关键词: 渤中坳陷, 东下段, 源岩评价, 油源分析

Abstract: The Lower Dongying Formation exists a source rocks with relatively high concentration of organic matter and good organic type,especially, most of them are good and excellent,and they are very thick. For more important, these source rocks are locating in oil window. But,their distribution is not homogeneous,the southern part of the depression is better than the north, the eastern part of the depression is better than the west. The distribution of oils derived from the Dongying source rocks is conformed with the distribution of the lower Dongying source rocks.

Key words: Bozhong Depression, the Lower Dongying, source rock evaluation, oil source analysis