Results show that initial water saturation swi has a strong effect on rate of imbibition of sandstone system.
结果表明，束缚水饱和度对砂岩体系自吸速度有较强的影响。
The constitution of brine used in this test should be the same as the brine used for establishing the initial water saturation.
盐水组成应与建立束缚水饱和度时所用盐水相同。
All of which show the initial water saturation is lower than the irreducible water saturation, that is, there exists ultra-low water saturation in the c.
这说明该油气藏初始含水饱和度低于束缚水饱和度，即存在超低含水饱和度现象。
Many factors affect the process of spontaneous imbibition. This paper is focused on the effect of initial water saturation and rock lithology on rate of imbibition and oil recovery.
影响自吸的因素有很多，文中主要研究束缚水饱和度和岩石性质对自吸速度及采收率的影响。
Among three types of rocks, at zero initial water saturation, imbibition recovery from chalk samples is the highest, about 23% higher than that from sandstone with similar permeability.
在束缚水饱和度为零的情况下，三种类型岩石中以石灰岩的自吸采收率最高，其值比同等渗透率级别的砂岩高23%。
Initial oil saturation is controlled by the reservoir boundary and structural. Parts of the reservoir with high initial water saturation dose not form effective edge and bottom water drive.
含油饱和度受油藏边界和构造形态控制，油藏南部边缘和局部构造低部位原始含水饱和度高，但不形成有效边底水驱动。
The water phase trapping tendency is studied by the way of the spontaneous imbibition's method to initial water saturation, and the damage mechanisms of the water phase trapping are synthesized.
对工区岩样利用毛管自吸法建立含水饱和度，评价气层水相圈闭的趋势，并分析引起水相圈闭损害的机理。
Therefore, it is very interested to research the rock characters under damages by frost and thaw in the condition of different initial water-saturation.
因此研究不同初始含水饱和情况下岩石冻融循环损伤特性对岩体工程具有重要意义。
The formation water evaporates rapidly when the temperature is higher, the water saturation is lower, the initial salinity is higher and the production rate is quicker, which cause salting out easier.
对于地层温度高、含水饱和度低，初始地层水矿化度高，生产速度快的气井，其地层水蒸发快，地层更易发生盐析。
The results reveal that the initial water cut of low saturation sandstone reservoirs may experience a stable fluctuating phase, which is determined by initial oil saturation, and ca.
特低渗油藏的生产井初始含水率要比中高渗油藏的高，而且生产井开井生产后含水率有一段时间的下降。
The results reveal that the initial water cut of low saturation sandstone reservoirs may experience a stable fluctuating phase, which is determined by initial oil saturation, and ca.
特低渗油藏的生产井初始含水率要比中高渗油藏的高，而且生产井开井生产后含水率有一段时间的下降。
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