Hydrocarbon generation and storage mechanisms of deep-water shelf shales of Ordovician Wufeng Formation-Silurian Longmaxi Formation in Sichuan Basin, China

GUO Xusheng,LI Yuping,BORJIGEN Tenger,WANG Qiang,YUAN Tao,SHEN Baojian,MA Zhongliang,WEI Fubin

Table 2 Rock mechanic parameters correlation of different minerals (Data of organic matter is from reference [28]).

Mineral Elastic modulus/ GPa Possion’s ratio Normalized elastic modulus/GPa Normalized Possion’s ratio Brittleness index/% Silicon (Quartz) 69.40 0.12 84.86 112.00 98.43 Clay minerals (mudstone) 24.10 0.34 20.14 24.00 22.07 Organic matter (coal) 10.50 0.39 0.71 4.00 2.36