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. 13. Relationships between brittleness indexes B1 (a) and B2 (b) and hardness of the shale samples. |