| 河西走廊地区石炭系烃源岩的特征 |
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| 引用本文： | 魏建设,卢进才,魏仙样,李玉宏.河西走廊地区石炭系烃源岩的特征[J].地质通报,2010,29(203):367-373. |
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| 作者姓名： | 魏建设 卢进才 魏仙样 李玉宏 |
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| 作者单位： | 中国地质调查局西安地质调查中心，陕西 西安 710054 |
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| 摘 要： | 通过对河西走廊地区石炭系烃源岩的分布、有机质丰度、有机质类型、有机质成熟度等特征的综合评价，指出河西走廊地区石炭系广泛分布以暗色泥页岩、炭质泥岩为主的烃源岩，具有厚度大、有机质丰度高、以Ⅱ—Ⅲ型干酪根为主的烃源岩。平面上，河西走廊东部中卫—靖远地区石炭系生烃条件最为有利，纵向上，靖远组和羊虎沟组为主要的烃源岩发育层段。总之，河西走廊地区石炭系不乏油气生成的物质基础，是油气勘探值得重视的新层系。
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| 关 键 词： | 河西走廊地区 石炭系 烃源岩 地球化学特征 |
Characteristics of Carboniferous hydrocarbon source rocks in Hexi Corridor region, China |
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| WEI Jian-she,LU Jin-cai,WEI Xian-yang,LI Yu-hong.Characteristics of Carboniferous hydrocarbon source rocks in Hexi Corridor region, China[J].Geologcal Bulletin OF China,2010,29(203):367-373. |
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| Authors: | WEI Jian-she LU Jin-cai WEI Xian-yang LI Yu-hong |
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| Institution: | Xi'an Center of Geological Survey, China Geological Survey, Xi'an 710054, Shaanxi, China |
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| Abstract: | Through comprehensive evaluation for Carboniferous hydrocarbon source rocks distribution, organic matter abundance, types and maturity, it is considered that there are widespread source rocks of dark mudstone and carbonaceous mudstone in Hexi Corridor region, and the hydrocarbon source rocks have the characteristics of large thickness, high abundance, II-III types kerogen. There are the best Carboniferous hydrocarbon source rocks within Zhongwei-Jingyuan area in the east of Hexi Corridor region, among which the potential of Jingyuan Formation and Yanghugou Formation hydrocarbon source rocks is the highest. In conclusion, there is great material foundation of Carboniferous hydrocarbon generation in Hexi Corridor region, which is the reason for this set of stratum worthy of attention. |
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