吴克强;姜雪;孙和风;

• 1:中海油研究总院
• 2:中海油国际公司乌干达有限公司

摘要(Abstract)：

黄河口凹陷是中国近海典型的富生油凹陷,发育沙三段、沙一段、东二下-东三段3套古近系湖相烃源岩,明确烃源岩发育模式对类似凹陷早期快速评价有重要参考意义。根据地球化学、构造及古气候等方面的分析,总结了烃源岩特征及发育的主控因素。结果表明:构造和古气候两大因素控制了湖相好烃源岩的发育,构造制约了可容纳空间的变化,古气候影响了原始生产力,构造与古气候共同控制了有机质的保存条件,两者最终决定了有机质的丰度和类型。生产力条件是东二下-东三段和沙三段好烃源岩形成的主控因素,沙一段好烃源岩的形成主要受控于强还原保存条件。根据黄河口凹陷3套烃源岩发育的主控因素,总结出深水窄盆模式、浅水广盆模式、深水广盆模式3类发育模式。

关键词(KeyWords)： 湖相烃源岩;控制因素;构造活动;古气候;黄河口凹陷

Abstract:

Keywords:

基金项目(Foundation): 国家重大科技专项“近海大中型油气田形成条件与分布”(2011ZX05023-006)

作者(Author): 吴克强;姜雪;孙和风;

Email:

DOI:

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