Pore throat structure and classification of Paleogene tight reservoirs in Jiyang depression, Bohai Bay Basin, China
WANG Yongshi,GAO Yang,FANG Zhengwei
Fig. 7. R0, Ra, and R50 histograms for grade-I to grade-IV Paleogene tight sandstone reservoirs of turbidite facies in the Jiyang depression (215 of samples).