塔里木盆地顺北地区奥陶系鹰山组超深层白云岩类型及成储潜力评价*
刘大卫1, 李映涛1, 韩俊2, 张继标1, 汝智星1, 杨孝群1, 王石1, 黄诚2, 肖重阳2

Ultra-deep dolomite types and their reservoirs potential of the Ordovician Yingshan Formation in Shunbei area,Tarim Basin
LIU Dawei1, LI Yingtao1, HAN Jun2, ZHANG Jibiao1, RU Zhixing1, YANG Xiaoqun1, WANG Shi1, HUANG Cheng2, XIAO Chongyang2
塔里木盆地顺北地区奥陶系鹰山组第Ⅱ类成层状白云岩岩石学特征 a—晶粒状白云石呈均一且零散分布现象(红箭头),SHBP1井,8100 m,单偏光; b—晶粒状白云石逐渐发育,形成白云石灰岩,SHBP1井,8204 m,单偏光; c—白云石晶粒内可见残余砂屑颗粒形态(红箭头),SHBP1井,8440 m,单偏光; d—细晶晶粒白云岩,SHBP1井,8286 m,单偏光; e—成层发育的白云岩层段,可见小型溶孔发育,受断裂活动影响角砾化,8450.25~8450.40 m;f,g—层状白云岩发育层段及镜下特征(单偏光),晶粒状白云岩见小型溶孔发育,后期方解石沉淀(黄箭头)形成去白云石化现象,8450.50~8450.60 m