该化学体系施工简便，固结强度高，有效期长，对渗透率损害小。
It has the advantages such as convenient construction, high consolidation strength, long va lid period and small permeability damage.
在不洁的射孔液中进行射孔会造成难以处理和去除的显著的渗透率损害。
Perforating in a dirty fluid may result in significant permeability damage that is difficult to treat and remove.
实验结果表明：硫酸钡结垢对岩心渗透率损害程度受温度、混配比例和累积注水量的影响。
The results show that: barium sulfate scale damage on the core permeability is affected by temperature, mixing ratio and the cumulative injection.
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。
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.
目前的3种压裂液对葡萄花油层污染均较为严重，田菁胶、香豆胶、瓜胶压裂液对岩心渗透率损害率分别为27.89%，18.51%，26.06%。
These 3 kinds of fracturing fluids may seriously contaminate Putaohua reservoir. The damage rate of sesbania gum, fenugreek gum and guar gum were 27.89%, 18.51%, 26.06% respectively.
水相圈闭损害主要表现在两个方面，内部表现为可动气量的减少和气相渗透率的下降，外部表现为产气量的下降和气藏采收率的降低。
Aqueous trapping display in two aspects, one is the reduction of mobile gas and the degression of gas permeability, the other is the decline of gas production rate and the decrease of gas recovery.
随着用于实验的流体矿化度的逐渐降低，岩心渗透率持续下降，且当流体矿化度急剧降低时，岩样水敏性损害加剧。
Core permeability lowers along with the decreasing salinity of fluid used in the experiment, and water sensitivity damage intensifies when fluid salinity decrease sharply.
岩心被油基泥浆损害后，凭常规的注水冲刷手段，渗透率很难恢复到原来的水平。
Once cores are damaged by oil-based mud, it is difficult to restore the permeability of cores to its original level by applying the conventional technique of water injecting and washing.
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。
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.
根据高速离心法测定的毛管压力数据，评价了注水处理剂对中低渗透率地层的损害。
Based on the capillary pressure data measured with high velocity centrifugal method, the formation damage by additives for injected water was evaluated.
保护油气层的室内评价工作主要是借助于有关仪器，测定入井流体对油气层损害后的渗透率变化情况。
The laboratory evaluation for protection oil-gas formation is conducted mainly with related instruments to monitor the permeability change of the core.
现场快速测定形状不规则岩屑的渗透率是评价入井流体对储层损害程度的一个重要手段。
On-site fast permeability detecting of non-regular shaped cuttings is very important for evaluating the formation damage degree caused by the invasion fluid.
渗透率变化会损害油藏，而且这种损害是不可逆的。
The permeability change can damage the reservoir and the damage is irreversible.
当地层受到严重损害时，应考虑地层损害表皮系数或渗透率降低对调查半径的影响。
When the formation damage is very serious, the effect of the skin factor for formation damage or permeability decreased on radius of investigation should be considered.
在钻井、完井等井下作业过程中，造成油气层渗透率下降的现象通称为油气层损害。
The phenomenon of reservoir permeability decrease caused by drilling, completion and other underground operation is known as formation damage.
渗透率越低，孔喉半径越小，油层压力越低，越容易产生水锁损害，且越难以解除其损害。
The lower the permeability and the smaller the pore-throat radius as well as the lower the reservoir pressure, the easier the formation of water locking damage, and it is difficult to be removed.
当地层受到严重损害时，应考虑地层损害表皮系数或渗透率降低对调查半径的影响。
When the formation damage is very serious, the effect of the skin factor for formation damage or permeability decreased on radius of investigation should be consid...
当地层受到严重损害时，应考虑地层损害表皮系数或渗透率降低对调查半径的影响。
When the formation damage is very serious, the effect of the skin factor for formation damage or permeability decreased on radius of investigation should be consid...
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