松辽盆地南部上白垩统中部组合层序界面的识别标志及高分辨率层序地层格架

系统总结了松辽盆地南部中部组合层序界面的岩心、测井、生物、地震等识别方法；统计了盆地短轴方向不同相带层序界面及短期基准面旋回的分布特征，并分析了层序界面和短期旋回模式在不同相带的分布规律。中部组合青山口组和姚家组共划分为4个长期旋回和10个中期旋回。在层序地层序、沉积学原理的指导下，采用岩心、测井、地震三位一体，点、线、面紧密结合，以岩心、测井层序划分为基础，以地震技术为手段进行层序地层的立体拓展，建立层序地层格架，为下一步勘探提供了重要的依据。

Sequence Boundary Characteristics and Its High Resolution Sequence Stratigraphic Framework of the Middle Oil-Bearing Beds in the South of Songliao Basin

The character of sequence boundary is summarized according to well log, seismic sections and rock cores in this paper. The distribution rules of sequence boundary and short term cycle in difference sedimentary facies are studied alone from west to east. From Qingshankou Formation to Yaojiazu Formation，can be divided into 4 long term base level cycles and 10 short term base level cycles. Based on the fundamental principle of sequence stratigraphy and sedimentary, the sequence stratigraphic framework of the middle oil bearing beds can server for future exploration and development. 