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苏北盆地走滑构造与复杂断块油气成藏

邱旭明 陈伟 李鹤永 段宏亮

邱旭明, 陈伟, 李鹤永, 段宏亮. 苏北盆地走滑构造与复杂断块油气成藏[J]. 石油实验地质, 2023, 45(3): 393-401. doi: 10.11781/sysydz202303393
引用本文: 邱旭明, 陈伟, 李鹤永, 段宏亮. 苏北盆地走滑构造与复杂断块油气成藏[J]. 石油实验地质, 2023, 45(3): 393-401. doi: 10.11781/sysydz202303393
QIU Xuming, CHEN Wei, LI Heyong, DUAN Hongliang. Strike-slip structures and hydrocarbon accumulation in complex fault blocks in Subei Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2023, 45(3): 393-401. doi: 10.11781/sysydz202303393
Citation: QIU Xuming, CHEN Wei, LI Heyong, DUAN Hongliang. Strike-slip structures and hydrocarbon accumulation in complex fault blocks in Subei Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2023, 45(3): 393-401. doi: 10.11781/sysydz202303393

苏北盆地走滑构造与复杂断块油气成藏

doi: 10.11781/sysydz202303393
基金项目: 

中国石化科技部项目 P21113

详细信息
    作者简介:

    邱旭明(1963—),男,博士,教授级高级工程师,从事石油与天然气地质研究。E-mail:qiuxm.jsyt@sinopec.com

  • 中图分类号: TE121.2

Strike-slip structures and hydrocarbon accumulation in complex fault blocks in Subei Basin

  • 摘要: 基于构造几何学、运动学分析,开展苏北盆地成盆成烃成藏研究。苏北盆地经历了断拗、断陷、拗陷3个演化阶段,在中国东部喜马拉雅期以伸展拉张为主的构造发育过程中,盆地内发育雁列、羽状、帚状等具有走滑作用的断层组合,并且已发现油藏和圈闭呈定向排列特征,也与走滑作用密切相关。伸展—走滑作用控制了盆地的成盆演化,造成了各凹陷呈多字形斜列,并且每个凹陷内部形成了多个生烃次凹;控盆控凹断裂差异发育特征控制了不同的油气主要运移方向,形成3种运移模式,雁列、羽状控凹断裂控制下的油气运移模式存在较大差异;次级断层组合和地层形变造就的断层转换带和构造高带是油气富集的重要场所,并形成多种类型的断鼻断块油藏。

     

  • 图  1  苏北盆地东台坳陷构造单元划分

    Figure  1.  Structural unit division of Dongtai Depression, Subei Basin

    图  2  苏北盆地典型伸展—走滑断层剖面

    剖面位置见图 1

    Figure  2.  Profile of typical extension and strike-slip faults in Subei Basin

    图  3  苏北盆地走滑断裂组合及断层转换带分布

    Figure  3.  Combination style of strike-slip faults and distribution of fault transform zones in Subei Basin

    图  4  苏北盆地金湖凹陷石港断裂带不同时期活动断层分布

    Figure  4.  Distribution of active faults in different periods of Shigang fault zone in Jinhu Sag, Subei Basin

    图  5  苏北盆地金湖凹陷斜坡带地震剖面

    位置见图 1剖面3。

    Figure  5.  Seismic profile of slope zone in Jinhu Sag, Subei Basin

    图  6  苏北盆地不同时期沉积体系展布

    Figure  6.  Distribution of sedimentary systems in different periods of Subei Basin

    图  7  苏北盆地高邮凹陷不同时期地层厚度

    Figure  7.  Stratum thickness in different periods of Gaoyou Sag, Subei Basin

    图  8  苏北盆地油气运移模式

    Figure  8.  Oil and gas migration modes in Subei Basin

    图  9  苏北盆地东台坳陷构造高带分布

    Figure  9.  Distribution of structural high zones in Dongtai Depression, Subei Basin

    图  10  苏北盆地断层转换带油气运聚成藏模式

    Figure  10.  Hydrocarbon migration and accumulation mode in fault transform zone, Subei Basin

    图  11  苏北盆地构造高带油气运聚成藏模式

    Figure  11.  Oil and gas migration and accumulation mode in structural high zone, Subei Basin

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出版历程
  • 收稿日期:  2022-09-09
  • 修回日期:  2023-03-21
  • 刊出日期:  2023-05-28

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