西安科技大学学报2018，Vol.38Issue(1)：150-155,6.DOI:10.13800/j.cnki.xakjdxxb.2018.0121
鄂尔多斯盆地上古生界致密砂岩储层微观孔隙特征
Micro-characteristics of Upper Paleozoic tight reservoir of Ordos Basin
摘要
Abstract
Gas resources in Upper Paleozoic tight reservoir,Ordos Basin are rich,which as an important complement resource,is gaining more and more attention.By obersving cores,identifying casting lamel-la,scanning electron microscope and mercury porosimetry technique,the special micro-pore structure of tight-sand reservoir was researched.A contrastive analysis of the effect on pore characteristics by differ-ent kind of diagenesis was carried out. The results show that: four types of pores are intergranular pores,dissolved intra-grain pores,intercrystalline pores,and micro-fractures develop in Ordos Basin. The main pore type of He 8 and Shan 1 is dissolved intra-grain pores and intercrystalline pores while that of Shan 2 is intergranularpores.Those three types of diagenesis have great influences on pore-char-acteristics with compaction rendering most while dissolution least.Great compaction leads to a high lev-el of reservoir micro-pore.关键词
地质资源与地质工程/鄂尔多斯盆地/上古生界/微观孔隙结构特征/成岩作用Key words
geological resources and geological engineering/Ordos Basin/Upper Paleozoicerathem/mi-cro-pore structure/diagenesis分类
能源科技引用本文复制引用
于波..鄂尔多斯盆地上古生界致密砂岩储层微观孔隙特征[J].西安科技大学学报,2018,38(1):150-155,6.基金项目
国家科技重大专项(2012KTZ03-03-01-01) （2012KTZ03-03-01-01）
