Evolution of Brachiopod Diversity of the Late Middle Permian in the Hechuan Area of Chongqing;

Based on the analysis on brachiopod fossils of the late middle Permian,the brachiopod extinction in Pre-Lopingian event of late middle Permian in this area can be divided into two sub screens: the first screen in the end of earlier Wushisanti Subage a.

The discovery of late Early Permian Angara flora from the Turpan--Hami basin is ofgreat significance not only in botany but also in palaeogeography.

Researches on tempestites of the Member 2 and Member 3 of Lower Permian Xiashihezi Formation in Daniudi Gasfield,Ordos Basin;

Study on Controlling Factor of Carbonate Reservoir of Lower Permian at Zhougongshan and It's Near Area in the Southwest Part of Sichuan;

Evolution of porosity in Lower Permian carbonatite reservoir of Zhougongshan and its adjacent areas in southwestern Sichuan;

Mineralization model of oil shale controlled by facies in Lucaogou Formation of Permian,Dahuangshan,Zhunnan;

Fracture Characteristic of Permian Volcanic Reservoir in Wu-Xia Area, Junggar Basin;

Characteristics of Coal-Formed Gas Reservoir of Permian in Gubei Area;