Research Article

A Comparative Study on Fracture Characteristics of the Red Sandstone under Water and Nitrogen Gas Fracturing

Table 6

The numerical and experimental values of rupture time and breakdown pressure (nitrogen gas fracturing).

Specimen numberMethodRupture time (s)Breakdown pressure (MPa)

G1Numerical modeling140.04.664
Experiment153.24.0
G2Numerical modeling202.44.663
Experiment226.54.7
G3Numerical modeling374.64.662
Experiment389.64.2