川东石炭系碳酸盐岩孔隙结构研究

A Study of Pore Structures in Carboniferous Carbonate Rocks in Eastern Sichuan

本文利用正态概率曲线对四川东部地区石炭系碳酸盐岩的孔隙结构及孔隙喉道下限进行了研究,结果发现:上述碳酸盐岩的正态概率曲线总的趋势有6个直线段,其各自的孔喉大小分布同石炭系的孔隙组合密切相关;

This paper studies the pore structures and the cutoff of pore throats in Carboniferous carbonate rocks in Eastern Sichuan, using the normal probability curve. The results indicate that the general trend of normal probability curve of the carbonate rocks mentioned above appears six straight lines and each pore throat size distribution is closely related with the pore associations of Carboniferous rocks. The cutoff of effective pore throat is 500