[an error occurred while processing this directive] 世界地质 2020, 39(4) 888-895 DOI:   10.3969/j.issn.1004-5589.2020.04.014  ISSN: 1004-5589 CN: 22-1111/P

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本文关键词相关文章
砂岩型铀矿
油铀共生区
浅层
三维地震资料
针对性处理方法
本文作者相关文章
雷安贵
孙章庆
董兵波
高树生
PubMed
Article by Lei A
Article by Sun Z
Article by Dong B
Article by Gao S
砂岩型铀矿勘探的浅层三维地震资料针对性处理方法
雷安贵1, 孙章庆2, 董兵波1, 高树生1
1. 中石油辽河油田分公司, 辽宁 盘锦 124010;
2. 吉林大学 地球探测科学与技术学院, 长春 130026
摘要: 为了提高砂岩型铀矿勘探浅层三维地震资料处理效果,分析了浅层三维地震资料处理存在的问题及难点,并制定一系列针对性处理对策:精细模型法静校正、近地表吸收补偿、串联反褶积、叠前数据规则化和叠后拓频处理。实际数据测试表明,这些针对性对策使得成果数据的主频和频宽均提高50%±,同时信噪比和分辨率均有很大幅度提高。
关键词 砂岩型铀矿   油铀共生区   浅层   三维地震资料   针对性处理方法  
Targeted processing method of shallow 3D seismic data for sandstone-type uranium deposits exploration
LEI An-gui1, SUN Zhang-qing2, DONG Bing-bo1, GAO Shu-sheng1
1. Liaohe Oilfield Company, CNPC, Panjin 124010, Liaoning, China;
2. College of Geo-exploration Science and Technology, Jilin University, Changchun 130026, China
Abstract: In order to improve the effect of shallow 3D seismic data processing for sandstone-type uranium exploration, the existing problems and difficulties are analyzed, and a series of countermeasures are formulated, including fine model static correction, near surface absorption compensation, series deconvolution, pre-stack data regularization and post-stack frequency extension processing. The actual data testing shows that the dominant frequency and bandwidth of the result data are increased by about 50%, and the signal-to-noise ratio and resolution are greatly improved.
Keywords: sandstone-type uranium deposits   oil-uranium symbiosis area   shallow   3D seismic data   targeted processing method  
收稿日期 2019-08-26 修回日期 2020-07-18 网络版发布日期  
DOI: 10.3969/j.issn.1004-5589.2020.04.014
基金项目:

国家重点研发计划(2018YFC0604200)、中国石油天然气股份有限公司《新能源技术开发与应用研究》项目(2016A-4803(GF))、国家自然科学基金项目(41404085)和吉林大学优秀青年教师培养计划(419080500337)资助。

通讯作者: 孙章庆(1982-),男,副教授,主要从事地震资料处理与解释、地震波传播理论与成像和地球物理等方面的教学与研究。E-mail:sunzhangq@jlu.edu.cn
作者简介:
作者Email: sunzhangq@jlu.edu.cn

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