The Paleozoic reservoir of Shenghai G2 mainly has secondary storage space, including intercrystal pore, dissolution aperture and fracture.Fracture is the main storage interspace among them.

• 胜海古2潜山古生界储层主要为次生储集空间，包括晶间孔隙、溶蚀孔洞和裂缝等类型，其中裂缝是储层最重要的储集和渗流空间；