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

WANG Yizhao,HOU Bing,WANG Dong,JIA Zhenhua

Table 1 Ground stresses measured by Kessel experiments.

Lithology Depth/ m Confining pressure/ MPa Maximum horizontal principal stress/MPa Minimum horizontal principal stress/MPa Dark gray siltstone 3655.3 36 76.46 65.63 Light gray siltstone 3661.5 36 77.80 65.63