鄂尔多斯盆地延长气田上古生界气藏储层特征研究
China Petroleum and Chemical Standard and Quality(2013)
Abstract
通过对鄂尔多斯盆地延长气田上古生界本溪组、山西组和下石盒子组储层砂岩沉积体系、岩性特征、物性特征的分析,认识到研究区气藏储层主要为障壁岛、辫状河三角洲前缘沉积体系,岩性主要为中粒-粗粒岩屑砂岩、岩屑石英砂岩,储集空间以次生溶孔和晶间孔为主;物性较差,属特低孔特低渗储层。
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