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黔南坳陷下石炭统摆佐组暗色页岩热演化与生烃史研究

宋颖睿 侯宇光 刘宇坤 何生 范志伟 梁雅琪

宋颖睿, 侯宇光, 刘宇坤, 何生, 范志伟, 梁雅琪. 黔南坳陷下石炭统摆佐组暗色页岩热演化与生烃史研究[J]. 石油实验地质, 2018, 40(2): 226-232. doi: 10.11781/sysydz201802226
引用本文: 宋颖睿, 侯宇光, 刘宇坤, 何生, 范志伟, 梁雅琪. 黔南坳陷下石炭统摆佐组暗色页岩热演化与生烃史研究[J]. 石油实验地质, 2018, 40(2): 226-232. doi: 10.11781/sysydz201802226
SONG Yingrui, HOU Yuguang, LIU Yukun, HE Sheng, FAN Zhiwei, LIANG Yaqi. Thermal evolution and hydrocarbon generation histories of black shale in Lower Carboniferous Baizuo Formation, Southern Guizhou Depression[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2018, 40(2): 226-232. doi: 10.11781/sysydz201802226
Citation: SONG Yingrui, HOU Yuguang, LIU Yukun, HE Sheng, FAN Zhiwei, LIANG Yaqi. Thermal evolution and hydrocarbon generation histories of black shale in Lower Carboniferous Baizuo Formation, Southern Guizhou Depression[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2018, 40(2): 226-232. doi: 10.11781/sysydz201802226

黔南坳陷下石炭统摆佐组暗色页岩热演化与生烃史研究

doi: 10.11781/sysydz201802226
基金项目: 国家自然科学基金项目(41772143,41302111)、“十三五”国家科技重大专项(2016ZX05034002-003)和政府间国际科技创新合作重点专项“中美石炭—二叠系页岩储层评价技术合作研究”(2017YFE0106300)资助。
详细信息
    作者简介:

    宋颖睿(1996-),女,从事页岩油气地质评价、石油地质方面的研究。E-mail:1996syr@sina.com。

    通讯作者:

    侯宇光(1979-),男,副教授,从事油气成藏、非常规油气地质方面的研究和教学工作。E-mail:sporthyg@126.com。

  • 中图分类号: TE122.113

Thermal evolution and hydrocarbon generation histories of black shale in Lower Carboniferous Baizuo Formation, Southern Guizhou Depression

  • 摘要: 为了对黔南坳陷下石炭统摆佐组暗色页岩的生烃能力进行评估,利用油气地质、地球化学资料分析以及含油气系统模拟技术等方法,对其热演化-成熟历史和生烃演化的过程进行了重建。研究表明:摆佐组页岩具有较高的有机质丰度和较低的生烃潜量,有机质类型主要为Ⅱ2型,已经达到高-过成熟阶段;摆佐组页岩从中石炭世(约312 Ma)开始进入生烃门限,在早三叠世(约238 Ma)进入过成熟阶段,在早侏罗世(约196 Ma)达到最大埋深9 000 m,最高温度约为200℃;摆佐组页岩分别在二叠纪中期(291~270 Ma)和三叠纪后期(262~208 Ma)达到生油和生气高峰;高演化背景下的油裂解气过程,可为摆佐组页岩气的富集提供充足的甲烷气和存储空间,然而196 Ma以来的构造抬升剥蚀对页岩气的保存具有一定的破坏作用。

     

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  • 收稿日期:  2017-07-03
  • 修回日期:  2018-01-30
  • 刊出日期:  2018-03-28

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