[关键词]
[摘要]
本研究先后共选取采自渤海湾盆地垦利构造带的221块样品进行系统古生物分析,其中孢粉藻类样品130块(岩屑),介形类、轮藻、腹足类样品90块(岩屑),钙质超微样品1块,揭示了不同时期沉积序列的生物演化规律及其环境指示意义.深入剖析这些生储油层位的微体古生物群组合,进而揭示了区域古环境特征,对于开展区域地层对比,指导油气勘探和生烃潜力评价等都具有重要的意义.
[Key word]
[Abstract]
The Kenli Structure is located in the southeast part of the Bohai Bay Basin. It belongs to the Qingdong Depression,which is currently an important exploration area of the Bohai Oil Field. Drilling data revealed that the Cenozoic in this region includes (from bottom to up) the Paleogene Shahejie and Dongying formations,the Neogene Guantao and Minghuazhen formations and the Quaternary Pingyuan Formation. Shahejie and Dongying groups are the main target strata for oil and gas exploration. In the past few years...
[中图分类号]
Q913
[基金项目]