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Geothermal Resource Exploration in Reshi Town by Integrated Geophysical Methods

Author

Listed:
  • Ijaz Ahmed

    (School of Geosciences and Info-Physics, Central South University, Changsha 410083, China
    AIoT Innovation and Entrepreneurship Education Center for Geology and Geophysics, Central South University, Changsha 410083, China)

  • Haifei Liu

    (School of Geosciences and Info-Physics, Central South University, Changsha 410083, China
    Key Laboratory of Nonferrous Resources and Geological Hazard Detection of Hunan Province, Central South University, Changsha 410083, China)

  • Rujun Chen

    (School of Geosciences and Info-Physics, Central South University, Changsha 410083, China
    AIoT Innovation and Entrepreneurship Education Center for Geology and Geophysics, Central South University, Changsha 410083, China
    Key Laboratory of Nonferrous Resources and Geological Hazard Detection of Hunan Province, Central South University, Changsha 410083, China)

  • Jawad Ahmad

    (School of Geosciences and Info-Physics, Central South University, Changsha 410083, China
    AIoT Innovation and Entrepreneurship Education Center for Geology and Geophysics, Central South University, Changsha 410083, China)

  • Shahid Ali Shah

    (School of Geosciences and Info-Physics, Central South University, Changsha 410083, China
    AIoT Innovation and Entrepreneurship Education Center for Geology and Geophysics, Central South University, Changsha 410083, China)

  • Shah Fahad

    (School of Geosciences and Info-Physics, Central South University, Changsha 410083, China
    AIoT Innovation and Entrepreneurship Education Center for Geology and Geophysics, Central South University, Changsha 410083, China)

  • Osama Abdul Rahim

    (School of Geosciences and Info-Physics, Central South University, Changsha 410083, China
    AIoT Innovation and Entrepreneurship Education Center for Geology and Geophysics, Central South University, Changsha 410083, China)

  • Farid Ullah

    (School of Geosciences and Info-Physics, Central South University, Changsha 410083, China
    AIoT Innovation and Entrepreneurship Education Center for Geology and Geophysics, Central South University, Changsha 410083, China)

  • Li Rui

    (School of Geosciences and Info-Physics, Central South University, Changsha 410083, China
    AIoT Innovation and Entrepreneurship Education Center for Geology and Geophysics, Central South University, Changsha 410083, China)

Abstract

Geothermal resources are a sustainable and valuable source of energy that offers considerable economic and social advantages. The present investigation centers on the accessibility of geothermal reservoirs in Reshi Town, Taoyuan County, Changde City, located in the Hunan Province of China. Geophysical exploration techniques are of paramount importance in the identification and exploration of geothermal resources. The present investigation utilized an integrated geophysical approach that incorporates induced polarization (IP), magnetotelluric (MT), and joint profile techniques. The primary objective of this study was to examine the distribution of formation lithology, subsurface electrical structures, karst fracture development zones, and the location and occurrence of deep and large thermal reservoirs in Reshi Town, Changde City. The research encompassed a comprehensive process that included the collection of data, its subsequent interpretation, inversion, and validation through drilling. The joint profile approach provided comprehensive data on fault structures within the study region. Using magnetotelluric sounding, areas with lower electrical resistance were found along lines L2, L3, and L4. This showed that thermal water reservoirs were underground. The induced polarization sounding method exhibited a distinct response to geothermal water, including minerals, suggesting the presence of a high-temperature geothermal reservoir, along line 1. Drilling operations carried out at two different locations, ZK01 on line L3 and ZK02 on line L4, confirmed the existence of underground hot water. The drilling findings have verified the existence of faults F3 and F4, which act as important channels for geothermal fluids. The present research offers a dependable geophysical foundation for the forthcoming development of geothermal resources in Reshi Town, and areas with similar geological conditions.

Suggested Citation

  • Ijaz Ahmed & Haifei Liu & Rujun Chen & Jawad Ahmad & Shahid Ali Shah & Shah Fahad & Osama Abdul Rahim & Farid Ullah & Li Rui, 2024. "Geothermal Resource Exploration in Reshi Town by Integrated Geophysical Methods," Energies, MDPI, vol. 17(4), pages 1-20, February.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:4:p:856-:d:1337665
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    References listed on IDEAS

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    1. Zhu, Jialing & Hu, Kaiyong & Lu, Xinli & Huang, Xiaoxue & Liu, Ketao & Wu, Xiujie, 2015. "A review of geothermal energy resources, development, and applications in China: Current status and prospects," Energy, Elsevier, vol. 93(P1), pages 466-483.
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