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Stratigraphic Sequence Analysis of Palaeocene in the X Sag, East China Sea Shelf Basin

Received: 16 November 2021     Accepted: 11 December 2021     Published: 8 January 2022
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Abstract

The X sag in the East China Sea Shelf Basin has great exploration potential and rich oil and gas resources, but the exploration degree is low, and the exploration process still faces the key geological problem of inconsistent sequence stratigraphic framework. Therefore, this study is based on regional geology, logging, seismic and analysis data, using well-seismic correlation, spectrum analysis, wavelet transform, relative sea level change analysis and other methods, through the identification of sequence boundaries of seismic and drilling at all levels, supplemented by stratigraphic sequence cycle and relative sea level change analysis. According to different sequence stratigraphic models, the Paleocene stratigraphic division scheme of X sag is determined. The Paleocene strata are divided into five third-order sequences, namely Y Formation, lower L Formation, upper L Formation, lower M Formation and upper M Formation, thirteen fourth-order sequences are further identified, which Y Formation and upper M Formation are divided into transgressive system tract and regressive system tract, the lower L Formation, upper L Formation and lower M Formation are divided into lowstand system tract, transgressive system tract and highstand system tract, and a unified stratigraphic sequence framework of the whole region is established. It provides geological support for the study of sedimentary facies and its development law under the control of Paleocene stratigraphic sequence in X sag, promoting the unification of basic geological understanding of X sag and the selection of favorable areas in the next exploration work.

Published in Petroleum Science and Engineering (Volume 6, Issue 1)
DOI 10.11648/j.pse.20220601.11
Page(s) 1-13
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2022. Published by Science Publishing Group

Keywords

Stratigraphic Sequence, Palaeocene, X Sag, East China Sea Shelf Basin

References
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Cite This Article
  • APA Style

    Zhongqiang Sun, Guangao Zhong, Longlong Liu, Zhihao Chen, Wenlong Shen, et al. (2022). Stratigraphic Sequence Analysis of Palaeocene in the X Sag, East China Sea Shelf Basin. Petroleum Science and Engineering, 6(1), 1-13. https://doi.org/10.11648/j.pse.20220601.11

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    ACS Style

    Zhongqiang Sun; Guangao Zhong; Longlong Liu; Zhihao Chen; Wenlong Shen, et al. Stratigraphic Sequence Analysis of Palaeocene in the X Sag, East China Sea Shelf Basin. Pet. Sci. Eng. 2022, 6(1), 1-13. doi: 10.11648/j.pse.20220601.11

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    AMA Style

    Zhongqiang Sun, Guangao Zhong, Longlong Liu, Zhihao Chen, Wenlong Shen, et al. Stratigraphic Sequence Analysis of Palaeocene in the X Sag, East China Sea Shelf Basin. Pet Sci Eng. 2022;6(1):1-13. doi: 10.11648/j.pse.20220601.11

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  • @article{10.11648/j.pse.20220601.11,
      author = {Zhongqiang Sun and Guangao Zhong and Longlong Liu and Zhihao Chen and Wenlong Shen and Jinliang Zhang},
      title = {Stratigraphic Sequence Analysis of Palaeocene in the X Sag, East China Sea Shelf Basin},
      journal = {Petroleum Science and Engineering},
      volume = {6},
      number = {1},
      pages = {1-13},
      doi = {10.11648/j.pse.20220601.11},
      url = {https://doi.org/10.11648/j.pse.20220601.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.pse.20220601.11},
      abstract = {The X sag in the East China Sea Shelf Basin has great exploration potential and rich oil and gas resources, but the exploration degree is low, and the exploration process still faces the key geological problem of inconsistent sequence stratigraphic framework. Therefore, this study is based on regional geology, logging, seismic and analysis data, using well-seismic correlation, spectrum analysis, wavelet transform, relative sea level change analysis and other methods, through the identification of sequence boundaries of seismic and drilling at all levels, supplemented by stratigraphic sequence cycle and relative sea level change analysis. According to different sequence stratigraphic models, the Paleocene stratigraphic division scheme of X sag is determined. The Paleocene strata are divided into five third-order sequences, namely Y Formation, lower L Formation, upper L Formation, lower M Formation and upper M Formation, thirteen fourth-order sequences are further identified, which Y Formation and upper M Formation are divided into transgressive system tract and regressive system tract, the lower L Formation, upper L Formation and lower M Formation are divided into lowstand system tract, transgressive system tract and highstand system tract, and a unified stratigraphic sequence framework of the whole region is established. It provides geological support for the study of sedimentary facies and its development law under the control of Paleocene stratigraphic sequence in X sag, promoting the unification of basic geological understanding of X sag and the selection of favorable areas in the next exploration work.},
     year = {2022}
    }
    

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  • TY  - JOUR
    T1  - Stratigraphic Sequence Analysis of Palaeocene in the X Sag, East China Sea Shelf Basin
    AU  - Zhongqiang Sun
    AU  - Guangao Zhong
    AU  - Longlong Liu
    AU  - Zhihao Chen
    AU  - Wenlong Shen
    AU  - Jinliang Zhang
    Y1  - 2022/01/08
    PY  - 2022
    N1  - https://doi.org/10.11648/j.pse.20220601.11
    DO  - 10.11648/j.pse.20220601.11
    T2  - Petroleum Science and Engineering
    JF  - Petroleum Science and Engineering
    JO  - Petroleum Science and Engineering
    SP  - 1
    EP  - 13
    PB  - Science Publishing Group
    SN  - 2640-4516
    UR  - https://doi.org/10.11648/j.pse.20220601.11
    AB  - The X sag in the East China Sea Shelf Basin has great exploration potential and rich oil and gas resources, but the exploration degree is low, and the exploration process still faces the key geological problem of inconsistent sequence stratigraphic framework. Therefore, this study is based on regional geology, logging, seismic and analysis data, using well-seismic correlation, spectrum analysis, wavelet transform, relative sea level change analysis and other methods, through the identification of sequence boundaries of seismic and drilling at all levels, supplemented by stratigraphic sequence cycle and relative sea level change analysis. According to different sequence stratigraphic models, the Paleocene stratigraphic division scheme of X sag is determined. The Paleocene strata are divided into five third-order sequences, namely Y Formation, lower L Formation, upper L Formation, lower M Formation and upper M Formation, thirteen fourth-order sequences are further identified, which Y Formation and upper M Formation are divided into transgressive system tract and regressive system tract, the lower L Formation, upper L Formation and lower M Formation are divided into lowstand system tract, transgressive system tract and highstand system tract, and a unified stratigraphic sequence framework of the whole region is established. It provides geological support for the study of sedimentary facies and its development law under the control of Paleocene stratigraphic sequence in X sag, promoting the unification of basic geological understanding of X sag and the selection of favorable areas in the next exploration work.
    VL  - 6
    IS  - 1
    ER  - 

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Author Information
  • Department of Geography, Lingnan Normal University, Zhanjiang, China

  • Department of Geography, Lingnan Normal University, Zhanjiang, China

  • Department of Geography, Lingnan Normal University, Zhanjiang, China

  • Department of Geography, Lingnan Normal University, Zhanjiang, China

  • China National Offshore Oil Corporation, Shanghai Branch, Shanghai, China

  • Faculty of Geographical Science, Beijing Normal University, Beijing, China

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