The organic carbon content of these three sets of dark mudstones is more than 1.0% in most areas of the Eastern Depression, indicating that they are good source rocks.
在东部坳陷的绝大部分地区三段地层暗色泥岩的有机碳含量都在1 0 %以上，是好的烃源岩。
For Dongying depression, the main factors to control hydrocarbon accumulation in lithologic reservoirs are good source rocks, special carriers and pathways and adequate accumulation dynamic.
良好的油源条件、独特的输导体系和成藏动力是控制东营凹陷岩性油气藏成藏的主要因素。
There are very thick Upper Tertiary marine hydrocarbon source rocks in Yong-Qiong basin, containing abundant supermicro resinous materials; Thus, they are classified as good-very good source rocks.
莺-琼盆地存在巨厚的上第三系海相烃源岩，它含有丰富的超显微树脂体，因而可划分为好—很好烃源岩。
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