A model for the Lower Tertiary framework and sequence system tract of Jiyang subbasin was established with the high_resolution sequence stratigraphy. 建立了济阳坳陷下第三系高精度层序地层格架和层序体系域的构成模式。
In order to reveal the gas reservoirs distribution rule, the sequence stratigraphy and reservoirs overlap and distribution of Lower Shihezi Formation were studied. 为了查明气藏分布规律，研究了下石盒子组层序地层格架及其储集砂体的叠置与分布规律。
