公繁浩, 黄欣, 陈树旺, 郑月娟, 张健, 苏飞. 内蒙古西乌珠穆沁旗地区寿山沟组烃源岩有机地球化学特征[J]. 地质通报, 2013, 32(8): 1322-1328.
    引用本文: 公繁浩, 黄欣, 陈树旺, 郑月娟, 张健, 苏飞. 内蒙古西乌珠穆沁旗地区寿山沟组烃源岩有机地球化学特征[J]. 地质通报, 2013, 32(8): 1322-1328.
    GONG Fan-hao, HUANG Xin, CHEN Shu-wang, ZHENG Yue-juan, ZHANG Jian, SU Fei. Organic geochemical characteristics of source rocks in Shoushangou Formation, Xi Ujimqin Banner of Inner Mongolia[J]. Geological Bulletin of China, 2013, 32(8): 1322-1328.
    Citation: GONG Fan-hao, HUANG Xin, CHEN Shu-wang, ZHENG Yue-juan, ZHANG Jian, SU Fei. Organic geochemical characteristics of source rocks in Shoushangou Formation, Xi Ujimqin Banner of Inner Mongolia[J]. Geological Bulletin of China, 2013, 32(8): 1322-1328.

    内蒙古西乌珠穆沁旗地区寿山沟组烃源岩有机地球化学特征

    Organic geochemical characteristics of source rocks in Shoushangou Formation, Xi Ujimqin Banner of Inner Mongolia

    • 摘要: 内蒙古西乌珠穆沁旗地区广泛出露下二叠统寿山沟组暗色泥页岩。选取该组塔宾庙林场剖面的烃源岩样品,进行有机质丰度、类型、成熟度等有机地球化学特征研究,初步对其生烃潜力进行评价。研究表明,西乌旗地区下二叠统寿山沟组暗色泥页岩的有机质丰度达到了中等—好烃源岩标准;有机质来源以高等植物为主,干酪根类型以Ⅲ型为主。有机质热演化进入高成熟—过成熟演化阶段,是潜在的烃(特别是气)源岩,系上古生界重要的烃源岩勘探层系之一。

       

      Abstract: Dark mudstone and shale of Lower Permian Shoushangou Formation are well developed in Xi Ujimqin Banner of Inner Mongolia. Organic geochemical studies of hydrocarbon source rock samples collected from Tabinmiao forestry center profile were conducted in the aspects of organic matter abundance, kerogen types and maturity of organic matter, so as to evaluate the hydrocarbon potential. Organic matter abundance of Shoushangou Formation in Xi Ujimqin Banner of Inner Mongolia has reached moderate to good hydrocarbon source rock standard; organic matter was derived mainly from higher plants, and the kerogen belongs to type Ⅲ. Thermal evolution of organic matter entered into the mature to over mature stage. Hence the Shoushangou Formation is the potential hydrocarbon (particularly gas) source rock and serves as another important Upper Paleozoic layer in the peripheral oil and gas exploration of the Songliao basin.

       

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