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Deblending using normal moveout and median filtering in common-midpoint gathers

文献类型：期刊论文

作者Chen, Yangkang1; Yuan, Jiang2; Jin, Zhaoyu3; Chen, Keling4; Zhang, Lele5
刊名JOURNAL OF GEOPHYSICS AND ENGINEERING
出版日期2014-08-01
卷号11期号:4
关键词deblending simultaneous source median filter normal moveout common midpoint gather
ISSN号1742-2132
DOI10.1088/1742-2132/11/4/045012
文献子类Article
英文摘要The benefits of simultaneous source acquisition are compromised by the challenges of dealing with intense blending noise. In this paper, we propose a processing workflow for blended data. The incoherent property of blending noise in the common-midpoint gathers is utilized for applying median filtering along the spatial direction after normal moveout (NMO) correction. The key step in the proposed workflow is that we need to obtain a precise velocity estimation which is required by the subsequent NMO correction. Because of the intense blending noise, the velocity scan cannot be obtained in one step. We can recursively polish both the deblended result and the velocity estimation by deblending using the updated velocity estimation and velocity scanning using the updated deblended result. We use synthetic and field data examples to demonstrate the performance of the proposed approach. The migrated image of deblended data is cleaner than that of blended data and is similar to that of unblended data.
WOS关键词BLENDED DATA ; SEPARATION ; INVERSION ; MIGRATION ; ACQUISITION ; NOISE
WOS研究方向Geochemistry & Geophysics
语种英语
WOS记录号WOS:000343007200012
出版者IOP PUBLISHING LTD
源URL[http://ir.iggcas.ac.cn/handle/132A11/85936]  
专题中国科学院地质与地球物理研究所
通讯作者Chen, Yangkang
作者单位1.Univ Texas Austin, Bur Econ Geol, Jackson Sch Geosci, Austin, TX 78713 USA
2.China Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing 102200, Peoples R China
3.Univ Edinburgh, Sch Geosci, Edinburgh EH9 3JW, Midlothian, Scotland
4.Univ Houston, Dept Earth & Atmospher Sci, Houston, TX 77004 USA
5.Chinese Acad Sci, Inst Geol & Geophys, Beijing 102200, Peoples R China
推荐引用方式
GB/T 7714		 Chen, Yangkang,Yuan, Jiang,Jin, Zhaoyu,et al. Deblending using normal moveout and median filtering in common-midpoint gathers[J]. JOURNAL OF GEOPHYSICS AND ENGINEERING,2014,11(4).
APA Chen, Yangkang,Yuan, Jiang,Jin, Zhaoyu,Chen, Keling,&Zhang, Lele.(2014).Deblending using normal moveout and median filtering in common-midpoint gathers.JOURNAL OF GEOPHYSICS AND ENGINEERING,11(4).
MLA Chen, Yangkang,et al."Deblending using normal moveout and median filtering in common-midpoint gathers".JOURNAL OF GEOPHYSICS AND ENGINEERING 11.4(2014).

入库方式： OAI收割

来源：地质与地球物理研究所

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