| 应用高压半渗透隔板法测得的毛细管压力数据评价地层伤害程度 |
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| 引用本文： | 孙士孝,郭云尧,秦积舜.应用高压半渗透隔板法测得的毛细管压力数据评价地层伤害程度[J].中国石油大学学报(自然科学版),1990(5). |
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| 作者姓名： | 孙士孝 郭云尧 秦积舜 |
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| 作者单位： | 石油大学开发系
(孙士孝，郭云尧)，石油大学开发系(秦积舜) |
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| 摘 要： | 使用高压半渗透隔板法测得的毛细管压力数据在实验室内可以系统地评价地层伤害的程度。该方法是利用阈压的相对变化及毛细管压力和残余润湿相饱和度的变化,测定不同处理液对岩芯的伤害程度。该研究结果可用于实验室内筛选油田常用的钻井液、完井液与增产液系列和优选各种处理液的浓度。
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| 关 键 词： | 岩芯 毛细管压力 阈压 残余润湿相饱和度 渗透率 |
EVALUATION OF FORMATION DAMAGE BY CAPILLARY PRESSURE DATA OBTAINED WITH HIGH PRESSURE SEMIPERMEABLE MEMBRANE METHOD |
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| Sun Shixiao Guo Yunyao Qin Jishun.EVALUATION OF FORMATION DAMAGE BY CAPILLARY PRESSURE DATA OBTAINED WITH HIGH PRESSURE SEMIPERMEABLE MEMBRANE METHOD[J].Journal of China University of Petroleum,1990(5). |
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| Authors: | Sun Shixiao Guo Yunyao Qin Jishun |
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| Institution: | Dept. of Petroleum Engineering |
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| Abstract: | This paper presents a method for evaluating formation damage by the use of capillary pressure data in laboratory obtained with the high pressure semipermeable-membrane. According to the relative variation of the pore entry pressure and the capillary pressure and residual wetting phase saturations, the damage in cores resulting from various treatment fluids was determined. The results can be used to screen drilling fluid, completion and stimulation fluids and can also be used to determine the optimum concentration of various treatment fluids in laboratory. |
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| Keywords: | Core Capillary pressure Entry pressure Residual wet ting phase saturation Permeability |
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