Table 3 Amplitude ratios between reflected SH-waves and flexural waves.

From: Numerical simulation of a borehole sidewall acoustic transmitter for single-well reflection imaging logging用于单井反射成像测井的井眼侧壁声发射器的数值模拟

Receiver label

Amplitudes of reflected SH-waves (/)

Amplitudes of flexural waves (/)

Ratios (%)

Transmitter

Typical dipole

Transmitter

Typical dipole

Transmitter

Typical dipole

R1

0.0134

0.0339

1.2307

4.1016

1.10

0.83

R2

0.0132

0.0341

1.3700

4.5273

0.96

0.75

R3

0.0117

0.0294

1.3615

4.7863

0.86

0.61

R4

0.0122

0.0276

1.4372

4.7334

0.85

0.58

R5

0.0114

0.0288

1.4017

4.5127

0.81

0.64

R6

0.0114

0.0294

1.3832

4.5199

0.82

0.65

R7

0.0110

0.0284

1.2594

4.3708

0.87

0.65

R8

0.0105

0.0267

1.3774

4.4961

0.76

0.59

Average

0.0119

0.0298

1.3527

4.5060

0.88

0.66

Back to article page