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Large Scale Experimental Investigation on Influences of Reservoir Temperature and Production Pressure on Gas Production from Methane Hydrate in Sandy Sediment
Wang, Yi1,2,3; Feng, Jing-Chun1,2,3,4; Li, Xiao-Sen1,2,3; Zhang, Yu1,2,3; Chen, Zhao-Yang1,2,3
2016-04-01
发表期刊ENERGY & FUELS
卷号30期号:4页码:2760-2770
摘要The Pilot-Scale Hydrate Simulator (PHS), a three-dimensional 117.8 L pressure vessel, was applied to study the methane hydrate dissociation with different reservoir temperatures and different production pressures in the sandy sediment. The volume of the vessel is big enough to simulate the field-scale gas production from hydrate reservoir. The depressurization method and the depressurization assisted with heat stimulation method were performed as the hydrate dissociation methods. Three different temperatures, which are 4.7 degrees C, 8.8 degrees C, and 13.0 degrees C, were selected as the reservoir temperatures. The range of temperature in this work is the most common temperatures of hydrate reservoir in the ocean sediment. The experimental results indicate that, for the depressurization method, the temperature drop in the reservoir during hydrate dissociation is the key factor for the amount of hydrate dissociation in the depressurization (DP) stage and the rates of hydrate dissociation in the constant pressure (CP) stage, which can be enhanced by the increase of the temperature drop. With the same production pressure, rate of hydrate dissociation in the experiment with higher reservoir temperature is quicker. With a same pressure drop below hydrate dissociation pressure, the rate of hydrate dissociation in the experiment with the lower reservoir temperature is quicker. For the depressurization assisted with heat stimulation method, the hydrate dissociation rate in the heat stimulation (HS) stage mainly depends on the temperature difference between the injection temperature and the hydrate dissociation temperature corresponding to the production pressure. The larger temperature difference causes the larger hydrate dissociation rate in the HS stage. In addition, the effect of reservoir temperature on the rate of hydrate dissociation is smaller than that of production pressure in the HS stage.
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1021/acs.energyfuels.6b00020
研究领域[WOS]Energy & Fuels ; Engineering
关键词[WOS]DUAL HORIZONTAL WELLS ; POROUS-MEDIA ; THERMAL-STIMULATION ; PRODUCTION BEHAVIORS ; BEARING SEDIMENTS ; HYDROGEN STORAGE ; CARBON-DIOXIDE ; HEAT-TRANSFER ; 5-SPOT WELL ; PUFF METHOD
收录类别SCI
语种英语
WOS类目Energy & Fuels ; Engineering, Chemical
WOS记录号WOS:000374804400024
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/11279
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.Guangdong Key Lab New & Renewable Energy Res & De, Guangzhou 510640, Guangdong, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100083, Peoples R China
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Wang, Yi,Feng, Jing-Chun,Li, Xiao-Sen,et al. Large Scale Experimental Investigation on Influences of Reservoir Temperature and Production Pressure on Gas Production from Methane Hydrate in Sandy Sediment[J]. ENERGY & FUELS,2016,30(4):2760-2770.
APA Wang, Yi,Feng, Jing-Chun,Li, Xiao-Sen,Zhang, Yu,&Chen, Zhao-Yang.(2016).Large Scale Experimental Investigation on Influences of Reservoir Temperature and Production Pressure on Gas Production from Methane Hydrate in Sandy Sediment.ENERGY & FUELS,30(4),2760-2770.
MLA Wang, Yi,et al."Large Scale Experimental Investigation on Influences of Reservoir Temperature and Production Pressure on Gas Production from Methane Hydrate in Sandy Sediment".ENERGY & FUELS 30.4(2016):2760-2770.
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