Zhougongshan district and the neighboring area in southwest Sichuan province are dominated by medium-low porosity and medium-low permeability reserviors and reservior spaces.

• 摘要川西南周公山及邻区下二叠统的中-低孔、中-低渗碳酸盐岩储层的储集空间以次生成因的溶孔、溶洞和构造裂缝为主。