globalchange  > 科学计划与规划
DOI: 10.1002/2016GL070348
论文题名:
Mixed-point geostatistical simulation: A combination of two- and multiple-point geostatistics
作者: Cordua K.S.; Hansen T.M.; Gulbrandsen M.L.; Barnes C.; Mosegaard K.
刊名: Geophysical Research Letters
ISSN: 0094-8663
EISSN: 1944-8394
出版年: 2016
卷: 43, 期:17
起始页码: 9030
结束页码: 9037
语种: 英语
英文关键词: combining vertical and horizontal information ; conditional sequential simulation ; geostatistical prior information ; multiple-point geostatistics ; training images ; two-point geostatistics
Scopus关键词: Channel capacity ; Combining vertical and horizontal information ; Geo-statistics ; Multiple-point geostatistics ; Prior information ; Sequential simulation ; Training image ; Well logging ; algorithm ; borehole logging ; geological structure ; geostatistics ; image analysis ; information management ; theoretical study
英文摘要: Multiple-point-based geostatistical methods are used to model complex geological structures. However, a training image containing the characteristic patterns of the Earth model has to be provided. If no training image is available, two-point (i.e., covariance-based) geostatistical methods are typically applied instead because these methods provide fewer constraints on the Earth model. This study is motivated by the case where 1-D vertical training images are available through borehole logs, whereas little or no information about horizontal dependencies exists. This problem is solved by developing theory that makes it possible to combine information from multiple- and two-point geostatistics for different directions, leading to a mixed-point geostatistical model. An example of combining information from the multiple-point-based single normal equation simulation algorithm and two-point-based sequential indicator simulation algorithm is provided. The mixed-point geostatistical model is used for conditional sequential simulation based on vertical training images from five borehole logs and a range parameter describing the horizontal dependencies. ©2016. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84987602275&doi=10.1002%2f2016GL070348&partnerID=40&md5=32f6efac5c4cc8184ea50dccd9dd04ea
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被引频次[WOS]:8   [查看WOS记录]     [查看WOS中相关记录]
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/9626
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Climate and Geophysics Section, Niels Bohr Institute, University of Copenhagen, Copenhagen, Denmark

Recommended Citation:
Cordua K.S.,Hansen T.M.,Gulbrandsen M.L.,et al. Mixed-point geostatistical simulation: A combination of two- and multiple-point geostatistics[J]. Geophysical Research Letters,2016-01-01,43(17).
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