Quantitative prediction of oil saturation of unconsolidated sandstone reservoir based on time-lapse seismic “relative difference method”: Taking Zeta oil field in West Africa as an example

LU Hongmei,XU Hai,WO Yujin,GU Ning

Fig. 6. Seismic reflection residues of 5 fluid displacement models and full-oil models different in thickness. Residues are shown within the same range. In each model, the fluid in the reservoir uniformly transfers from full-oil to full-water from the right of the model to the left.