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- W3198061492 abstract "PreviousNext No AccessFirst International Meeting for Applied Geoscience & Energy Expanded AbstractsResearch on depth prediction method of igneous rock underlying strataAuthors: Jiyan CaiJunting SongTao TianMin GongJiyan CaiCNOOC (China National Offshore Oil Corporation) Ltd., Tianjin BranchSearch for more papers by this author, Junting SongCNOOC (China National Offshore Oil Corporation) Ltd., Tianjin BranchSearch for more papers by this author, Tao TianCNOOC (China National Offshore Oil Corporation) Ltd., Tianjin BranchSearch for more papers by this author, and Min GongCNOOC (China National Offshore Oil Corporation) Ltd., Tianjin BranchSearch for more papers by this authorhttps://doi.org/10.1190/segam2021-3582506.1 SectionsAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail AbstractIn Qibei igneous rock development area of Bohai Sea, igneous rock has large velocity, wide distribution and uneven thickness distribution, which will cause great error in time depth conversion and bring great difficulties to implement structure and well location deployment. According to the development characteristics of igneous rock in this area This study proposed speed filling combined with thickness correction method, Effectively solved the problem of the depth error of the drilling prediction of igneous rock area. From the comparison of the predicted depth and the drilling depth of the verification well NB1’s bottom surface of the Ng formation and E3d2l formation,The prediction error is less than 10m, which indicates that the new method has a higher precision. Using the new method for time-depth conversion solves the between well NB1 and well CFD1 Oil-water interface problem of contradictions, which fully shows the new method is effective and feasible.Note: This paper was accepted into the Technical Program but was not presented at IMAGE 2021 in Denver, Colorado.Keywords: depth conversion, velocity analysis, high-velocity layer, mapping, time-domainPermalink: https://doi.org/10.1190/segam2021-3582506.1FiguresReferencesRelatedDetails 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 Jiyan Cai, Junting Song, Tao Tian, and Min Gong, (2021), Research on depth prediction method of igneous rock underlying strata, SEG Technical Program Expanded Abstracts : 3429-3433. https://doi.org/10.1190/segam2021-3582506.1 Plain-Language Summary Keywordsdepth conversionvelocity analysishigh-velocity layermappingtime-domainPDF DownloadLoading ..." @default.
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