Abstract

The problem of attenuating noise on seismic data has received considerable attention throughout the history of seismic processing to enhance the signal to noise ratio. The presence of high amplitude noise especially in the land data due to noise bursts, cultural noise, air blasts, and transmission error, corrupts the dataset and leads to less reliable end product. Here we discuss spatial amplitude scaling technique and its effective implementation to attenuate these types of high amplitude noise. The amplitude of a trace in a small temporal window is compared with that of the neighbouring traces. Noisy portions of the trace with anomalously high amplitudes in the spatial window are scaled down while preserving the relative amplitude in the data. This method has been successfully tried on different data set pertaining to Cauvery Basin.