| 鄂尔多斯盆地北部煤系有机显微组分特征与生烃潜力 |
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| 引用本文： | 敖卫华,黄文辉,姚艳斌.鄂尔多斯盆地北部煤系有机显微组分特征与生烃潜力[J].吉林大学学报(地球科学版),2011(Z1):91-97. |
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| 作者姓名： | 敖卫华 黄文辉 姚艳斌 |
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| 作者单位： | 中国地质大学能源学院;中国矿业大学煤炭资源与安全开采国家重点实验室; |
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| 基金项目： | 国家“973”计划项目(2006CB202202); 国家自然科学基金项目(40972106,40772095); 中国矿业大学煤炭资源与安全开采国家重点实验室开放研究基金项目(SKLCRSM09KFB01) |
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| 摘 要： | 以鄂尔多斯盆地北部煤系伊24井及其周围地区煤系为对象,重点研究煤的不同显微组分特征及生烃能力。结果显示:该地区烃源岩族组成中以高含量的沥青质、中含量的非烃和芳烃、低含量的饱和烃为特征,总体上属于气源岩;有机质类型属腐殖型。煤的镜下鉴定以基质镜质组为特征,可观察到大量孢子体、角质体,但树脂体少见,且未发现藻类体。镜质组生烃潜力是壳质组的1/4,是惰质组的2.5倍,是主要的生烃组分,形成于弱还原环境。延安组主体进入低成熟阶段(R moax=0.50%～0.70%),山西组—太原组主体进入中—高成熟阶段(R moax=1.40%～1.80%)。伊24井延安组未进入主要的排烃期,山西组—太原组则进入了主要的排烃期,曾经发生了大量的排烃作用,是附近地区重要的气源岩。
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| 关 键 词： | 鄂尔多斯盆地 煤 有机显微组分 生烃潜力 |
Macerals' Characteristics and Hydrocarbon Generation Potential of Coal-Bearing Series in the Northern Ordos Basin |
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| AO Wei-hua,HUANG Wen-hui,YAO Yan-bin .School of Energy Resources,China University of Geosciences,Beijing ,China .State Key Laboratory of Coal Resources , Safe Exploitation,China University of Mining , Technology,China.Macerals' Characteristics and Hydrocarbon Generation Potential of Coal-Bearing Series in the Northern Ordos Basin[J].Journal of Jilin Unviersity:Earth Science Edition,2011(Z1):91-97. |
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| Authors: | AO Wei-hua HUANG Wen-hui YAO Yan-bin School of Energy Resources China University of Geosciences Beijing China State Key Laboratory of Coal Resources Safe Exploitation China University of Mining Technology China |
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| Institution: | AO Wei-hua1,2,HUANG Wen-hui1,YAO Yan-bin1 1.School of Energy Resources,China University of Geosciences,Beijing 100083,China 2.State Key Laboratory of Coal Resources and Safe Exploitation,China University of Mining and Technology,China |
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| Abstract: | The coal bearing series in the northern Ordos basin are studied to indicate the characteristics and hydrocarbon potential of different macerals.The rock samples are indicated to be gas sourcerocks that contain high level of bitumen,medium level of non-hydrocarbon and low level of saturated hydrocarbon.Macrosporinite and cutinite are observed in large quantity and less resinite and noalginate are observed under microscope,which indicates that the coal belongs to vitrinite,which was formed in weak reductive e... |
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| Keywords: | Ordos basin coal macerals hydrocarbon potential |
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