论文部分内容阅读
纵波(P)和横波(S)的反射振幅以及层速度的比值可以与岩性关联起来。由于资料采集费用昂贵,一般应避免分别进行P波和S波地震观测。在本文中,讨论了关于用横波振动器同时采集纵、横波资料的技术。从9口浅井记录到的三分量地震记录导出了横波振动器的震源发射图。通过对记录到的地面振动与两倍于振动器振动频率的合成扫描讯号相关提高了纵
The ratio of the reflection amplitude of the longitudinal (P) and transverse (S) waves to the layer velocity can be correlated with lithology. Due to the high cost of data acquisition, P-wave and S-wave seismological observations should generally be avoided. In this paper, we discuss the technique of simultaneous acquisition of longitudinal and shear waves using a shear wave vibrator. Three-component seismic records recorded from 9 shallow wells derived the source emission maps of the shear wave vibrator. By increasing the correlation between recorded ground vibrations and composite sweep signals twice the vibrator vibration frequency