the dark mudstone in triassic system of tanzhuang formation which rich for organic substance is mainly source rocks, which has large thickness, wide distribution and great burial depth.
研究区三叠系谭庄组有机质丰富的暗色泥巖是主要烃源巖,它厚度大、分布广,埋藏深度也大。
the period of migration and accumulation of oil and gas is triassic system and from jurassic system to cretaceous system.
两个成藏期分别是三叠纪末和侏罗纪末—白垩纪;
the insufficient oil and gas sources found in the triassic system are discussed in terms of petroleum accumulation feature, spatial distribution and degree of filling in oil-gas reservoirs.
从油气藏的成藏特征、空间分布特征、油气藏充满程度等方面探讨了吉南三叠系油气源不足的问题。