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• W4291753018 abstract "PreviousNext No AccessSecond International Meeting for Applied Geoscience & EnergyApplication of formation pressure prediction technique based on high-density three-dimensional seismic constraints in complex structural zonesAuthors: Baoli YuKeyu LiuChao LiPeng ChenBaorong XuJia ChenWenchao XiangBo YuanBaoli YuChina University of Petroleum (East China)Search for more papers by this author, Keyu LiuChina University of Petroleum (East China)Search for more papers by this author, Chao LiBGPSearch for more papers by this author, Peng ChenBGPSearch for more papers by this author, Baorong XuBGPSearch for more papers by this author, Jia ChenBGPSearch for more papers by this author, Wenchao XiangBGPSearch for more papers by this author, and Bo YuanXinjiang Oilfield CompanySearch for more papers by this authorhttps://doi.org/10.1190/image2022-3746172.1 SectionsAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail AbstractThe structure of GQ area is located in Sikeshu depression of the thrust belt in the southern of Junggar Basin. The surface structure of GQ area is complex, and underground structure is superimposed by multi-stage tectonic compression movement, which is a typical “surface and underground double-complex” tectonic area. Several sets of plastic mudstones and gypsum mudstones with a thickness of 50m-200m are developed in Neogene, Paleogene and Cretaceous in this study area. The section formation is characterized by abnormal high pressure. In the early stage, mismatch between drilling fluid density and formation pressure occurred in two wells in the study area during drilling, which resulted in serious lost circulation and sticking, and affected drilling efficiency and brought serious drilling safety risks. How to effectively predict the pressure values and depths of several abnormal high pressure intervals in this area and ensure drilling efficiency and engineering safety is crucial.The author has explored and developed a formation pressure prediction technique based on high-density three-dimensional seismic data, which is more optimized and applied to Fillippone formation pressure prediction method by combining high-density three-dimensional seismic data with rock physical modeling technique. The three-step method is mainly composed of single well parameter curve generation, key parameter data volume inversion and formation pressure model establishment to obtain high-precision formation pressure data. Based on this technique, it provides guidance for subsequent drilling in GQ area. This technique accurately predicts several abnormal high pressure intervals with the coincidence rates of pressure values and depth ranges of 85% and 88% respectively. It greatly reduces drilling mud leakage, thus ensuring engineering efficiency and safety.Keywords: formation pressure prediction, high-density seismic data, Fillippone formula, rock physics modelingPermalink: https://doi.org/10.1190/image2022-3746172.1FiguresReferencesRelatedDetails Second International Meeting for Applied Geoscience & EnergyISSN (print):1052-3812 ISSN (online):1949-4645Copyright: 2022 Pages: 3694 publication data© 2022 Published in electronic format with permission by the Society of Exploration Geophysicists and the American Association of Petroleum GeologistsPublisher:Society of Exploration Geophysicists HistoryPublished Online: 15 Aug 2022 CITATION INFORMATION Baoli Yu, Keyu Liu, Chao Li, Peng Chen, Baorong Xu, Jia Chen, Wenchao Xiang, and Bo Yuan, (2022), Application of formation pressure prediction technique based on high-density three-dimensional seismic constraints in complex structural zones, SEG Technical Program Expanded Abstracts : 1359-1363. https://doi.org/10.1190/image2022-3746172.1 Plain-Language Summary Keywordsformation pressure predictionhigh-density seismic dataFillippone formularock physics modelingPDF DownloadLoading ..." @default.
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• W4291753018 title "Application of formation pressure prediction technique based on high-density three-dimensional seismic constraints in complex structural zones" @default.
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