| 湘中南龙潭煤系煤岩显微组分的有机地球化学特征与生烃潜力 |
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| 引用本文： | 陈纯芳 曲美艳. 湘中南龙潭煤系煤岩显微组分的有机地球化学特征与生烃潜力[J]. 石油实验地质, 1998, 20(4): 417-421. DOI: 10.11781/sysydz199804417 |
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| 作者姓名： | 陈纯芳 曲美艳 |
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| 作者单位： | 1.中国地质大学, 北京, 100083 |
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| 摘 要： | 本文通过对湘中南龙潭煤系煤岩显微组分的有机地球化学特征和生烃潜力的综合研究,指出其气、肥煤中的壳质组是具有很高的生烃潜力的生烃母质;镜质组,特别是发荧光的基质镜质体具有较高的生烃潜力;惰质组的生烃潜力最小,且以生气为主,但其中孔隙发育,对于烃的储集具有重要意义。
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| 关 键 词： | 湘中南 龙潭煤系 煤显微组分 生烃潜力 |
| 收稿时间： | 1998-05-18 |
HYDROCARBON-GENERATING POTIENTIAL OF DIFFERENT MICROMACERALS FROM CAOLS OF LONTAN FORMATION IN MIDDLE-SOUTHERN HUNAN PROVINCE |
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| Affiliation: | 1.China University of Geosciences, Beijing 1000832. Institute of Marine Geology, MNLR, Qingdao 266071 |
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| Abstract: | Based on research of coal petrology and organic geochemistry,hydrocarbon-generating potiential of different coal micromacerals which separated from gas coal and fat coal of Longtan formation in the middle-southern area of Hunan province has been discussed.The study suggested that exinite was the best maceral for generating hydrocarbon,vitrinite took the second place.Both of them are major hydrocarbon-generating macerals,parameters of Bitumen "A" and ROCK-EVAL supported that they can generate oil and gas.Inerlinite is by no means simply a bad source maceral for generating hydrocarbon,it can also produce some gas and its hydrocarbon-generating potiential is decided by the evolutionary stage of coal and the other macerals associated with it.However,its high porosity may be a good reservoir for hydrocarbon. |
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