The shear wave experience in Sanhu, China: A case history
First International Meeting for Applied Geoscience & Energy Expanded Abstracts(2021)
摘要
PreviousNext No AccessFirst International Meeting for Applied Geoscience & Energy Expanded AbstractsThe shear wave experience in Sanhu, China: A case historyAuthors: Zhang ShaohuaWang JiushuanWu YongguoDeng ZhiwenLi XiangyangZhang ShaohuaBGP Inc.Search for more papers by this author, Wang JiushuanBGP Inc.Search for more papers by this author, Wu YongguoBGP Inc.Search for more papers by this author, Deng ZhiwenBGP Inc.Search for more papers by this author, and Li XiangyangBGP Inc.Search for more papers by this authorhttps://doi.org/10.1190/segam2021-3581485.1 SectionsSupplemental MaterialAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail AbstractHere, we present a case history from the Sanhu area of China describing a thirteen-year endeavor involving the use of shear-waves for characterizing gas deposits. PS convertedwave data from 2006 and 2009 are compared with pure shear-wave data from 2017 and 2019. The PS convertedwave data can under shoot the gas cloud to some extent, but do not possess enough accuracy in resolving subtle structural variations inside the gas cloud. In contrast, pure shear-wave data can resolve these features very accurately, which controls gas migration and accumulation. This leads to the success in finding extra reserves and maintaining gas production in the Sanhu gas field. Furthermore, we have learned that increased source tonnage, improved source coupling and high-density and high-fold wide line geometry are the three key factors in acquiring high quality shear-wave data whose signal to noise (S/N) ratio, frequency content and depth penetration are all comparable with that of the P-wave.Keywords: case history, shear wave (S-wave), interpretation, 3C, reservoir characterizationPermalink: https://doi.org/10.1190/segam2021-3581485.1FiguresReferencesRelatedDetails First International Meeting for Applied Geoscience & Energy Expanded AbstractsISSN (print):1052-3812 ISSN (online):1949-4645Copyright: 2021 Pages: 3561 publication data© 2021 Published in electronic format with permission by the Society of Exploration GeophysicistsPublisher:Society of Exploration Geophysicists HistoryPublished: 01 Sep 2021 CITATION INFORMATION Zhang Shaohua, Wang Jiushuan, Wu Yongguo, Deng Zhiwen, and Li Xiangyang, (2021), "The shear wave experience in Sanhu, China: A case history," SEG Technical Program Expanded Abstracts : 1771-1775. https://doi.org/10.1190/segam2021-3581485.1 Plain-Language Summary Keywordscase historyshear wave (S-wave)interpretation3Creservoir characterizationPDF DownloadLoading ...
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shear wave experience,sanhu,china
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