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Sensitivity and Resolution of Controlled-Source Electromagnetic Method for Gas Hydrate Stable Zone

Author

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  • Zhenwei Guo

    (Key Laboratory of Metallogenic Prediction of Nonferrous Metals and Geological Environment Monitoring, Central South University, Ministry of Education, Changsha 410083, China
    Hunan Key Laboratory of Nonferrous Resources and Geological Hazard Exploration, Changsha 410083, China
    Department of Applied Geophysics, School of Geosciences and Info-Physics, Central South University, Changsha 410083, China)

  • Yunxi Yuan

    (Key Laboratory of Metallogenic Prediction of Nonferrous Metals and Geological Environment Monitoring, Central South University, Ministry of Education, Changsha 410083, China
    Hunan Key Laboratory of Nonferrous Resources and Geological Hazard Exploration, Changsha 410083, China
    Department of Applied Geophysics, School of Geosciences and Info-Physics, Central South University, Changsha 410083, China)

  • Mengyuan Jiang

    (Department of Applied Geophysics, School of Geosciences and Info-Physics, Central South University, Changsha 410083, China)

  • Jianxin Liu

    (Key Laboratory of Metallogenic Prediction of Nonferrous Metals and Geological Environment Monitoring, Central South University, Ministry of Education, Changsha 410083, China
    Hunan Key Laboratory of Nonferrous Resources and Geological Hazard Exploration, Changsha 410083, China
    Department of Applied Geophysics, School of Geosciences and Info-Physics, Central South University, Changsha 410083, China)

  • Xianying Wang

    (Guangzhou Marine Geological Survey, Guangzhou 510075, China)

  • Bochen Wang

    (Key Laboratory of Metallogenic Prediction of Nonferrous Metals and Geological Environment Monitoring, Central South University, Ministry of Education, Changsha 410083, China
    Hunan Key Laboratory of Nonferrous Resources and Geological Hazard Exploration, Changsha 410083, China
    Department of Applied Geophysics, School of Geosciences and Info-Physics, Central South University, Changsha 410083, China)

Abstract

Natural gas hydrate is one of the most important clean energies and part of carbon cycle, due to the least carbon content. Natural gas hydrates depend on high pressure and low temperatures, located under seabed or permafrost. Small changes in temperature and pressure may lead gas hydrates to separate into water and gas, commonly as methane. As a powerful greenhouse gas, methane is much stronger than carbon dioxide. Therefore, it is necessary to detect the gas hydrates stable zone (GHSZ) before the methane gas escapes from GHSZ. Marine controlled source electromagnetic method (CSEM) is a useful tool to detect gas hydrate in offshore. The results from 3D CSEM method are a resistivity cube to describe the distribution of gas hydrates. In order to study the detectability of CSEM method, we simulate the sensitivity and resolution of marine CSEM synthetic data. By using the sensitivity and resolution, a simple statement may be quickly judged on the existence and occurrence range of the natural gas hydrate. In this paper, we compare the resolution of marine CSEM method with various transverse resistance. This information may help researchers find out whether the GHSZ exists or not.

Suggested Citation

  • Zhenwei Guo & Yunxi Yuan & Mengyuan Jiang & Jianxin Liu & Xianying Wang & Bochen Wang, 2021. "Sensitivity and Resolution of Controlled-Source Electromagnetic Method for Gas Hydrate Stable Zone," Energies, MDPI, vol. 14(24), pages 1-9, December.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:24:p:8318-:d:699184
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    Citations

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    Cited by:

    1. Olga Gaidukova & Sergey Misyura & Vladimir Morozov & Pavel Strizhak, 2023. "Gas Hydrates: Applications and Advantages," Energies, MDPI, vol. 16(6), pages 1-19, March.
    2. Steven Constable & Laura A. Stern, 2022. "Monitoring Offshore CO 2 Sequestration Using Marine CSEM Methods; Constraints Inferred from Field- and Laboratory-Based Gas Hydrate Studies," Energies, MDPI, vol. 15(19), pages 1-16, October.
    3. Dmitrii Antonov & Olga Gaidukova & Galina Nyashina & Dmitrii Razumov & Pavel Strizhak, 2022. "Prospects of Using Gas Hydrates in Power Plants," Energies, MDPI, vol. 15(12), pages 1-20, June.
    4. Olga Gaidukova & Sergey Misyura & Igor Donskoy & Vladimir Morozov & Roman Volkov, 2022. "Pool Fire Suppression Using CO 2 Hydrate," Energies, MDPI, vol. 15(24), pages 1-23, December.

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