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金湖凹陷铜城断层构造特征与油气成藏

叶绍东

叶绍东, 2012. 金湖凹陷铜城断层构造特征与油气成藏. 地质力学学报, 18 (2): 187-194.
引用本文: 叶绍东, 2012. 金湖凹陷铜城断层构造特征与油气成藏. 地质力学学报, 18 (2): 187-194.
YE Shao-dong, 2012. STRUCTURAL CHARACTERISTICS OF TONGCHENG FAULT AND HYDROCARBON ACCUMULATION IN JINHU SAG. Journal of Geomechanics, 18 (2): 187-194.
Citation: YE Shao-dong, 2012. STRUCTURAL CHARACTERISTICS OF TONGCHENG FAULT AND HYDROCARBON ACCUMULATION IN JINHU SAG. Journal of Geomechanics, 18 (2): 187-194.

金湖凹陷铜城断层构造特征与油气成藏

详细信息
    作者简介:

    叶绍东(1968-), 男, 高级工程师, 从事油田勘探生产和研究工作。E-mail:yesd.jsyt@sinopec.com

  • 中图分类号: TE121.2

STRUCTURAL CHARACTERISTICS OF TONGCHENG FAULT AND HYDROCARBON ACCUMULATION IN JINHU SAG

  • 摘要: 铜城断层是苏北盆地金湖凹陷中一条二级断层,表现为明显的分段性,南段为逆断层,北段为正断层。关于铜城断层的性质及构造演化,长期以来存在不同的认识。基于地震剖面解释的构造分析并结合走滑断层的鉴别标志,认为铜城断层为一典型的走滑断层。走滑作用造成了断层倾向沿走向发生变化,正逆两种断层交替出现。铜城走滑断层不仅有利于形成一系列不同类型的圈闭,而且对低渗透储集层具有明显的改善作用,其伴生的构造圈闭是有利的油气聚集场所。

     

  • 图  1  金湖凹陷构造简图

    Figure  1.  Simplified structural map of Jinhu Sag

    图  2  铜城断层剖面特征图(剖面位置见图 1

    Figure  2.  Profile characteristics of Tongcheng Fault

    图  3  铜城断层平面特征图

    Figure  3.  Plane characteristics of Tongcheng Fault

    图  4  铜城断层末端走滑-拉分盆地的地震剖面(剖面位置见图 1

    Figure  4.  The seismic profile of strike-slip pull-apart basin in tip position of Tongcheng Fault

    表  1  铜城断层两侧地层厚度对比表

    Table  1.   Stratigraphic thickness comparison between the two sides of Tongcheng Fault

    表  2  铜城断裂带辉绿岩统计表

    Table  2.   Statistics of intrusive rocks in Tongcheng Fault belt

    表  3  铜城断裂带油井压裂效果统计表

    Table  3.   Statistics of oil-well fracturing effect in Tongcheng fault belt

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出版历程
  • 收稿日期:  2011-10-16
  • 刊出日期:  2012-06-01

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