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The Method of Seismic Diffraction Wave Extraction Based on PCA Method and its Application

  • INNOVATIVE TECHNOLOGIES OF OIL AND GAS
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Chemistry and Technology of Fuels and Oils Aims and scope

This paper addresses the challenge of accurately describing the boundary of deep cavern-type reservoirs. A method is developed to extract diffraction information from the cavern and its boundaries from full wavefield seismic data using PCA wavefield separation technology. The paper describes a method for extracting diffraction information based on post-stack seismic data, and demonstrates the validity of this method in identifying cavern’s boundaries via forward modeling. Subsequently, the method is applied to actual seismic data to extract diffraction information from deep caverns. By separating wavefield information at different scales, the extracted diffraction information can effectively identify the characteristics of cavernous reservoirs and their boundaries. It is verified by examples that the diffraction wave information separation method can provide a more accurate description of the distribution of deep cavern-type reservoirs, which can provide a basis for predicting this type of reservoir.

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Authors and Affiliations

  1. Northwest Oilfield Branch of SINOPEC, Urumqi, Xinjiang, China

    Huadong Wei, Wei Huang, Shengli Wang & Rui Liu

  2. Beijing CSGG Energy Technology Co. ltd, Beijing, China

    Tongzhou Ji, Guihong Xu, Mengcheng Shu, Yun Cai & Shenshen Deng

Authors
  1. Huadong Wei
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  2. Wei Huang
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  3. Tongzhou Ji
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  4. Shengli Wang
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  5. Rui Liu
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  6. Guihong Xu
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  7. Mengcheng Shu
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  8. Yun Cai
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  9. Shenshen Deng
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Corresponding author

Correspondence to Huadong Wei.

Additional information

Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 6, pp. 167–172, November – December, 2023.

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Wei, H., Huang, W., Ji, T. et al. The Method of Seismic Diffraction Wave Extraction Based on PCA Method and its Application. Chem Technol Fuels Oils 59, 1313–1320 (2024). https://doi.org/10.1007/s10553-024-01647-4

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  • DOI: https://doi.org/10.1007/s10553-024-01647-4

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