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琼东南盆地深水区中央峡谷天然气藏输导模式研究

刘静静 刘震 王子嵩 曹尚 孙晓明

刘静静, 刘震, 王子嵩, 曹尚, 孙晓明. 琼东南盆地深水区中央峡谷天然气藏输导模式研究[J]. 石油实验地质, 2019, 41(2): 193-199. doi: 10.11781/sysydz201902193
引用本文: 刘静静, 刘震, 王子嵩, 曹尚, 孙晓明. 琼东南盆地深水区中央峡谷天然气藏输导模式研究[J]. 石油实验地质, 2019, 41(2): 193-199. doi: 10.11781/sysydz201902193
LIU Jingjing, LIU Zhen, WANG Zisong, CAO Shang, SUN Xiaoming. Gas migration mode for the central canyon in deep-water Qiongdongnan Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2019, 41(2): 193-199. doi: 10.11781/sysydz201902193
Citation: LIU Jingjing, LIU Zhen, WANG Zisong, CAO Shang, SUN Xiaoming. Gas migration mode for the central canyon in deep-water Qiongdongnan Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2019, 41(2): 193-199. doi: 10.11781/sysydz201902193

琼东南盆地深水区中央峡谷天然气藏输导模式研究

doi: 10.11781/sysydz201902193
基金项目: 

国家科技重大专项"南海北部深水区潜在富生烃凹陷评价"(2011ZX05025-002-05)资助。

详细信息
    作者简介:

    刘静静(1986-),女,博士研究生,工程师,从事石油地质综合研究。E-mail:jingjingliu86@126.com。

    通讯作者:

    刘震(1963-),男,博士,教授,从事石油地质综合研究。E-mail:liuzhenjr@163.com。

  • 中图分类号: TE122.3

Gas migration mode for the central canyon in deep-water Qiongdongnan Basin

  • 摘要: 琼东南盆地晚期构造活动较弱,为了阐明该盆地深水区深层古近系烃源岩生成的天然气如何运移至浅层新近系中央峡谷储集体聚集成藏这一问题,利用地震分频处理技术提高3D地震资料分辨率,开展断裂输导体系识别,结合区域断裂发育特征建立天然气输导模式。琼东南盆地深水区发育4期断裂活动,且断裂活动具有明显的周期性,基于此,提出了断裂旋回的概念——一个断裂旋回包括了较短时间的断层活动期和较长时间的断层静止期。通过对比断裂旋回不同阶段断层输导天然气的差异特征,提出断层活动期高效涌流输导模式和断层静止期有效渗流输导模式,并指出超压断陷盆地涌流和渗流交替输导可以增强天然气输导效率。中央峡谷陵水段下方深层发育一系列沟通烃源岩的阶梯状断层,浅层发育许多高角度小断层,其是深部天然气运移至浅层的重要通道。建立了中央峡谷天然气"多期断裂-多断层"接力输导模式。

     

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出版历程
  • 收稿日期:  2018-09-20
  • 修回日期:  2019-02-14
  • 刊出日期:  2019-03-28

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