Fundamental characteristics of gas hydrate-bearing sediments in the Shenhu area, South China Sea

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Frontiers in Energy

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Fundamental characteristics of gas hydrate-bearing sediments in the Shenhu area, South China Sea

10.1007/s11708-020-0714-z

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Abstract

The basic physical properties of marine natural gas hydrate deposits are important to the understanding of seabed growth conditions, occurrence regularity, and occurrence environment of natural gas hydrates. A comprehensive analysis of the core samples of drilling pressure-holding hydrate deposits at a depth of 1310 m in the Shenhu area of the South China Sea was conducted. The experimental results indicate that the particle size in the hydrate sediment samples are mainly distributed in the range from 7.81 µm to 21.72µm, and the average particle size decreases as the depth of the burial increases. The X-ray CT analytical images and surface characteristics SEM scan images suggest that the sediment is mostly silty clay. There are a large number of bioplastics in the sediment, and the crack inside the core may be areas of hydrate formation.

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natural gas hydrate ; Shenhu area ; reservoirs characteristics

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Frontiers in Energy

Fundamental characteristics of gas hydrate-bearing sediments in the Shenhu area, South China Sea

Abstract

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Figures(5)

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其他(2)

Frontiers in Energy

Fundamental characteristics of gas hydrate-bearing sediments in the Shenhu area, South China Sea

Abstract

Keywords

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