成岩作用对泥页岩储集性能的影响: 以东营凹陷古近系沙四上亚段为例*
余志云1, 陈世悦1, 张顺2, 刘鑫金2, 唐东2, 鄢继华1

Influence of diagenesis on reservoir performance of shale: a case study of the upper sub-member of Member 4 of Paleogene Shahejie Formation in Dongying sag
YU Zhiyun1, CHEN Shiyue1, ZHANG Shun2, LIU Xinjin2, TANG Dong2, YAN Jihua1
渤海湾盆地东营凹陷樊页1井沙四上亚段亮晶方解石纵向分布特征 A—亮晶方解石纹层及透镜体,分布密度较低,延伸性较差,樊页1井,3253.6 m;B—亮晶方解石纹层平直连续,界线清晰,分布密度较高,樊页1井,3339.34 m;C—亮晶方解石透镜体,晶体明净,分布密度较高,樊页1井,3429.53 m;D—裂缝充填亮晶方解石脉,脉体垂直切穿纹层,樊页1井,3344.41 m;E—裂缝充填亮晶方解石脉,可见沥青伴生,樊页1井,3380 m;F—裂缝充填亮晶方解石脉, 脉体斜切纹层,晶体明净,樊页1井,3426.57 m