PREDICTION OF CARBONATE RESERVOIRS IN BLOCK A OF HUIZHOU AREA IN PEARL RIVER MOUTH BASIN

The exploration of carbonate reservoirs of Zhujiang Formation has been breaked through in The Pearl River Mouth Basin. recent years.For example, LF15-1 oil pool had been successful evaluation, encouraging the regional carbonate exploration. However, because of the carbonate heterogeneity, reservoir is very Complex.The carbonate reservoirs is effected by paleotopography, sedimentary environment and diagenesis, so it is very difficult to make the reservoir evaluation. Based on The results of previous studies:a linear relationship of the carbonate strata interval velocity and reservoir porosity, The author made macro reservoir prediction using interval velocity transformed by seismic RMS velocity.At same time, carbonate reservoir has been made fine description, combined with the prestack and poststack joint inversion of facies controlled. In the study area, three favorable reservoir is identified.the best favorable reservoir zone is lithologic trap,which is more than 12 square kilometers. Research production is good foundation for regional exploration in the future.