Features of fracture height propagation in cross-layer fracturing of shale oil reservoirs

WANG Yizhao,HOU Bing,WANG Dong,JIA Zhenhua

Table 3 Rock mechanic parameters of different core samples.

No. Elastic modulus/ GPa Poisson's ratio Compressive strength/MPa Cohesion/MPa Internal friction angle/(°) Sandstone 1# 32.03 0.280 261.73 25.14 38.65 Sandstone 2# 25.62 0.290 280.44 Sandstone 3# 24.87 0.270 267.74 Mean 27.50 0.280 269.97 Shale 1# 34.41 0.280 274.66 17.45 34.23 Shale 2# 21.26 0.290 261.81 Shale 3# 24.30 0.280 208.65 Mean 26.66 0.283 248.37