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Methane Hydrate Formation in Marine Sediment from South China Sea with Different Water Saturations
Zhang, Yu1,2,3,4; Li, Xiaosen1,2,3,4; Wang, Yi1,2,3,4; Chen, Zhaoyang1,2,3,4; Li, Gang1,2,3,4
2017-04-01
发表期刊ENERGIES
卷号10期号:4
摘要The kinetics of methane hydrate formation in marine sediments with different water saturations are important to assess the feasibility of the hydrate production and understand the process of the secondary hydrate formation in the gas production from hydrate reservoir. In this paper, the behaviors of methane hydrate formation in marine sediments from the South China Sea at different water saturation levels were experimentally studied in isobaric conditions. The marine sediments used in the experiments have the mean pore diameter of 12.178 nm, total pore volume of 4.997 x 10(-2) mL/g and surface area of 16.412 m(2)/g. The volume fraction of water in the marine sediments ranges from 30% to 50%. The hydrate formation rate and the final water conversion increase with the decrease of the formation temperature at the water saturation of 40%. At the same experimental conditions, the hydrate formation rate decreases with the increase of the water saturation from 40% to 50% due to the reduction of the gas diffusion speed. At the water saturation of 30%, the hydrate formation rate is lower than that at the water saturation of 40% due to the effect of the equilibrium hydrate formation pressure, which increases with the decrease of the water saturation. The final water conversion is shown to increase with the increase of the water saturation, even the formation process at higher water did not end. The experiments at low water saturation show a better repeatability than that at high water saturation.
文章类型Article
关键词Marine Sediments Methane Hydrate Formation Behavior Water Saturation
WOS标题词Science & Technology ; Technology
资助者National Natural Science Foundation of China(51476174 ; Key Arrangement Programs of the Chinese Academy of Sciences(KGZDEW-301-2) ; National Key Research and Development Plan of China(2016YFC0304002) ; National Marine Geology Special program(GHZ2012006003) ; CNPC(2015A-4813) ; CAS(2015A-4813) ; 51576202 51376183 ; 51676190) ; National Natural Science Foundation of China(51476174 ; Key Arrangement Programs of the Chinese Academy of Sciences(KGZDEW-301-2) ; National Key Research and Development Plan of China(2016YFC0304002) ; National Marine Geology Special program(GHZ2012006003) ; CNPC(2015A-4813) ; CAS(2015A-4813) ; 51576202 51376183 ; 51676190)
DOI10.3390/en10040561
研究领域[WOS]Energy & Fuels
关键词[WOS]POROUS-MEDIA ; GAS-PRODUCTION ; DISSOCIATION BEHAVIOR ; DEPRESSURIZATION ; DEPOSITS ; GROWTH ; SIZES ; BED
收录类别SCI
语种英语
资助者National Natural Science Foundation of China(51476174 ; Key Arrangement Programs of the Chinese Academy of Sciences(KGZDEW-301-2) ; National Key Research and Development Plan of China(2016YFC0304002) ; National Marine Geology Special program(GHZ2012006003) ; CNPC(2015A-4813) ; CAS(2015A-4813) ; 51576202 51376183 ; 51676190) ; National Natural Science Foundation of China(51476174 ; Key Arrangement Programs of the Chinese Academy of Sciences(KGZDEW-301-2) ; National Key Research and Development Plan of China(2016YFC0304002) ; National Marine Geology Special program(GHZ2012006003) ; CNPC(2015A-4813) ; CAS(2015A-4813) ; 51576202 51376183 ; 51676190)
WOS类目Energy & Fuels
WOS记录号WOS:000400065000150
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/14113
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
2.CAS Key Lab Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
3.Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou 510640, Guangdong, Peoples R China
4.Chinese Acad Sci, Guangzhou Ctr Gas Hydrate Res, Guangzhou 510640, Guangdong, Peoples R China
推荐引用方式
GB/T 7714
Zhang, Yu,Li, Xiaosen,Wang, Yi,et al. Methane Hydrate Formation in Marine Sediment from South China Sea with Different Water Saturations[J]. ENERGIES,2017,10(4).
APA Zhang, Yu,Li, Xiaosen,Wang, Yi,Chen, Zhaoyang,&Li, Gang.(2017).Methane Hydrate Formation in Marine Sediment from South China Sea with Different Water Saturations.ENERGIES,10(4).
MLA Zhang, Yu,et al."Methane Hydrate Formation in Marine Sediment from South China Sea with Different Water Saturations".ENERGIES 10.4(2017).
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