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题名: Geochemistry on mantle-derived volatiles in natural gases from eastern China oil/gas provinces .1. A novel helium resource - Commercial accumulation of mantle-derived helium in the sedimentary crust
作者: Xu, YC ; Shen, P ; Tao, MX ; Liu, WH
刊名: SCIENCE IN CHINA SERIES D-EARTH SCIENCES
出版日期: 1997
卷号: 40, 期号:2, 页码:120-129
学科分类: Geology
英文摘要: Commercial accumulation of mantle-derived helium in the sedimentary shell is discussed. Generally speaking, a commercial helium pool is formed by accumulated He-4 that comes from uranium and thorium via a-decay; therefore, it has a very low He-3/He-4 value in the magnitude of 10(-8). The helium concentration in some gas wells of eastern China oil/gas provinces is about or over 0.05%-0.1%, consequently forming commercial helium wells (pools), such as the Wangjinta Gas Pool in Songliao Basin, Huangqiao Gas Pool in North Jiangsu Basin and some gas wells in Sanshui Basin. Studies have proved that when the He-3/He-4 value of a helium gas pool is about 3.7 x 10(-6)-7.2 x 10(-6), namely mantle-derived helium in its total helium concentration accounts for 33.5%-65.41, it is a crust-mantle dual-source or dominantly mantle-derived helium gas pool, which is a novel helium resource and its formation is mainly related to the distribution of megafractures.
收录类别: SCI
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.lig.ac.cn/handle/132962/2294
Appears in Collections:中国科学院兰州地质研究所_期刊论文

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Recommended Citation:
Xu, YC; Shen, P; Tao, MX; Liu, WH.Geochemistry on mantle-derived volatiles in natural gases from eastern China oil/gas provinces .1. A novel helium resource - Commercial accumulation of mantle-derived helium in the sedimentary crust,SCIENCE IN CHINA SERIES D-EARTH SCIENCES,1997,40(2):120-129
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