Factors controlling the development of tight sandstone reservoirs in the Huagang Formation of the central inverted structural belt in Xihu sag, East China Sea Basin

XU Fanghao,XU Guosheng,LIU Yong,ZHANG Wu,CUI Hengyuan,WANG Yiran

Fig. 7. Provenance supply system of Xihu sag during the depositional stage of the Huagang Formation.