罗斯海天然气水合物成藏条件及资源量评估

doi:10.3969/j.issn.1001-909X.2015.01.003

摘要/Abstract

摘要： 罗斯海位于南极洲太平洋侧,通过对罗斯海气源沉积条件、地质构造条件和温、压条件对罗斯海天然气水合物成藏条件进行综合分析,结果表明罗斯海具备良好的天然气水合物储藏条件和勘探前景。本文在温、压条件的基础上,利用热流数据定量计算了天然气水合物稳定带的厚度,并使用体积分方法初步估算了该区域的天然气水合物的资源前景量。计算结果表明,罗斯海区域的天然气资源量为3.6× 10¹¹ m³,具有可观的经济价值。

关键词: 天然气水合物, 罗斯海, 稳定带厚度, 地温梯度

Abstract: The Ross Sea is located on the Pacific side of the Antarctica. Based on analysis of sedimentary, structural and temperature-pressure conditions,it is proved that Rose Sea has good conditions for the reservation and exploration prospects of gas hydrates. In this paper,the heat flow data are used to calculate the thickness of the gas hydrate stability zone. An integral method is conducted to estimate the amount of gas hydrate resources in this region. The results show that the amount of gas hydrate resources of Ross Sea region is 3.6×10¹¹ m³, which means considerable economic value.

Key words: gas hydrates, the Ross Sea, thickness of stability zone, geothermal gradient

中图分类号:

P618.13

王威, 高金耀, 沈中延, 张涛. 罗斯海天然气水合物成藏条件及资源量评估[J]. 海洋学研究, 2015, 33(1): 16-24.

WANG Wei, GAO Jin-yao, SHEN Zhong-yan, ZHANG Tao. Formation and storage conditions of gas hydrate and resource assessment of Ross Sea[J]. Journal of Marine Sciences, 2015, 33(1): 16-24.

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