Fig. 1

(A) Location of the Huangqiao gas field in the Subei basin of the Lower Yangtze Platform; (B) Division of the Huangqiao gas field and well location; (C) Stratigraphic column of the Paleozoic to the Cenozoic in Well S174.

(A) Location of the Huangqiao gas field in the Subei basin of the Lower Yangtze Platform; (B) Division of the Huangqiao gas field and well location; (C) Stratigraphic column of the Paleozoic to the Cenozoic in Well S174.