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桦甸盆地桦甸组油页岩成烃生物组成及生烃潜力

王勤 谢小敏 腾格尔 芮晓庆 许锦

王勤, 谢小敏, 腾格尔, 芮晓庆, 许锦. 桦甸盆地桦甸组油页岩成烃生物组成及生烃潜力[J]. 石油实验地质, 2018, 40(3): 403-409. doi: 10.11781/sysydz201803403
引用本文: 王勤, 谢小敏, 腾格尔, 芮晓庆, 许锦. 桦甸盆地桦甸组油页岩成烃生物组成及生烃潜力[J]. 石油实验地质, 2018, 40(3): 403-409. doi: 10.11781/sysydz201803403
WANG Qin, XIE Xiaomin, TENGER Boltsjin, RUI Xiaoqing, XU Jin. Bio-precursor characterization and hydrocarbon generation potential of shale in Eocene Huadian Formation, Huadian Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2018, 40(3): 403-409. doi: 10.11781/sysydz201803403
Citation: WANG Qin, XIE Xiaomin, TENGER Boltsjin, RUI Xiaoqing, XU Jin. Bio-precursor characterization and hydrocarbon generation potential of shale in Eocene Huadian Formation, Huadian Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2018, 40(3): 403-409. doi: 10.11781/sysydz201803403

桦甸盆地桦甸组油页岩成烃生物组成及生烃潜力

doi: 10.11781/sysydz201803403
基金项目: 国家重点基础研究发展计划(973计划)项目(2014CB239101)、国家自然科学基金项目(41603047,U1663202)和中石化科技部青年创新计划项目(P14132)资助。
详细信息
    作者简介:

    王勤(1971-),女,工程师,从事油气地球化学的实验和研究。E-mail:wangqin.syky@sinopec.com。

    通讯作者:

    谢小敏(1984-),女,硕士,高级工程师,从事有机岩石学和油气地球化学研究。E-mail:xiexm.syky@sinopec.com。

  • 中图分类号: TE122.11

Bio-precursor characterization and hydrocarbon generation potential of shale in Eocene Huadian Formation, Huadian Basin

  • 摘要: 桦甸盆地始新统桦甸组中发育一套优质油页岩。利用显微镜及扫描电镜对该盆地光榔头矿区22个样品进行分析,并对2个含不同藻类的样品进行生烃热模拟实验,研究其成烃生物特征及生烃潜力。桦甸油页岩有机碳含量很高(10.6%~39.6%),氢指数含量高达887 mg/g,显示该套油页岩具有很好的生烃潜力。生物来源主要是蓝细菌组成的层状藻类体,其次结构藻类体较发育(以硅藻和葡萄球藻为主,底栖宏观藻类在部分样品中较多),高等植物主要包括碎屑镜质体、碎屑壳质体、孢子体等。生烃模拟实验结果显示,含较多底栖藻类的HD-20号样品在400℃(Ro=1.02%)时生烃量达到最大值(427 mg/g);而以浮游藻类为主的HD-21号样品,在425℃时(Ro=1.18%)达到最大生烃量(909 mg/g)。虽然HD-20号样品具有很高的有机碳含量(39.6%),但其生烃量较浮游藻类为主的HD-21号样品(有机碳含量29.8%)差,指示底栖藻类具有较低的生烃潜力特征。

     

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出版历程
  • 收稿日期:  2017-10-10
  • 修回日期:  2018-04-10
  • 刊出日期:  2018-05-28

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