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Enrichment and Exploration Potential of Shale Gas in the Permian Wujiaping Formation, Northeastern Sichuan Basin

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Listed:
  • Long Wen

    (PetroChina Southwest Oil & Gasfield Company, Chengdu 610051, China)

  • Lurui Dang

    (PetroChina Southwest Oil & Gasfield Company, Chengdu 610051, China)

  • Jirong Xie

    (PetroChina Southwest Oil & Gasfield Company, Chengdu 610051, China)

  • Benjian Zhang

    (Exploration and Development Research Institute, PetroChina Southwest Oil & Gasfield Company, Chengdu 610041, China)

  • Jungang Lu

    (National Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, China
    Sichuan Natural Gas Geology Key Laboratories, Chengdu 610500, China
    School of Geoscience and Technology, Southwest Petroleum University, Chengdu 610500, China)

  • Haofei Sun

    (Exploration and Development Research Institute, PetroChina Southwest Oil & Gasfield Company, Chengdu 610041, China)

  • Ying Ming

    (Exploration and Development Research Institute, PetroChina Southwest Oil & Gasfield Company, Chengdu 610041, China)

  • Hualing Ma

    (PetroChina Southwest Oil & Gasfield Company, Chengdu 610051, China)

  • Xiao Chen

    (Exploration and Development Research Institute, PetroChina Southwest Oil & Gasfield Company, Chengdu 610041, China)

  • Chang Xu

    (Exploration and Development Research Institute, PetroChina Southwest Oil & Gasfield Company, Chengdu 610041, China)

  • Liang Xu

    (Shale Gas Research Institute, PetroChina Southwest Oil & Gasfield Company, Chengdu 610051, China
    Sichuan Key Laboratory of Shale Gas Evaluation and Exploitation, Guanghan 618300, China)

  • Lexin Yuan

    (National Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, China
    Sichuan Natural Gas Geology Key Laboratories, Chengdu 610500, China
    School of Geoscience and Technology, Southwest Petroleum University, Chengdu 610500, China)

Abstract

The high-yield industrial gas from Sichuan Basin’s Wujiaping (P 3 w ) shale reveals a new unconventional exploration play. Due to the strong heterogeneity of shale gas, its enrichment and exploration potential remain unclear. Geochemical and other experiments conducted on this layer have shown that: (1) The third member of the P 3 w (P 3 w 3 ) shale has optimal quality, with large thickness and wide distribution. The average TOC value is 6.09%, and the organic matter type is II 1 ~II 2 . (2) Shale gas in the P 3 w is supplied by organic-rich shale; enrichment is promoted by siliceous/clay shale interbedding, with storage in organic matter pores and fractures. (3) Comparative analyses with the Wufeng–Longmaxi shales (O 3 w -S 1 l ) show that P 3 w 3 is the layer with the greatest potential for shale gas exploration.

Suggested Citation

  • Long Wen & Lurui Dang & Jirong Xie & Benjian Zhang & Jungang Lu & Haofei Sun & Ying Ming & Hualing Ma & Xiao Chen & Chang Xu & Liang Xu & Lexin Yuan, 2025. "Enrichment and Exploration Potential of Shale Gas in the Permian Wujiaping Formation, Northeastern Sichuan Basin," Energies, MDPI, vol. 18(17), pages 1-14, August.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:17:p:4506-:d:1732149
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    References listed on IDEAS

    as
    1. Aishat Adebonike Adedayo-Ojo & Muhammad Kashif Shad & Wai Ching Poon, 2025. "Circular Economy in the Oil and Gas Industry: A Data-Driven Bibliometric Analysis," Circular Economy and Sustainability, Springer, vol. 5(4), pages 3465-3527, August.
    2. Yao Du & Xingzhi Wang & Ruifeng Tang & Yiqing Zhu & Cong Yang & Hongfei Zhou & Qian Pang, 2022. "Extraordinarily High Organic Matter Enrichment in Upper Permian Wujiaping Formation in the Kaijiang-Liangping Trough, Sichuan Basin," Energies, MDPI, vol. 16(1), pages 1-17, December.
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