OALib Journal期刊
ISSN: 2333-9721
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超声波在凝析油临界流动饱和度测试中的应用
, PP. 22-25
Keywords: 超声波,凝析油,多孔介质,临界流动,饱和度
Abstract:
?凝析油临界流动饱和度是指凝析油能流动的最小饱和度,即凝析油气相渗曲线的端点。长期以来,由于技术条件的限制,均采用模拟油和模拟气对其进行测试。真实凝析油临界流动饱和度是目前国外研究的热点问题。对此,不同的学者以不同体系考虑不同束缚水大小,得到的结果不同,有的甚至结果相反。笔者首次建立了超声波测试高温高压岩心流动条件下凝析油临界流动饱和度的直接测试方法,在人造岩心中测定了两个真实多组分凝析气定容衰竭临界流动饱和度。根据两个凝析气样品在人造岩心中的测试结果得出凝析油的临界流动饱和度分别为15%和18%。为超声波在室内岩心流动实验测试中的应用开辟了新途径。
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