The normalization of time-lapse seismic data and its application

Time-lapse seismic monitoring is a technique to monitor reservoir with repeat seismic prospecting in different time during the period of reservoir production. In this paper, the method of normalization of time-lapse data is presented. And normalization for amplitude, frequency and phase of time-lapse seismic data in non-reservoir is done to obtain the equalized data. The normalization processing was applied in time-lapse seismic data of TPT block in Daqing Oilfield. The results indicate that the differences of time-lapse seismic data in non-reservoir can be eliminated with the normalization processing. While, the differences of time-lapse seismic data occur, which are related with the distribution of production wells. These reasonable identity and difference of these seismic data can analyze and interpret the dynamic variation in reservoir.