Lithofacies classification and its effect on pore structure of the Cambrian marine shale in the Upper Yangtze Platform, South China: Evidence from FE-SEM and gas adsorption analysis

Lithofacies classification and storage capacity are of great significance for shale gas. In this study, shale lithofacies classification and its effect on pore structure from the Niutitang shale in the Upper Yangtze Platform were analyzed by experiments of field emission scanning electron microscope (FE-SEM) and gas adsorption analysis. Results show that Niutitang shale can be divided into 12 kinds of shale lithofacies on the basis of TOC...