详细信息   

• 责任者：Wan Yun (Chongqing University of Science and Technology ; Chongqing 401331 ; China) ; Liu Jinku
• 刊名：Petroleum Geology & Oilfield Development in Daqing
• 出版年：2010
• 卷期：29(2)
• 关键词：孔隙型储集层 ; porous-type reservoirs ; 碳酸盐岩储集层 ; carbonate reservoirs ; 四川 ; Sichuan Province
• 页码：p.35-39
• 图表：3 illus., 13 refs.
• 分类号：1003
• issnNo：ISSN1000-3754
• isbnNo：CN23-1286/TQ

摘要

Based on outcrops and core observation in Northeast Sichuan, granite slices and scanning electron microscopic pictures, combined with the relationship between sizes, shapes, genesis and rock structure of oolitic reservoir in Feixianguan Formation, this paper makes a study on the characteristics, evolution mode and controlling factors of various types of pore space of oolitic reservoir in Feixianguan Formation in Northeast Sichuan area. The results indicate that pore types include residual intergranular pores, intergranular dissolution porosity, intragranular porosity, intergranular holes, intergranular porosity and fractures. The evolution mode of pore space can be divided into 3 types: oolitic limestone shoal type, oolitic dolomite shoal type and non-phase-controlled type. The formation of pore space is controlled by sedimentation, diagenesis and tectogenesis.