川西北地区栖霞组气藏的储集类型及不同储层对产能的贡献率
Contributions to Geology and Mineral Resources Research（2020）
Abstract
川西北地区双鱼石构造单元栖霞组发现了良好的油气显示.通过岩芯观察、铸体薄片、物性测试、压汞实验以及CT扫描等手段对储层岩性、孔喉结构、储层分类评价、产能贡献等研究表明:双鱼石构造单元栖霞组储层岩性以白云岩为主,储层空间以孔、洞为主,储层类型以裂缝-孔洞型、孔洞型储层占优;裂缝-溶孔型储层、裂缝-孔洞型储层的产能贡献率＞ 90％.
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