The relation curves of water phase permeability of reservoir cores and back-pressure were obtained.
得到了裂缝性低渗透储层岩心水相渗透率随回压的变化曲线。
The flow resistance of foam is affected by those parameters such as surfactant concentration, oil saturation, temperature, permeability, water and gas phase velocity, etc.
泡沫的流动阻力受泡沫剂浓度、温度、油饱和度、渗透率以及水相和气相达西流速的影响。
So, after reservoir watering out as edge water and bottom water enters, the gas phase permeability will decrease greatly, and strong water lock effect will happen.
因此，当边水和底水进入储层发生水淹后，气相渗透率将极大降低，存在较强的水锁效应。
The measurement results showed that the invasion of the filtrates of oil-base mud and water-base mud has a considerable effect on oil phase permeability.
测定结果表明，试验所用的油基和水基泥浆滤液的侵入均对油相渗透率造成相当严重的损害。
On the contrary, oil-phase relative permeability declines quickly, while water-phase relative permeability goes up slowly.
反之则油相相对渗透率下降较快，水相相对渗透率上升较缓。
In general, these curves are characterized by high irreducible water saturation, low remaining oil saturation with high relative permeability and wider two-phase region.
一般相对渗透率曲线具有束缚水饱和度较高、残余油饱和度较低以及残余油状态相对渗透率较高、两相流动区间较宽的特点；
For low permeability micro - fractured reservoirs drilling and completion operations, the solid phase invasive, stress-sensitive, water trapping is the main damage mechanism.
对于低渗微裂缝储层钻井完井作业而言，固相侵入、应力敏感、水相圈闭是主要损害机理。
The results showed that, the permeability of water phase decreased 85% at least, the permeability of oil decreased no more than 25%. PDZ-1 has high selective plugging and a nice flushing resistance.
结果表明，该堵剂可使水相渗透率下降85%以上，油相渗透率下降25%以下，具有明显的选择性封堵作用及优良的耐冲刷性。
Three-phase relative permeability of oil, gas and water for a number of water wet sandstone. core samples has been measured by this method in steady state condition.
在稳态条件下，利用该方法测定了水湿样品的油、气、水三相相对渗透率。
The single-phase porous flow plugged by mobile gels is nonlinear, the starting pressure of oil is lower than that of water, and the permeability of oil is higher than that of water.
结果表明，微裂缝性特低渗透油藏一维单向渗流的压力分布影响因素比较多，如启动压力梯度、变形系数、生产压差和排距等，并且这些因素均以非线性方式产生综合影响。
The single-phase porous flow plugged by mobile gels is nonlinear, the starting pressure of oil is lower than that of water, and the permeability of oil is higher than that of water.
结果表明，微裂缝性特低渗透油藏一维单向渗流的压力分布影响因素比较多，如启动压力梯度、变形系数、生产压差和排距等，并且这些因素均以非线性方式产生综合影响。
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