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现代地质 ›› 2012, Vol. 26 ›› Issue (1): 160-167.

• 石油地质学 • 上一篇    下一篇

东营凹陷草113-郑气2地区流体压力演化及成藏效应

 韩双彪1, 曾溅辉2, 宋修艳3, 李继亭4, 唐玄1   

  1. 1中国地质大学 能源学院,北京,100083;2中国石油大学 地球科学学院,北京,102249;3中国地质大学 海洋学院,北京,100083;4中国石化 胜利石油管理局测井公司,山东 东营,257096
  • 收稿日期:2011-10-24 修回日期:2011-12-05 出版日期:2012-02-22 发布日期:2012-02-25
  • 作者简介:韩双彪,男,博士研究生,1987年出生,矿业普查与勘探专业,主要从事油气成藏机理和非常规天然气地质的研究工作。Email:bjcuphan@163.com。
  • 基金资助:

    国家自然科学基金项目(40672087); 国家科技重大专项项目(2009ZX05009)

Fluid Pressure Evolution and Accumulation Effect of the Cao 113-Zhengqi 2 Area in Dongying Sag

 HAN  Shuang-Biao-1, CENG  Jian-Hui-2, SONG  Xiu-Yan-3, LI  Ji-Ting-4, TANG  Xuan-1   

  1. 1School of Energy Resources, China University of Geosciences, Beijing,100083, China;
    2College of Geosciences,China University of Petroleum,Beijing,102249, China;
    3School of Ocean Sciences,China University of Geosciences,Beijing,100083, China;
    4Well Logging Company,Shengli Petroleum Administration Bureau,SINOPEC,Dongying,Shandong,257096, China
  • Received:2011-10-24 Revised:2011-12-05 Online:2012-02-22 Published:2012-02-25

摘要:

基于东营凹陷草113-郑气2地区现今实测地层流体压力和典型剖面压力分布特征,研究认为这个地区地层异常压力主要发育在Es3、Es3和Es4,纵向上可分为3个压力系统:正常压力、高压异常和异常高压。应用盆地数值模拟法恢复了草113-郑气2地区的压力演化史,结果表明超压主要经历了早期形成、下降调整和晚期发育3个阶段。分析证明超压主要由欠压实作用、烃类生成作用及蒙伊转化脱水作用造成,其演化阶段与油气成藏期具有很好的相关性,是油气运移的动力。

关键词: 东营凹陷, 草113-郑气2地区, 异常压力, 模拟, 超压演化, 成藏动力

Abstract:

According to the measured formation pressure and typical profile pressure distribution characteristics,we find that the overpressure occurs in the lowermiddle third Member and the fourth Member of Shahejie Formation in Dongying Sag. In vertical it is divided to three pressure systems: normal pressure, high pressure abnormal and abnormal high pressure. We analyze the paleopressure evolution using the Basin Modeling. Research shows that the overpressure evolution mainly experiences three stages:original formation, metadeclining and latestraising.Based on former analysis,overpressure is mainly caused by undercompaction, hydrocarbon generation and clay mineral transformation.The evolution of overpressure not only is well related with the hydrocarbon accumulation stages but also provides enough power.

Key words: Cao 113-Zhengqi 2 area, abnormal pressure, simulation, over pressure evolution, accumulation power