Fracability Evaluation Method and Influencing Factors of the Tight Sandstone Reservoir

Table 3

Judgment matrix of fracability index.

A	Brittleness index	Fracture energy density	Horizontal stress anisotropy coefficient	Fracture development index
Brittleness index	1	2	2	3
Fracture energy density	1/2	1	1	2
Horizontal stress anisotropy coefficient	1/2	1	1	2
Fracture development index	1/3	1/2	1/2	1