南海天然气水合物稳定带厚度及资源量估算

葛倩; 王家生; 向华; 胡高伟

Volume 31 Issue 2

Mar. 2006

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GE Qian, WANG Jia-sheng, XIANG Hua, HU Gao-wei, 2006. Computation of Thickness of Gas Hydrate Stability Zone and Potential Volume of Gas Hydrate in South China Sea. Earth Science, 31(2): 245-249.

Citation:

GE Qian, WANG Jia-sheng, XIANG Hua, HU Gao-wei, 2006. Computation of Thickness of Gas Hydrate Stability Zone and Potential Volume of Gas Hydrate in South China Sea. Earth Science, 31(2): 245-249.

GE Qian, WANG Jia-sheng, XIANG Hua, HU Gao-wei, 2006. Computation of Thickness of Gas Hydrate Stability Zone and Potential Volume of Gas Hydrate in South China Sea. Earth Science, 31(2): 245-249.

Citation:

GE Qian, WANG Jia-sheng, XIANG Hua, HU Gao-wei, 2006. Computation of Thickness of Gas Hydrate Stability Zone and Potential Volume of Gas Hydrate in South China Sea. Earth Science, 31(2): 245-249.

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Computation of Thickness of Gas Hydrate Stability Zone and Potential Volume of Gas Hydrate in South China Sea

GE Qian^{1, 2
,},
WANG Jia-sheng²,
XIANG Hua^{1, 2},
HU Gao-wei^{1, 2}

1.
Graduate School, China University of Geosciences, Wuhan 430074, China
2.
Faculty of Earth Sciences, China University of Geosciences, Wuhan 430074, China

Received Date: 2005-04-19
Publish Date: 2006-03-25

Abstract

Abstract

The South China Sea has long been regarded as abundant in the resource of gas hydrate. Having integrated the data of the depth of the overall South China Sea,and that of geological conditions such as geothermal gradient and bottom water temperature,a Visual Basic.Net program is proposed to compute the thickness of the gas hydrate stability zone and potential volume of gas hydrate in the region. We find that in area 1 gas hydrate may exist,and the maximum thickness of the gas hydrate stability zone is about 400 m when geothermal gradient is 0.06 ℃/m. The distribution of gas hydrate is very equal,the trend is being thicker from outside to inner. But in area 2 there is a lack of gas hydrate because of the depth,geothermal gradient and other factors,and the potential volume of gas hydrate is about 0.55×10⁴ km³. When the geothermal gradient is random,the potential volume of gas hydrate is about 0.57×10⁴ km³. Through getting the different geothermal gradients,we can calculate that the potential volume of gas hydrate in the South China Sea is about 0.6×10⁴ km³.
- gas hydrate,
- South China Sea,
- gas hydrate stability zone,
- potential volume of gas hydrate

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References

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Computation of Thickness of Gas Hydrate Stability Zone and Potential Volume of Gas Hydrate in South China Sea

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