论文部分内容阅读
浅层工程地震勘探单炮记录中包含了丰富的反射波和瑞雷面波信息,在实践应用中,采用固定接收排列的多次叠加观测系统,获得完整的波场信息,在后续处理中,可分别按照瑞雷面波和反射波的波场特征处理,实现一次数据采集,多参数综合解释。通过广西某工程的浅层地震勘探实例,介绍了采用全数字检波器及本观测系统采集的数据,提取瑞雷面波获得瑞雷面波速度结构,用于近地表速度结构重建,并通过拟合用于反射剩余静校正计算,提高反射叠加剖面的质量,并获得了较好的效果。
In the practical application, the single shot record of shallow engineering seismic exploration contains a large number of reflected wave and Rayleigh surface wave information. In practical application, the fixed superposition observation system is used to obtain the complete wave field information. In the subsequent processing, It can be processed according to wavefield characteristics of Rayleigh surface waves and reflected waves respectively to realize a data collection and multi-parameter comprehensive interpretation. Through the example of shallow seismic exploration of a project in Guangxi, the data collected by the all-digital detector and the observation system are introduced. The Rayleigh surface wave is extracted to obtain the velocity structure of the Rayleigh wave surface, which is used to reconstruct the near-surface velocity structure. Which is suitable for the calculation of residual statics of reflection and improves the quality of the reflection superimposed profile, and obtains good results.