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    珠江口盆地白云深水扇特征及油气成藏主控因素

    王存武 陈红汉 陈长民 庞雄 施和生

    王存武, 陈红汉, 陈长民, 庞雄, 施和生, 2007. 珠江口盆地白云深水扇特征及油气成藏主控因素. 地球科学, 32(2): 247-252.
    引用本文: 王存武, 陈红汉, 陈长民, 庞雄, 施和生, 2007. 珠江口盆地白云深水扇特征及油气成藏主控因素. 地球科学, 32(2): 247-252.
    WANG Cun-wu, CHEN Hong-han, CHEN Zhang-min, PANG Xiong, SHI He-sheng, 2007. Characteristics of the Baiyun Deep-Water Fan and Main Accumulation Controlling Factors in Pearl River Mouth Basin, South China Sea. Earth Science, 32(2): 247-252.
    Citation: WANG Cun-wu, CHEN Hong-han, CHEN Zhang-min, PANG Xiong, SHI He-sheng, 2007. Characteristics of the Baiyun Deep-Water Fan and Main Accumulation Controlling Factors in Pearl River Mouth Basin, South China Sea. Earth Science, 32(2): 247-252.

    珠江口盆地白云深水扇特征及油气成藏主控因素

    基金项目: 

    国家重点自然科学基金项目 40238060

    国家面上自然科学基金项目 40372068

    详细信息
      作者简介:

      王存武(1980-), 男, 博士研究生, 研究方向为盆地分析、成藏动力学.E-mail: cunwuwang@163.com

    • 中图分类号: P618.13

    Characteristics of the Baiyun Deep-Water Fan and Main Accumulation Controlling Factors in Pearl River Mouth Basin, South China Sea

    • 摘要: 揭示中国南海北部珠江口盆地白云深水扇的时空展布和油气成藏规律.无论在理论上、还是在向深海进军的油气勘探实践上都具有十分重要的意义.以层序地层学理论为指导的地震剖面精细解释, 在白云凹陷北部陆坡区发现了大量深水扇沉积体, 它由众多的盆底扇、斜坡扇、低位楔和下切水道构成.盆底扇和斜坡扇多期叠加, 平面上成朵叶状, 并与下切水道相连.研究表明, 白云深水扇成藏的主控因素包括: (1)白云凹陷具有适合油气生成的活跃烃源岩; (2)拥有包括断层、不整合面、连续分布的砂体以及流体底辟带在内的发达的输导网络; (3)低水位期发育的深水扇体与其上覆的高水位期泥岩共同形成了有利的储盖组合; (4)超压的累积和释放对深部烃源岩的排烃起到了重要作用.因此, 白云深水扇具有良好的成藏条件, 是珠江口盆地深水勘探的有利目标.

       

    • 图  1  珠江口盆地构造单元及白云凹陷区域构造位置

      Fig.  1.  Classification of structural units of Pearl River Mouth basin and tectonic location of the Baiyun sag

      图  2  13.8~12.5 Ma深水扇平面展布

      Fig.  2.  Distribution of deep-water fan developing during 13.8 Ma to 12.5 Ma

      图  3  珠江口盆地白云凹陷输导格架模式

      图  4  珠江口盆地白云凹陷地层压力模拟结果

      a.三条主测线地层压力数值模拟结果; b.流体包裹体热动力学古压力模拟结果

      Fig.  4.  Modeling result of strata pressure in Baiyun sag, PRMB

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    • 收稿日期:  2006-04-30
    • 刊出日期:  2007-03-25

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