Pore throat structure and classification of Paleogene tight reservoirs in Jiyang depression, Bohai Bay Basin, China |
WANG Yongshi,GAO Yang,FANG Zhengwei |
Fig. 6. Ra, R50, and R0 distributions for grade-I to grade-IV Paleogene tight sandstone and tight sandy conglomerate reservoirs in the Jiyang depression (647 of samples). |