Microscopic pore-fracture configuration and gas-filled mechanism of shale reservoirs in the western Chongqing area, Sichuan Basin, China

FU Yonghong,JIANG Yuqiang,DONG Dazhong,HU Qinhong,LEI Zhi’an,PENG Hao,GU Yifan,MA Shaoguang,WANG Zimeng,YIN Xingping,WANG Zhanlei

Fig. 6. Relationship between quality parameter of pore-fracture configuration and reservoir physical properties and gas-bearing property. (a) Cross-plot of pore-fracture configuration quality parameter and porosity; (b) Cross-plot of pore- fracture configuration quality parameter and permeability; (c) Cross-plot of quality parameter of pore-fracture configuration and proportion of lost gas; (d) Cross-plot of quality parameter of pore-fracture configuration and total gas content; (e) Cross-plot of pore-fracture configuration quality parameter and desorbed gas volume before heating; (f) Cross-plot of pore-fracture configuration quality parameter and desorbed gas volume after heating.