Rock Mechanical Properties and Breakdown Pressure of High-Temperature and High-Pressure Reservoirs in the Southern Margin of Junggar Basin

Figure 4

Extrapolation of mechanical parameters of samples with different lithologies (the red area is the corresponding confining pressure range of the reservoir).

(a) Argillaceous siltstone ((A) elastic modulus and (B) Poisson’s ratio)

(b) Medium-fine grained sandstone ((A) elastic modulus and (B) Poisson’s ratio)

(c) Glutenite ((A) elastic modulus and (B) Poisson’s ratio)