Petrophysical properties of deep Longmaxi Formation shales in the southern Sichuan Basin, SW China |
XU Zhonghua,ZHENG Majia,LIU Zhonghua,DENG Jixin,LI Xizhe,GUO Wei,LI Jing,WANG Nan,ZHANG Xiaowei,GUO Xiaolong |
Fig. 9. P-wave velocity (a) and S-wave velocity (b) versus quartz content of the shale samples. |