Sentence examples for minimum horizontal principal from inspiring English sources

Fractures extend perpendicular to minimum horizontal principal stress direction.

The measured maximum and minimum horizontal principal stresses increase linearly with depth in tunnel sites, and piecewise-linearly in dam areas.

Economides et al. ([1989]) observed that within sedimentary formations, the vertical gradient of the minimum horizontal principal stress does not vary linearly with depth.

Besides, Fig. 8a illustrates the minimum horizontal principal stress value along the wellbore axis in barriers 1 and 2 after 50-min fracturing operation.

The minimum horizontal principal stress, maximum horizontal principal stress and overburden pressure are exerted along X, Z and Y directions, respectively.

Therefore, the x, y, and z coordinate directions are the directions of the minimum horizontal principal stress direction, the maximum horizontal principal stress, and the vertical direction.

The minimum and maximum horizontal principal stress are 11 MPa and 16 MPa.

These results show that the maximum horizontal principal stress is greater than the vertical principal stress.

Therefore, the stress field tested is mainly a structural stress field, and maximum horizontal principal stress is the principal stress.

The axial direction of the roadway is approximately perpendicular to the maximum horizontal principal stress direction.

The sensitivity analysis is then conducted to examine effect of the maximum horizontal principal stress and the principal permeability on horizontal well production while determining the optimal orientation of the horizontal wellbore.