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

WANG Yizhao,HOU Bing,WANG Dong,JIA Zhenhua

Table 4 Key parameters of cohesive units in numerical simulation of cross-layer fracturing in shale oil reservoir.

Element type Parameter Value/MPa Cohesive elements not at interface or beddings Normal stress 6.0 First tangential stress 20.0 Second tangential stress 20.0 Cohesive elements at sandstone-shale interface Normal stress 1.2 First tangential stress 4.0 Second tangential stress 4.0 Cohesive elements of shale bedding Normal stress 2.0 First tangential stress 10.0 Second tangential stress 10.0