Hydrocarbon accumulation and exploration prospect of mound-shoal complexes on the platform margin of the fourth member of Sinian Dengying Formation in the east of Mianzhu-Changning intracratonic rift, Sichuan Basin, SW China

YANG Wei,WEI Guoqi,XIE Wuren,JIN Hui,ZENG Fuying,SU Nan,SUN Ai,MA Shiyu,SHEN Juehong,WU Saijun

Fig. 10. The formation and evolutionary process of the gas reservoirs in the mound-shoal complexes of Z2dn4 on the east side of the rift. Z2dn2—the 2nd member of Dengying Fm; Z2dn4—the 4th member of Dengying Fm; —C—Cambrian; O—Ordovician; S—Silurian; P—Permian; T—Triassic; J—Jurassic.