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Discovery of Fuling Shale Gas Field and its prospects

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Abstract

A series of breakthroughs have been made in the understanding, evaluation, and exploration of shale gas from discovery, environmental protection to efficient exploration in the discovering of Fuling Gas Field. By revealing the positive correlation between organic carbon content and siliceous mineral content of shale deposited in deep shelf, dynamic preservation mechanism of “early retention and late deformation,” it is clarified that the shales deposited in deep shelf are the most favorable for shale gas generation, storage and fracturing. The preserving conditions determine the levels of shale gas accumulation, thus the evaluation concept of taking the quality of the shale as the base and the preserving conditions as key is proposed, the evaluation system for strategic selection of favorable zones is established for marine shale gas exploration in Southern China. Moreover, the “sweet point” seismic forecasting technologies for marine shale gas, the “six properties” logging technologies for evaluating shale gas layers, the technologies for quick and efficient drilling of horizontal well groups, and the fracturing technologies for composite fractures for horizontal wells are invented. The paper discussed the exploration prospect of shale gas in the shales of Wufeng-Longmaxi Formation in great depth in Sichuan Basin, shale gas exploration in the outer region of the south, and continental shale gas exploration in China.

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Acknowledgements

The work was supported by the National Science and Technology Major Project of China (Grant No. 2017ZX05036-001).

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Authors and Affiliations

  1. Exploration Branch, Sinopec, Chengdu, 610041, China

    Xusheng Guo, Yu** Li, **lei Li, Minggang Feng & Hua Duan

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  1. Xusheng Guo
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  2. Yu** Li
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  3. **lei Li
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  4. Minggang Feng
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  5. Hua Duan
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Correspondence to Xusheng Guo.

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Guo, X., Li, Y., Li, J. et al. Discovery of Fuling Shale Gas Field and its prospects. Front. Energy 13, 354–366 (2019). https://doi.org/10.1007/s11708-018-0581-z

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  • DOI: https://doi.org/10.1007/s11708-018-0581-z

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