Abstract: Time-frequency analysis method is used to decompose the seismic signals into time frequency domain in order to show the geological phenomena in multi-scales. Continuous wavelet transform is used to analyze and extract the time-frequency attributes. The result shows that the main extreme frequency curves are fit to the GR curves, especially the low frequency trends. In this paper, the method is used to analyze the seismic data around two wells near the area A, and the result reveals that 15 Hz low frequency seismic data has better correlation with the reservoirs and hydrocarbon. 3D seismic data has been processed and its attributes have been extracted due to this feature and reservoir distribution in this area is described.