干旱区生态环境知识资源中心(Arid): THMC Modeling of EGS Reservoirs -- Continuum through Discontinuum Representations. Capturing Reservoir Stimulation, Evolution and Induced Seismicity

Arid

DOI	10.2172/1202233
报告编号	DOE-PSU--0002761-1
来源ID	OSTI_ID: 1202233
	THMC Modeling of EGS Reservoirs -- Continuum through Discontinuum Representations. Capturing Reservoir Stimulation, Evolution and Induced Seismicity
	Elsworth, Derek [Pennsylvania State Univ., State College, PA (United States)]; Izadi, Ghazal [Pennsylvania State Univ., State College, PA (United States)]; Gan, Quan [Pennsylvania State Univ., State College, PA (United States)]; Fang, Yi [Pennsylvania State Univ., State College, PA (United States)]; Taron, Josh [US Geological Survey, Menlo Park, CA (United States)]; Sonnenthal, Eric [Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)]
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.
出版年	2015
报告类型	Technical Report
语种	英语
国家	美国
来源学科分类	15 GEOTHERMAL ENERGY ; 58 GEOSCIENCES ; 12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES Enhanced Geothermal Systems ; EGS ; induced seismicity ; triggered seismicity ; permeability evolution ; heat recovery ; fault reactivation ; reservoir geomechanics ; THMC
URL	http://www.osti.gov/scitech/servlets/purl/1202233
资源类型	科技报告
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/271177
推荐引用方式 GB/T 7714	Elsworth, Derek [Pennsylvania State Univ., State College, PA ,Izadi, Ghazal [Pennsylvania State Univ., State College, PA ,Gan, Quan [Pennsylvania State Univ., State College, PA ,et al. THMC Modeling of EGS Reservoirs -- Continuum through Discontinuum Representations. Capturing Reservoir Stimulation, Evolution and Induced Seismicity,2015.