Nitrogen gas with different displacing velocity and pressure was used to displace the core in testing, the permeability damage and correlation analysis caused by velocity sensitivity were obtained.
实验用氮气以不同的驱替速度和驱替压差驱替岩心，得到由速敏性引起的渗透率损害及相关分析结果。
Oilfield application obtained better results. For low pressure and low permeability hydrocarbon reservoirs, especially gas well, this perforating completion process has important application value.
通过现场应用取得了较好的效果，该工艺技术对低压、低渗油气藏特别是气井的射孔完井具有重要应用价值。
Hollow fiber membranes with good gas permeability can be obtained after the extraction of the paraffin oil and stretching to a small extension.
将石蜡油提取掉后稍加拉伸即可得到透气性很好的微孔中空纤维渗透膜。
It is shown from field examples that the results obtained are satisfactory and the new method is proved to be an effective one for analyzing well test data in low-permeability gas reservoir.
通过矿场实例分析表明，本文方法效果较好，这为解释低渗透气井试井数据找到了一种行之有效的方法。
The top strata surface and net thickness were obtained by Kriging method. The spatial distributions of porosity, permeability and gas saturation were obtained by simulation of Gaussian field.
利用克里金估计方法求取了地层的层面深度和有效厚度，利用高斯场模拟方法求取了孔隙度、渗透率、含气饱和度的空间分布。
The top strata surface and net thickness were obtained by Kriging method. The spatial distributions of porosity, permeability and gas saturation were obtained by simulation of Gaussian field.
利用克里金估计方法求取了地层的层面深度和有效厚度，利用高斯场模拟方法求取了孔隙度、渗透率、含气饱和度的空间分布。
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