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Research on Far-Field Wavelet’s Extraction and Application of Vertical Cable System

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Abstract

In marine seismic exploration, ghost wave and bubble effect reduce the vertical resolution and interpretation accuracy seriously. Here firstly the far-field wavelet including source wavelet, ghost wave and bubble effect recorded by the vertical cable system (VCS) is extracted. Then, filters are designed using the extracted far-field wavelet to eliminate ghost wave, bubble effect and source wavelet. At last, the designed filters are applied to the seismic data of VCS. The results show that this method can eliminate ghost wave, bubble effect and source wavelet effectively and the vertical resolution of the seismic data is improved obviously.

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Acknowledgements

This research is funded by the National Natural Science Foundation of China (No. 41304103) and the Fundamental Research Funds for the Central Universities of China.

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Authors and Affiliations

  1. Key Laboratory of Geo-Detection (China University of Geosciences, Bei**g), Ministry of Education, China University of Geosciences, Bei**g, 100083, People’s Republic of China

    **angchun Wang & Qingsong **ao

  2. Changqing Branch, Geophysical Research Institute, BGP, CNPC, **’an, 710021, Shanxi Province, China

    Changliang **a

  3. Institute of Marine Geology Exploration Methods, Guangzhou Marine Geological Survey, Guangzhou, 510760, China

    Zhongliang Wu & Chengliang **e

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  1. **angchun Wang
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  2. Qingsong **ao
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  3. Changliang **a
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  4. Zhongliang Wu
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  5. Chengliang **e
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Correspondence to **angchun Wang.

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Wang, X., **ao, Q., **a, C. et al. Research on Far-Field Wavelet’s Extraction and Application of Vertical Cable System. Pure Appl. Geophys. 174, 1779–1786 (2017). https://doi.org/10.1007/s00024-017-1506-1

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  • DOI: https://doi.org/10.1007/s00024-017-1506-1

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