH CHINA SEA ; METHANE HYDRATE ; THERMAL-STIMULATION ; POROUS-MEDIA ; PUFF METHOD ; PRODUCTION BEHAVIORS ; CARBON-DIOXIDE ; VERTICAL WELL
收录类别SCI
语种英语
WOS类目Thermodynamics ; Energy & Fuels
WOS记录号WOS:000364248100077
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10885
专题中国科学院广州能源研究所
作者单位1.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
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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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