DOI: | 10.2172/1202233
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报告号: | DOE-PSU--0002761-1
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报告题名: | THMC Modeling of EGS Reservoirs -- Continuum through Discontinuum Representations. Capturing Reservoir Stimulation, Evolution and Induced Seismicity |
作者: | Elsworth, Derek; Izadi, Ghazal; Gan, Quan; Fang, Yi; Taron, Josh; Sonnenthal, Eric
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出版年: | 2015
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发表日期: | 2015-07-28
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总页数: | 242
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国家: | 美国
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语种: | 英语
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英文关键词: | Enhanced Geothermal Systems
; EGS
; induced seismicity
; triggered seismicity
; permeability evolution
; heat recovery
; fault reactivation
; reservoir geomechanics
; THMC
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中文主题词: | 高温
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主题词: | HEAT
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英文摘要: | This work has investigated the roles of effective stress induced by changes in fluid pressure, temperature and chemistry in contributing to the evolution of permeability and induced seismicity in geothermal reservoirs. This work has developed continuum models [1] to represent the progress or seismicity during both stimulation [2] and production [3]. These methods have been used to resolve anomalous observations of induced seismicity at the Newberry Volcano demonstration project [4] through the application of modeling and experimentation. Later work then focuses on the occurrence of late stage seismicity induced by thermal stresses [5] including the codifying of the timing and severity of such responses [6]. Furthermore, mechanistic linkages between observed seismicity and the evolution of permeability have been developed using data from the Newberry project [7] and benchmarked against field injection experiments. Finally, discontinuum models [8] incorporating the roles of discrete fracture networks have been applied to represent stimulation and then thermal recovery for new arrangements of geothermal wells incorporating the development of flow manifolds [9] in order to increase thermal output and longevity in EGS systems. |
URL: | http://www.osti.gov/scitech/servlets/purl/1202233
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Citation statistics: |
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资源类型: | 研究报告
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标识符: | http://119.78.100.158/handle/2HF3EXSE/41812
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Appears in Collections: | 过去全球变化的重建 影响、适应和脆弱性 科学计划与规划 气候变化与战略 全球变化的国际研究计划 气候减缓与适应 气候变化事实与影响
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1202233.pdf(26872KB) | 研究报告 | -- | 开放获取 | | View
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Recommended Citation: |
Elsworth, Derek,Izadi, Ghazal,Gan, Quan,et al. THMC Modeling of EGS Reservoirs -- Continuum through Discontinuum Representations. Capturing Reservoir Stimulation, Evolution and Induced Seismicity. 2015-01-01.
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