摘要
本文分析了井中声波全波列测井合成波形、伪瑞利波和斯通利波的数值结果。讨论了横渡首至特性,指出伪瑞利波对横渡首至没有影响。这与实验记录的波形和实际井中观察到的波形一致,利用斯通利波的信息要考虑井径、岩性、爱瑞相等因素的影响。
The synthetic waveforms and numerical results of pseudo-Rayleigh and Stoneley waves in full wavetrain acoustic logging are analyzed, and the first arrival of shear wave is discussed in this paper. It is pointed that the pseudo—Rayleigh wave has no influence on the first arrival of shear wave. This is agreed with the experimental waveform and the measured waveform. When the Stoneley wave information is available, the influence of such as borehole diameter, lithology, Airy phase etc. must be considered.
