Because of the low expulsion efficiency of hydrocarbon in Yingwang area hydrocarbon resources mainly concentrate in Zhidan area.

由于英旺地区排烃效率较低，资源量主要集中在志丹地区。

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By using a new method and pyrolysis date of rock, study on expulsion efficiency of hydrocarbon for lower tertiary source rock has been carried out in north area of lower Dongpu Depression.

利用岩石热解资料，采用一种新的方法，对东濮凹陷北部地区下第三系源岩的排烃效率进行了研究。

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Faulting may improve the efficiency of hydrocarbon expulsion and effectiveness of reservoir-forming. The lithologic reservoirs of Es3 are mainly distributed nearby the center of Boxing Sag.

断层排烃可以提高其排烃效率和成藏有效性，沙三段岩性油藏主要分布在洼陷中心附近。

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