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渤海湾盆地沾化凹陷页岩微观孔隙特征实验研究

马海洋 夏遵义 温庆志 张鹏宇

马海洋, 夏遵义, 温庆志, 张鹏宇. 渤海湾盆地沾化凹陷页岩微观孔隙特征实验研究[J]. 石油实验地质, 2019, 41(1): 149-156. doi: 10.11781/sysydz201901149
引用本文: 马海洋, 夏遵义, 温庆志, 张鹏宇. 渤海湾盆地沾化凹陷页岩微观孔隙特征实验研究[J]. 石油实验地质, 2019, 41(1): 149-156. doi: 10.11781/sysydz201901149
MA Haiyang, XIA Zunyi, WEN Qingzhi, ZHANG Pengyu. Micro-pore characteristics of shale in Zhanhua Sag, Bohai Bay Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2019, 41(1): 149-156. doi: 10.11781/sysydz201901149
Citation: MA Haiyang, XIA Zunyi, WEN Qingzhi, ZHANG Pengyu. Micro-pore characteristics of shale in Zhanhua Sag, Bohai Bay Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2019, 41(1): 149-156. doi: 10.11781/sysydz201901149

渤海湾盆地沾化凹陷页岩微观孔隙特征实验研究

doi: 10.11781/sysydz201901149
基金项目: 

国家科技重大专项“东部断陷盆地页岩油气赋存方式与富集规律研究”(2016ZX05034001-007)资助。

详细信息
    作者简介:

    马海洋(1993-),男,硕士研究生,从事页岩储层特征方面的研究。E-mail:mhyupc@163.com。

    通讯作者:

    夏遵义(1974-),女,博士,研究员,从事石油地质、页岩储层、页岩油气赋存与富集等方面的研究。E-mail:xiazy@pku.org.cn。

  • 中图分类号: TE122.2

Micro-pore characteristics of shale in Zhanhua Sag, Bohai Bay Basin

  • 摘要: 页岩的微观孔隙结构是影响页岩油气富集与渗流机理的关键。利用氩离子抛光扫描电镜、低温CO2吸附、低温N2吸附、高压压汞及核磁共振等实验方法,对沾化凹陷沙河街组陆相页岩的微观孔隙特征进行了研究。页岩主要发育有机孔、粒间孔、粒内孔、晶间孔、溶蚀孔和微裂缝等6类孔隙。其中微孔、中孔和宏孔均有发育,微孔比表面积约占总比表面积的61.52%,提供了页岩油气吸附的主要空间,而中孔和宏孔则提供了大部分孔体积,分别占比49.99%和41.19%,对页岩油气的储集和运移起主要作用;页岩孔隙度为4.08%~7.04%,有效孔隙度为0.11%~0.64%,孔隙连通性差。

     

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出版历程
  • 收稿日期:  2018-09-19
  • 修回日期:  2018-12-06
  • 刊出日期:  2019-01-28

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