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Sensitivity analysis of anisotropic parameter inversion simultaneously with microseismic source location in layered VTI media

文献类型：期刊论文

作者Zheng, Yikang1,2; Wang, Yibo1,2
刊名FRONTIERS IN EARTH SCIENCE
出版日期2022-11-11
卷号10页码:9
关键词microseismic source location anisotropic parameter inversion sensitivity analysis layered VTI media
DOI10.3389/feart.2022.1023141
英文摘要The hypocenters of microseismic events induced by hydraulic fracturing are conventionally located with an initial model established from well logs or perforation shots. In most geological settings, the arrival times are insufficiently explained without accounting for the velocity changes introduced by the reservoir stimulation process. The model parameters and source locations should be inverted simultaneously with arrival time information. Therefore, the joint inversion of event locations and velocity model requires the information of anisotropy parameters, which leads to the problem of the selection of degree of symmetry of anisotropic media in the inversion process. Since it is not possible to retrieve all elastic moduli from limited passive seismic data, the joint inversion is constrained to layered vertical transversely isotropic (VTI) media. Various methods have been proposed to invert the velocity model and source locations from the arrival times in anisotropic media, but the number of retrievable parameters in different parametrization types and acquisition scenarios have not been decisively discussed. We analyze the sensitivities for event locations and anisotropic parameters by the singular value decomposition (SVD) of the Frechet derivatives in a layered anisotropic medium with vertical axis of symmetry. The singular values and eigenvectors obtained from SVD can be used to predict which unknown parameters are better constrained by the available traveltimes. The comparison of different parametrizations and monitoring array configurations allows to design a better inversion strategy to provide microseismic event locations and anisotropic parameters.
WOS关键词VELOCITY-MODEL ; FEASIBILITY ; TOMOGRAPHY
资助项目Scientific Instrument Developing Project of the Chinese Academy of Sciences (Broadband fiber optic seismometer acquisition instrument and system) ; Key Research Program of Frontier Sciences, Chinese Academy of Sciences ; [QYZDY-SSW-DQC009]
WOS研究方向Geology
语种英语
WOS记录号WOS:000890886700001
出版者FRONTIERS MEDIA SA
资助机构Scientific Instrument Developing Project of the Chinese Academy of Sciences (Broadband fiber optic seismometer acquisition instrument and system) ; Scientific Instrument Developing Project of the Chinese Academy of Sciences (Broadband fiber optic seismometer acquisition instrument and system) ; Scientific Instrument Developing Project of the Chinese Academy of Sciences (Broadband fiber optic seismometer acquisition instrument and system) ; Scientific Instrument Developing Project of the Chinese Academy of Sciences (Broadband fiber optic seismometer acquisition instrument and system) ; Key Research Program of Frontier Sciences, Chinese Academy of Sciences ; Key Research Program of Frontier Sciences, Chinese Academy of Sciences ; Key Research Program of Frontier Sciences, Chinese Academy of Sciences ; Key Research Program of Frontier Sciences, Chinese Academy of Sciences ; Scientific Instrument Developing Project of the Chinese Academy of Sciences (Broadband fiber optic seismometer acquisition instrument and system) ; Scientific Instrument Developing Project of the Chinese Academy of Sciences (Broadband fiber optic seismometer acquisition instrument and system) ; Scientific Instrument Developing Project of the Chinese Academy of Sciences (Broadband fiber optic seismometer acquisition instrument and system) ; Scientific Instrument Developing Project of the Chinese Academy of Sciences (Broadband fiber optic seismometer acquisition instrument and system) ; Key Research Program of Frontier Sciences, Chinese Academy of Sciences ; Key Research Program of Frontier Sciences, Chinese Academy of Sciences ; Key Research Program of Frontier Sciences, Chinese Academy of Sciences ; Key Research Program of Frontier Sciences, Chinese Academy of Sciences ; Scientific Instrument Developing Project of the Chinese Academy of Sciences (Broadband fiber optic seismometer acquisition instrument and system) ; Scientific Instrument Developing Project of the Chinese Academy of Sciences (Broadband fiber optic seismometer acquisition instrument and system) ; Scientific Instrument Developing Project of the Chinese Academy of Sciences (Broadband fiber optic seismometer acquisition instrument and system) ; Scientific Instrument Developing Project of the Chinese Academy of Sciences (Broadband fiber optic seismometer acquisition instrument and system) ; Key Research Program of Frontier Sciences, Chinese Academy of Sciences ; Key Research Program of Frontier Sciences, Chinese Academy of Sciences ; Key Research Program of Frontier Sciences, Chinese Academy of Sciences ; Key Research Program of Frontier Sciences, Chinese Academy of Sciences ; Scientific Instrument Developing Project of the Chinese Academy of Sciences (Broadband fiber optic seismometer acquisition instrument and system) ; Scientific Instrument Developing Project of the Chinese Academy of Sciences (Broadband fiber optic seismometer acquisition instrument and system) ; Scientific Instrument Developing Project of the Chinese Academy of Sciences (Broadband fiber optic seismometer acquisition instrument and system) ; Scientific Instrument Developing Project of the Chinese Academy of Sciences (Broadband fiber optic seismometer acquisition instrument and system) ; Key Research Program of Frontier Sciences, Chinese Academy of Sciences ; Key Research Program of Frontier Sciences, Chinese Academy of Sciences ; Key Research Program of Frontier Sciences, Chinese Academy of Sciences ; Key Research Program of Frontier Sciences, Chinese Academy of Sciences
源URL[http://ir.iggcas.ac.cn/handle/132A11/107661]  
专题地质与地球物理研究所_中国科学院油气资源研究重点实验室
通讯作者Wang, Yibo
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Petr Resource Res, Beijing, Peoples R China
2.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing, Peoples R China
推荐引用方式
GB/T 7714		 Zheng, Yikang,Wang, Yibo. Sensitivity analysis of anisotropic parameter inversion simultaneously with microseismic source location in layered VTI media[J]. FRONTIERS IN EARTH SCIENCE,2022,10:9.
APA Zheng, Yikang,&Wang, Yibo.(2022).Sensitivity analysis of anisotropic parameter inversion simultaneously with microseismic source location in layered VTI media.FRONTIERS IN EARTH SCIENCE,10,9.
MLA Zheng, Yikang,et al."Sensitivity analysis of anisotropic parameter inversion simultaneously with microseismic source location in layered VTI media".FRONTIERS IN EARTH SCIENCE 10(2022):9.

入库方式： OAI收割

来源：地质与地球物理研究所

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