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Numerical simulation of electricity generation potential from fractured granite reservoir through a single horizontal well at Yangbajing geothermal field
Zeng, Yu-Chao; Wu, Neng-You; Su, Zheng; Hu, Jian
2014-02-01
Source PublicationENERGY
Volume65Pages:472-487
AbstractDevelopment of deep high-temperature heat reservoir at Yangbajing geothermal field has very important significance for capacity expanding and sustaining of the ground power plant. The geological exploration found that there is a fractured granite heat reservoir with an average temperature of 248 degrees C at depth of 950 similar to 1350 m in well ZK4001 in the north of the geothermal field. In this work, a simplified conceptual model of the 950 similar to 1350 m reservoir is established based on all the existing geological data, and the electricity generation potential from this fractured granite reservoir by geothermal water mining through a single horizontal well is numerically simulated. The results indicate that the single horizontal well system attains an electric power of 3.23 similar to 3.48 MW and an energy efficiency of about 50.00 similar to 17.16 during 20 years under reference conditions. The main parameters that affect the heat extraction and electricity generation are reservoir porosity, permeability and water production rate. Higher porosity or higher permeability or higher water production rate will be favorable for improving the electricity generation performance, under the precondition of not arousing vaporization and precipitation in the liquid water saturated reservoir. (C) 2013 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordSingle Horizontal Well Electricity Generation Potential Fractured Granite Reservoir Water Mining Yangbajing Geothermal Field
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.energy.2013.10.084
WOS Subject ExtendedThermodynamics ; Energy & Fuels
WOS KeywordHOT DRY ROCK ; GAS-PRODUCTION ; QILIAN MOUNTAIN ; HEAT EXTRACTION ; WORKING FLUID ; CHINA ; PERMAFROST ; RESOURCE ; SYSTEMS ; EGS
Indexed BySCI
Language英语
WOS SubjectThermodynamics ; Energy & Fuels
WOS IDWOS:000331669100046
Citation statistics
Cited Times:27[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10761
Collection中国科学院广州能源研究所
AffiliationChinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Zeng, Yu-Chao,Wu, Neng-You,Su, Zheng,et al. Numerical simulation of electricity generation potential from fractured granite reservoir through a single horizontal well at Yangbajing geothermal field[J]. ENERGY,2014,65:472-487.
APA Zeng, Yu-Chao,Wu, Neng-You,Su, Zheng,&Hu, Jian.(2014).Numerical simulation of electricity generation potential from fractured granite reservoir through a single horizontal well at Yangbajing geothermal field.ENERGY,65,472-487.
MLA Zeng, Yu-Chao,et al."Numerical simulation of electricity generation potential from fractured granite reservoir through a single horizontal well at Yangbajing geothermal field".ENERGY 65(2014):472-487.
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