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 2
Results of core experiments.
Well
Bedding
angle/°
Bedding density/
(g·cm
-3
)
Vertical P-wave velocity/(m·s
-1
)
Vertical S-wave velocity/(m·s
-1
)
Elastic
modulus/MPa
Radial P-wave velocity/(m·s
-1
)
Radial S-wave velocity/(m·s
-1
)
YY1
0
2.60
4 368
2 638
21 932
3 900
2 510
0
2.53
4 765
2 610
39 603
3 830
2 510
15
2.55
4 433
2 648
32 784
3 635
2 300
15
2.53
4 254
2 677
28 745
3 680
2 430
30
2.59
4 177
2 621
28 037
3 970
2 600
30
2.56
4 183
2 724
27 912
4 185
2 630
60
2.60
3 974
2 595
26 199
4 180
2 620
60
2.56
3 676
2 428
24 936
4 260
2 680
75
2.55
3 635
2 266
24 432
4 430
2 650
90
2.59
3 832
2 202
32 022
4 770
2 810
90
2.58
3 896
2 509
24 849
4 370
2 640
0
2.57
4 331
2 333
23 815
4 696
2 683
0
2.57
4 222
2 470
22 963
4 500
2 571
15
2.60
4 529
2 380
26 085
4 801
2 743
15
2.58
4 386
2 601
23 826
4 521
2 583
60
2.55
4 168
2 632
40 984
5 200
2 971
70
2.53
4 578
2 616
26 695
4 689
2 679
70
2.58
4 581
2 618
26 695
4 699
2 685
75
2.52
4 435
2 595
42 524
5 131
2 932
75
2.55
4 366
2 688
43 960
5 138
2 936
75
2.54
4 433
2 648
43 725
4 829
2 759
75
2.62
4 254
2 677
42 555
4 902
2 801
ZY1
80
2.60
4 634
2 729
26 198
4 788
2 736
80
2.53
4 410
2 748
26 022
4 773
2 727
80
2.55
4 646
2 563
26 796
4 756
2 718
80
2.53
4 711
2 773
27 783
4 431
2 532
90
2.52
4 598
2 658
44 516
4 707
2 690