Characterization of Rock Mechanical Properties Using Lab Tests and Numerical Interpretation Model of Well Logs

Table 2

The comparison of experimental and calculated petrophysical parameters.

Petrophysical parameter	Lithology	Experimental data	Calculated data
Compressive strength	Sandstone	111.0~273.13 MPa	150~350 MPa
	Mudstone	73.94~128.38 MPa	90~200 MPa
Young’s modulus	Sandstone	17.70~58.8 GPa	35~60 GPa
	Mudstone	17.41~34.86 GPa	25~40 GPa
Poisson’s ratio	Sandstone	0.086~0.487	0.16~0.28
	Mudstone	0.238~0.438	0.12~0.24
Cohesive force	Sandstone	9~19 MPa	10~20 MPa
	Mudstone	5~13 MPa	4~12 MPa