碳酸盐岩沉积演化模式与沉积相分布——以鲁卜哈利盆地东北部上白垩统Mishrif组为例
卞从胜,李永新,吕明胜,刘刚,段海岗,罗贝维,黄擎宇,张静,杨沛广,张新顺,宋金民,黄理力

Sedimentary evolution model and sedimentary facies distribution of carbonate rocks: Case study of Mishrif Formation in northeast Rub Khali Basin
Congsheng BIAN,Yongxin LI,Mingsheng LÜ,Gang LIU,Haigang DUAN,Beiwei LUO,Qingyu HUANG,Jing ZHANG,Peiguang YANG,Xinshun ZHANG,Jinmin SONG,Lili HUANG
图4 Mishrif组储层岩石类型和孔隙类型薄片镜下特征
(a)礁灰岩(厚壳蛤骨架),发育体腔孔,W-5井,1 896.83 m;(b)亮晶生屑灰岩,生屑主要为厚壳蛤碎屑,发育铸模孔,W-5井,1 714.03 m;(c)泥晶生屑灰岩,发育粒间溶孔与铸模孔,W-6井,1 661.62 m;(d)生屑泥晶灰岩,可见有孔虫骨架溶蚀体腔孔,W-4井,1 648.11 m;(e)生屑泥晶灰岩,可见棘皮类生屑,W-4井,1 663.96 m;(f)泥晶灰岩,泥质含量高,发育压溶缝,部分充填沥青,W-3井,1 766.23 m
Fig.4 Microscopical characteristics of rock types and pore types in Mishrif Formation