Response analysis of shale bedding structure to ultrasonic characteristics and its application
Fenglin XU,Qiao CHEN,Honglin ZHU,Dan WANG,Jilong CHEN,Pu LIU,Guanghua YAO,Kuo ZHANG,Zhenyong HUO
Table 3
Error analysis of mechanical parameters.
Depth/
m
Experimental results
Inversion results
from the model
Poisson’s ratio
Elastic modulus/
MPa
Relative error/%
Poisson’s ratio
Elastic modulus/
MPa
Relative error/%
2 539.74
0.26
26 356
8.86
0.28
30 542
15.88
2 543.08
0.26
26 134
7.04
0.27
29 795
14.01
2 547.20
0.25
25 135
9.52
0.27
29 588
17.72
2 619.89
0.25
25 541
6.63
0.26
28 145
10.19
2 627.20
0.24
23 839
8.48
0.26
26 797
12.40
2 631.47
0.25
24 057
4.80
0.26
27 540
14.48
2 660.43
0.25
23 036
6.58
0.26
27 933
21.25
2 663.93
0.26
25 180
6.90
0.27
29 221
16.04
2 668.81
0.25
25 289
7.17
0.27
28 609
13.12
2 671.10
0.25
24 202
5.26
0.26
27 690
14.41