Carbon and Hydrogen Isotopic Compositions Characteristics of the Released Gas from Natural Gas Hydrates in the Qilian Mountains Permafrost

详细信息   

• 责任者：Liu Changling (Key Laboratory of Marine Hydrocarbon Resources and Environmental Geology ; Ministry of Land and Resources ; Qingdao 266071 ; China) ; He Xingliang
• 刊名：Rock and Mineral Analysis
• 出版年：2012
• 卷期：31(3)
• 关键词：气相色谱法 ; gas chromatography ; 质谱法 ; mass spectrometry ; 有机化合物 ; organic compounds
• 页码：p.489-494
• 图表：7 tables, 20 refs.
• 分类号：0900
• issnNo：ISSN0254-5357
• isbnNo：CN11-2131/TD

摘要

Studies on gas isotopes of natural gas hydrates recovered from the Qilian Mountains permafrost is an effective way to understand the genesis and origin of the gas. In this paper, 8 gas hydrate bearing core samples have been collected from 2 scientific drilling holes （DK2 and DK3 ） at the southern foot of the Qilian Mountains permafrost. The results indicate that the hydrate-hound gases in the Qilian Mountains permafrost are mainly thermogenetic gas originating from organic genetic gas formed in a freshwater environment.