四川盆地蓬莱地区灯影组四段超深层白云岩储集层特征及主控因素*
刘凯铭1,2, 王兴志1,2, 韦明洋1,2, 李阳1,2, 陈旺1,2, 王文之3, 李勇3, 马奎3

Reservoir characteristics and main controlling factors of ultra-deep dolomite in the 4th Member of Sinian Dengying Formation in Penglai area,Sichuan Basin
LIU Kaiming1,2, WANG Xingzhi1,2, WEI Mingyang1,2, LI Yang1,2, CHEN Wang1,2, WANG Wenzhi3, LI Yong3, MA Kui3
四川盆地蓬莱地区灯影组四段主要储集空间类型 a—粒间孔,砂屑白云岩,沥青和白云石充填,PS9井,6893.90 m,单偏光; b—格架孔,凝块石白云岩,PS2井,7799.06 m,单偏光; c—晶间孔,粉晶白云岩,PS2井,7781.86 m,单偏光; d—晶间孔,PS2井,7797.19 m,扫描电镜照片; e—晶间溶孔,叠层石白云岩,港湾状溶蚀,PS2井,7779.84 m,单偏光; f—粒间溶孔,泡沫绵层白云岩,马牙状溶蚀,DB1井,6409.43 m;g—粒内溶孔,泡沫绵层白云岩,PS15井,6856 m,正交偏光; h—溶洞,凝块石白云岩,见硅质充填,PS2井,7786.05 m;i—溶洞,粒状沥青充填,叠层石白云岩,PS2井,7790.05 m,扫描电镜照片;j—溶缝,凝块石白云岩,白云石和沥青充填,PS9井,6966.63 m,正交偏光; k—构造缝,PS8井, 7048.24 m;l—缝合线,砂屑白云岩,沥青充填,PS1井,6782.65 m,单偏光