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Acta Geophysica

, Volume 67, Issue 6, pp 1579–1586 | Cite as

Application of Gaussian beam migration to VSP imaging

  • Feilong Yang
  • Hui SunEmail author
Research Article - Applied Geophysics

Abstract

Vertical seismic profiling (VSP) technology plays an important role in oil and gas exploration. It can obtain data in the well with higher resolution than conventional surface seismic imaging methods, and effectively identify small faults along the well, thereby improving the description accuracy of the reservoir. Gaussian beam migration (GBM) has the ability to calculate the multi-arrival travel time, which has the advantages of both high efficiency and high imaging accuracy. In this paper, the observation system and the local plane wave decomposition step will be adjusted to expand the prestack GBM into a VSP imaging method. A layer model and a complex model will be employed to verify the imaging ability of VSP GBM. The correctness of VSP GBM will be proved by practical data test through comparing the results of VSP GBM with Kirchhoff migration in surface seismic.

Keywords

Gaussian beam migration VSP imaging Prestack depth migration Plane wave decomposition 

Notes

Acknowledgements

The research is sponsored in part by the Natural Science Foundation of China (No. 41804100), in part by the Fundamental Research Funds for the Central Universities (No. 2682018CX36), in part by the China Postdoctoral Science Foundation under (No. 2018M640910), and in part by the Natural Science Basic Research Program of Shanxi (2019JQ-817).

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Copyright information

© Institute of Geophysics, Polish Academy of Sciences & Polish Academy of Sciences 2019

Authors and Affiliations

  1. 1.College of the Geoscience and EngineeringXi’an Shiyou UniversityXi’anChina
  2. 2.Shandong Key Laboratory of Depositional Mineralization and Sedimentary Minerals, College of Geological Science and EngineeringShandong University of Science and TechnologyQingdaoChina
  3. 3.Modeling and Imaging Laboratory, Earth and Planetary SciencesUniversity of CaliforniaSanta CruzUSA
  4. 4.MOE Key Laboratory of High-Speed Railway EngineeringSouthwest Jiaotong UniversityChengduChina

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