Relationships of the iC4/nC4 and iC5/nC5 ratios with maturity of coal-derived gases of Triassic Xujiahe Formation in central Sichuan Basin, SW China |
QIN Shengfei,HUANG Chunhu,ZHANG Benjian,YANG Yu,YUAN Miao |
Fig. 6. Relationships between the iC4/nC4 and iC5/nC5 ratios with the δ13C1 of the Xujiahe Formation gas reservoir in the Central Sichuan Basin. |