济阳坳陷沾化凹陷罗家地区古近系沙河街组页岩储集特征分析*
王永诗, 王伟庆, 郝运轻

Shale reservoir characteristics analysis of the Paleogene Shahejie Formation in Luojia area of Zhanhua sag,Jiyang Depression
Wang Yongshi, Wang Weiqing, Hao Yunqing
济阳坳陷沾化凹陷古近系沙河街组罗69井孔隙类型 a—含泥质砂质隐晶灰岩,3135.95 m,E s 3,黏土矿物晶间孔,方框部分黏土矿物晶间孔隙狭长,具孔缝一体化特征;b—泥质显微—隐晶灰岩,2983.94 m,E s 3,碳酸盐晶间孔菱形晶体为方解石,其间为碳酸盐矿物晶间孔;c—泥灰岩,2969.86 m,E s 3,黄铁矿晶间微孔照片右下部为自生黄铁矿集合体,其间为黄铁矿晶间微孔;d—隐晶灰岩,2987.38 m,E s 3,碎屑颗粒溶孔照片中部为一蚀变的碎屑长石颗粒,其间为碎屑颗粒溶孔