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Pore Structure Features of Sandstone Reservoirs in the Upper Triassic Xujiahe Formation in the Central Part of Sichuan Basin
Author(s): 
Pages: 435-440
Year: Issue:  3
Journal: Natural Gas Geoscience

Abstract: 碎屑岩储层的孔隙特征是油气勘探开发中最重要的研究内容之一,更是气藏精细描述、储层综合评价的重要内容,通过采用铸体薄片观察、扫描电镜观察及压汞曲线分析等多种技术手段,对川中地区上三叠统须家河组储层的孔隙类型、孔隙组合及孔隙结构等方面进行了深入的研究.研究区须家河组储层孔隙类型可分为原生残余粒间孔、次生粒间溶蚀孔、粒内溶孔、铸模孔、晶间孔和微裂缝6种主要孔隙类型;孔隙结构可分为4种类型,即:Ⅰ类粗歪双...
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