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.