Joint Wavelet Frequency-Division and Radial Trace Transform for Surface Wave Attenuation

The surface wave has serious impact on the effective reflections due to its extensive existence, strong power, and wide frequency band. Here described is surface wave attenuation using frequency division of wavelet transform and radial trace transform (RRT). Wavelet frequency division decomposes seismic profile into several different frequency sections by changing seismic data of temporal spatial domain into wavelet domain, we can eliminate surface wave applying purposeful processing. The radial trace transform is a simple seismic data mapping algorithm, which differs effective wave and noise in frequency by changing coordinate system, and then remove the noise using highpass filtering. Here we made use of the advantages of the two methods in model test and field data, and got a wonderful result.