北黄海盆地中生界原油特征及油源初探
Crude Oil Characteristics and Oil-Source Analysis of Mesozoic in the North Yellow Sea Basin
查看参考文献12篇
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文摘
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北黄海盆地是中国勘探程度较低的一个海域,目前发现的原油产于下白垩统。其原油具有高密度、中高含蜡、低含硫的特点,属于较典型的湖相成熟原油,未经历过明显的生物降解过程。对原油及该盆地内两套主要的烃源岩(中侏罗统和上侏罗统烃源岩)进行色谱、质谱及碳同位素组成特征等分析,进行油源对比,结果表明:原油的碳同位素组成、异戊二烯烷烃分布、萜烷和甾烷类生物标志物及分子级的正构烷烃单体碳同位素组成等特征都与中侏罗统烃源岩存在较大差别,原油应来源于上侏罗统烃源岩中干酪根类型较好、母质以低等水生生物为主的湖相成熟烃源岩。 |
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其他语种文摘
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The North Yellow Sea basin is one of China's low degree of prospecting area where the crude oil found at present is produced in Lower Cretaceous. It has the characteristics of high density, mid-high wax and low sulfur, belonging to typical lacustrine mature crude oil, without obvious biological degradation. The GC, GC-MS and carbon isotope composition analyses of the crude oil and the Middle and Upper Jurassic source rocks are conducted and the oil-source correlation is made in this paper. The results indicate that the characteristics of the carbon isotopic composition, isoprene, terpane and sterane biomarker, stable carbon isotopic compositions of the individual n-alkanes are different from the Middle Jurassic source rocks. The crude oils could come from the lacustrine mature source rocks with good kerogen type and parent materials dominated by low aquatic organisms. |
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来源
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新疆石油地质
,2013,34(5):515-518 【核心库】
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关键词
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北黄海盆地
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中生界
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原油特征
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油源对比
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地址
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1.
广州海洋地质调查局, 广州, 510760
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中国科学院广州地球化学研究所, 广州, 510640
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1001-3873 |
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学科
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石油、天然气工业 |
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文献收藏号
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CSCD:4977771
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12
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