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    Experimental Study of the Effect of Clay Minerals on the Electrical Characteristics of Clayey Silt Hydrate-Bearing Sediments

    Source: Journal of Energy Engineering:;2025:;Volume ( 151 ):;issue: 002::page 04025001-1
    Author:
    Yujiang Shi
    ,
    Shaocheng Luo
    ,
    Yabin Yao
    ,
    Huaimin Dong
    ,
    Daojie Cheng
    ,
    Cuixia Qu
    ,
    Yu Mu
    ,
    Na Li
    DOI: 10.1061/JLEED9.EYENG-5828
    Publisher: American Society of Civil Engineers
    Abstract: The mineral composition and content vary greatly in different layers of the clayey silt hydrate-bearing reservoirs in the South China Sea, and the changes in mineral composition and content directly affect the formation and dissociation characteristics of gas hydrates, resulting in differences in electrical characteristics, especially the changes in clay mineral type and content, which have a more significant impact on the hydrate-bearing sediments. In this investigation, the effects of clay mineral types and contents on the synthesis and electrical characteristics of clayey silt hydrate-bearing sediments were studied by simulating the formation and dissociation of gas hydrates. Besides, the microscopic characteristics of gas hydrates were analyzed by high-precision X-ray computed tomography (CT) scanning technology, and the macroscopic electrical behavior mechanism of clayey silt hydrate-bearing sediments containing different clay minerals was revealed. The results show that the formation rate and dissociation rate of montmorillonite silt hydrate-bearing sediments are lower than those of illite silt hydrate-bearing sediments under the same formation and dissociation conditions. Besides, the resistivity of illite silt hydrate-bearing sediments is more significantly affected by gas hydrates. During the process of formation and dissociation, the resistivity of illite silt hydrate-bearing sediments with the same gas hydrate saturation is higher than that of montmorillonite samples.
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      Experimental Study of the Effect of Clay Minerals on the Electrical Characteristics of Clayey Silt Hydrate-Bearing Sediments

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/4304570
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    • Journal of Energy Engineering

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    contributor authorYujiang Shi
    contributor authorShaocheng Luo
    contributor authorYabin Yao
    contributor authorHuaimin Dong
    contributor authorDaojie Cheng
    contributor authorCuixia Qu
    contributor authorYu Mu
    contributor authorNa Li
    date accessioned2025-04-20T10:21:58Z
    date available2025-04-20T10:21:58Z
    date copyright1/7/2025 12:00:00 AM
    date issued2025
    identifier otherJLEED9.EYENG-5828.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4304570
    description abstractThe mineral composition and content vary greatly in different layers of the clayey silt hydrate-bearing reservoirs in the South China Sea, and the changes in mineral composition and content directly affect the formation and dissociation characteristics of gas hydrates, resulting in differences in electrical characteristics, especially the changes in clay mineral type and content, which have a more significant impact on the hydrate-bearing sediments. In this investigation, the effects of clay mineral types and contents on the synthesis and electrical characteristics of clayey silt hydrate-bearing sediments were studied by simulating the formation and dissociation of gas hydrates. Besides, the microscopic characteristics of gas hydrates were analyzed by high-precision X-ray computed tomography (CT) scanning technology, and the macroscopic electrical behavior mechanism of clayey silt hydrate-bearing sediments containing different clay minerals was revealed. The results show that the formation rate and dissociation rate of montmorillonite silt hydrate-bearing sediments are lower than those of illite silt hydrate-bearing sediments under the same formation and dissociation conditions. Besides, the resistivity of illite silt hydrate-bearing sediments is more significantly affected by gas hydrates. During the process of formation and dissociation, the resistivity of illite silt hydrate-bearing sediments with the same gas hydrate saturation is higher than that of montmorillonite samples.
    publisherAmerican Society of Civil Engineers
    titleExperimental Study of the Effect of Clay Minerals on the Electrical Characteristics of Clayey Silt Hydrate-Bearing Sediments
    typeJournal Article
    journal volume151
    journal issue2
    journal titleJournal of Energy Engineering
    identifier doi10.1061/JLEED9.EYENG-5828
    journal fristpage04025001-1
    journal lastpage04025001-10
    page10
    treeJournal of Energy Engineering:;2025:;Volume ( 151 ):;issue: 002
    contenttypeFulltext
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