Diagenetic evolution and formation mechanisms of middle to deep clastic reservoirs in the Nanpu sag, Bohai Bay Basin, East China |
WANG Enze,LIU Guoyong,PANG Xiongqi,LI Changrong,WU Zhuoya |
Fig. 4. Triangular diagram showing the detrital grain composition of the Es sandstone samples in the Nanpu sag. Q—quartz, F—feldspar, L—rock fragment. |