So compaction is not the main mechanism of hydrocarbon expulsion of the Low Tertiary source rocks in the Dongying Depression.

因此，压实排烃不是东营凹陷下第三系烃源岩排烃的主要机制。

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So the migration related to fractures is the main mechanism of hydrocarbon expulsion of the Low Tertiary source rocks in the Dongying Depression.

因此，与裂缝相关的油气运移机制是东营凹陷下第三系烃源岩排烃的主要机制。

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On the basis of geological analysis, geochemical detection and simulation experiments, the hydrocarbon expulsion mechanisms of the Low Tertiary source rocks were studied in the Dongying Depression.

本文采取地质研究、地球化学分析测试与物理模拟实验相结合的方法，研究了东营凹陷下第三系烃源岩排烃机理。

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