A model for the Lower Tertiary framework and sequence system tract of Jiyang subbasin was established with the high_resolution sequence stratigraphy. 建立了濟陽坳陷下第三系高精度層序地層格架和層序體系域的構成模式。
In order to reveal the gas reservoirs distribution rule, the sequence stratigraphy and reservoirs overlap and distribution of Lower Shihezi Formation were studied. 為了查明氣藏分佈規律，研究了下石盒子組層序地層格架及其儲集砂體的疊置與分佈規律。
