Guo Jian; Cao Wenjiong; Wang Yiwei; Jiang Fangming
Source Publicationfrontiersinenergy
AbstractThe fracture characteristics of a heat reservoir are of critical importance to enhanced geothermal systems, which can be investigated by theoretical modeling. This paper presents the development of a novel flow-resistor network model to describe the hydraulic processes in heat reservoirs. The fractures in the reservoir are simplified by using flow resistors and the typically complicated fracture network of the heat reservoir is converted into a flowresistor network with a reasonably simple pattern. For heat reservoirs with various fracture configurations, the corresponding flow-resistor networks are identical in terms of framework though the networks may have different section numbers and the flow resistors may have different values. In this paper, numerous cases of different section numbers and resistor values are calculated and the results indicate that the total number of flow resistances between the injection and production wells is primarily determined by the number of fractures in the reservoir. It is also observed that a linear dependence of the total flow resistance on the number of fractures and the relation is obtained by the best fit of the calculation results. Besides, it performs a case study dealing with the Soultz enhanced geothermal system (EGS). In addition, the fracture numbers underneath specific well systems are derived. The results provide insight on the tortuosity of the flow path between different wells.
Document Type期刊论文
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Guo Jian,Cao Wenjiong,Wang Yiwei,et al. anovelflowresistornetworkmodelforcharacterizingenhancedgeothermalsystemheatreservoir[J]. frontiersinenergy,2019,13(1):99.
APA Guo Jian,Cao Wenjiong,Wang Yiwei,&Jiang Fangming.(2019).anovelflowresistornetworkmodelforcharacterizingenhancedgeothermalsystemheatreservoir.frontiersinenergy,13(1),99.
MLA Guo Jian,et al."anovelflowresistornetworkmodelforcharacterizingenhancedgeothermalsystemheatreservoir".frontiersinenergy 13.1(2019):99.
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