【摘 要】
：
利用钻井岩心资料、测井资料和测试分析资料,对鄂尔多斯盆地大牛地气田太原组储层的非均质性进行分析,结果表明,太原组整体非均质性较强,太1段层内夹层少但厚度较大,太2段夹
【机 构】
：
成都理工大学沉积学院,中国石油吐哈油田勘探开发研究院,中国石油长庆油田分公司第二采油厂,桂林理工大学地球科学学院
论文部分内容阅读
利用钻井岩心资料、测井资料和测试分析资料,对鄂尔多斯盆地大牛地气田太原组储层的非均质性进行分析,结果表明,太原组整体非均质性较强,太1段层内夹层少但厚度较大,太2段夹层较多但厚度较小;层内非均质性参数、渗透率变异系数、突进系数和级差表明,太2段层内非均质性较强;在层间非均质性及平面非均质性上,太1段非均质性明显较太2段强;平面非均质性与砂体展布关系密切,顺着砂坝方向的砂体连通性较好、非均质性较弱,垂直于障壁砂坝方向的砂体非均质性较强。
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