...键词 CT扫描 低渗透岩心 无损检测 孔隙内部结构 三维重构 定量分析 [gap=1703]Keywords] CT scanning；low permeability core；non-destructive test；internal pore structure；three-dimensional reconstruction；q..
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Relative volume percentage of movable fluid of more than one hundred of super-low permeability core samples is tested by using nuclear magnetic resonance technique.
利用核磁共振无损检测技术对一百余块低渗、特低渗透岩样进行了可动流体相对体积的实验测试。
At high speed, asphaltene plugging is more serious with increase of flow rate. The damage degree of asphaltene plugging is higher in low permeability core than in high one.
在较高流速下，随速度升高，沥青所造成的孔喉堵塞更加严重，在低渗岩心中沥青堵塞引起渗透率伤害程度大于高渗透岩心。
Owing to a small fluid flowing rate, it is difficult to measure and interpret the physical parameters of low permeability tight rocks by use of conventional core analysis method.
对于低渗透致密岩石的物性参数，由于流体流动速率很小，采用常规的岩心分析方法难以测量和解释。
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