Ocean-bottom cable data multiple suppression based on equipoise pseudo-multichannel matching filter

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• 作者：Dong-Kai Wang ; Huai-Shan Liu ; Si-You Tong ; Wei-Qiang Zhu
• 关键词：receiver ; side multiple ; source ; side multiple ; dual ; sensor summation ; equipoise pseudo ; multichannel matching
• 刊名：Applied Geophysics
• 出版年：2015
• 出版时间：June 2015
• 年：2015
• 卷：12
• 期：2
• 页码：179-186
• 全文大小：964 KB
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• 作者单位：Dong-Kai Wang (1) (2)
  Huai-Shan Liu (1)
  Si-You Tong (1)
  Wei-Qiang Zhu (3)
  
  1. Key Lab of Submarine Geosciences and Prospecting Techniques, Ministry of Education, Ocean University of China, Qingdao, 266100, China
  2. Geophysical Research Institute of Sinopec Shengli Oilfield, Postdoctoral Scientific Research Workstation of Sinopec Shengli Oilfield, Dongying, 257000, China
  3. SINOPEC Geophysical Corporation Shengli Branch, Dongying, 257000, China
  
• 刊物主题：Geophysics/Geodesy; Geotechnical Engineering & Applied Earth Sciences;
• 出版者：Springer Berlin Heidelberg
• ISSN：1993-0658

文摘

The effect of strong reflection interfaces, such as free surface, seabed, is strong; thus, the coupling of multiples and waves reduces the quality of ocean-bottom cable seismic data. Using the different polarity response of hydrophones and geophones to downgoing wave fields, dual-sensor summation can eliminate receiver-side multiples, enhance primaries, and improve the resolution of seismic data. We present a dual-sensor summation method based on the equipoise pseudo-multichannel adaptive matching filter. Compared with traditional methods, the proposed method is totally data driven and does not depend on the reflection coefficient; moreover, good results are obtained using synthetic and real data.