APPLICATION OF ADAPTIVE MATCHING SUBTRACTION BASED ON REGULARIZED NONSTATIONARY REGRESSION IN SINGLE CHANNEL SEISMIC MULTIPLES ATTENUATION

XING Zihao; CHEN Liang; YANG Depeng; YANG Ce; ZHAI Jifeng; ZHOU Dasen; WANG Ming; WEI Chenglong

doi:10.16028/j.1009-2722.2020.002

2021 Vol. 37, No. 2

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Article navigation > Marine Geology Frontiers > 2021 > 37(2): 70-76

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XING Zihao, CHEN Liang, YANG Depeng, YANG Ce, ZHAI Jifeng, ZHOU Dasen, WANG Ming, WEI Chenglong. APPLICATION OF ADAPTIVE MATCHING SUBTRACTION BASED ON REGULARIZED NONSTATIONARY REGRESSION IN SINGLE CHANNEL SEISMIC MULTIPLES ATTENUATION[J]. Marine Geology Frontiers, 2021, 37(2): 70-76. doi: 10.16028/j.1009-2722.2020.002

Citation:

XING Zihao, CHEN Liang, YANG Depeng, YANG Ce, ZHAI Jifeng, ZHOU Dasen, WANG Ming, WEI Chenglong. APPLICATION OF ADAPTIVE MATCHING SUBTRACTION BASED ON REGULARIZED NONSTATIONARY REGRESSION IN SINGLE CHANNEL SEISMIC MULTIPLES ATTENUATION[J]. Marine Geology Frontiers, 2021, 37(2): 70-76. doi: 10.16028/j.1009-2722.2020.002

APPLICATION OF ADAPTIVE MATCHING SUBTRACTION BASED ON REGULARIZED NONSTATIONARY REGRESSION IN SINGLE CHANNEL SEISMIC MULTIPLES ATTENUATION

1.
Guangzhou Marine Geological Survey, China Geological Survey, Guangzhou 510760, China
2.
Key Laboratory of Marine Mineral Resources, Ministry of Natural Resources, Guangzhou 510075, China
3.
North China Sea Marine Technical Support Center, State Ocean Administration, Qingdao 266033, China

Received Date: 07 January 2020

Publish Date: 28 February 2021

Abstract

Abstract

Multiples attenuation is critical for single channel seismic data processing, and the adaptive matched filtering is one of the key techniques to be used for the purpose. However, the traditional matched filtering algorithms are not always adequate to the description of nonstationary seismic signal changes with time and space. To solve this problem, the regularized nonstationary regression is proposed. This paper studies the application of regularized nonstationary regression, starting from basic principles, then testing regularization parameters using model data to pursue their influence on processing effect, and finally applying this technology to predict subtraction process of field data. As the result, multiples are effectively attenuated. Practical application demonstrates that the method has great advantages comparing to the traditional method in multiple attenuation.
- single channel seismic /
- multiples attenuation /
- regularized nonstationary regression /
- marine seismic exploration

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References

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