| 南鄱阳坳陷乐探1井原油树皮煤成油的地球化学特征 |
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| 引用本文： | 杨斌,马孝祥,周松源,覃军,唐协华.南鄱阳坳陷乐探1井原油树皮煤成油的地球化学特征[J].海相油气地质,2005,10(3):31-35. |
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| 作者姓名： | 杨斌 马孝祥 周松源 覃军 唐协华 |
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| 作者单位： | 1. 中国石油集团杭州地质研究所;中国石油浙江勘探分公司研究所
2. 中国石油浙江勘探分公司研究所 |
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| 摘 要： | 南鄱阳坳陷二甲村凹陷乐探1井在上白垩统周家店组发现油气显示。其原油的地球化学特征与新疆非树皮煤成因的煤成油对比表明,它既具有煤成油的一般特征(如原油物性、族组分、姥植比、碳同位素特征),又有树皮煤的特殊性(如轻烃甲基环己烷指标、规则甾烷和萜烷的组成特征等),由此认为该井原油主要是由树皮煤形成的煤成油,它与本区广泛分布的海相二叠系龙潭组树皮煤有亲缘关系。
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| 关 键 词： | 南鄱阳坳陷 晚白垩世 烃源岩 树皮煤成油 油源对比 地球化学特征 |
Geochemistry of Bark Coal-originating Oil from Well Letan-1 in Nanpoyang Depression, Poyang Basin |
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| Yang Bin,Ma Xiaoxiang,Zhou Songyuan,Qin Jun,Tang Xiehua.Geochemistry of Bark Coal-originating Oil from Well Letan-1 in Nanpoyang Depression, Poyang Basin[J].Marine Origin Petroleum Geology,2005,10(3):31-35. |
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| Authors: | Yang Bin Ma Xiaoxiang Zhou Songyuan Qin Jun Tang Xiehua |
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| Abstract: | Upper Cretaceous Zhoujiadian oil indication was discovered and oil produced from Well Letan- 1 in Erjiachun Sag ofNapoyang Depression in 2004. Geochemical analysis shows that correlated with the coal-related oil from some oilfields in Xinjiang,this oil behaves as both common coal-related oil and particular bark coal-related oil. It is demonstrated that this low-yielded oil ismainly a sort of oil originating from bark coal, which is genetically related with marine Permian Longtan bark coal that is widelydistributed in this region. |
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| Keywords: | Nanpoyang Depression Late Cretaceous Source rock Bark coal- originating oil Oil source correlation Geochemical characteristics |
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