在4%膨润土浆中加入2%乙基葡糖苷，使受泥浆污染的岩心渗透率恢复率由62%上升到89%。
The recovery of core permeability polluted by 4% clay mud increases from 62% to 89% when 2% EGlu is added in the mud.
室内岩芯流动实验中含粘土岩芯的渗透率恢复率达96 ％ —98 ％ 。
This fluid is undamageable and permeability restoration 96—98% is observed in core experiments.
全面评价了该降粘剂的性能，包括流变性、渗透率恢复值等。
Its properties are evaluated, including rheology, permeability and recovery value, etc.
实验表明：两种聚合物体系的各种处理剂与地层水的配伍性好，储层岩心的动态渗透率恢复值在80%以上。
Tests results showed these two fluids have good compatibility with formation fluids, and the dynamic permeability recovery of reservoir rock was more than 80%.
压力恢复法求渗透率是利用RFT测井资料估算地层渗透率的方法之一。
Obtaining formation permeability using pressure build-up method is one of estimating the formation permeability methods according to RFT logging data.
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.
在围压下降过程中，砂岩和单裂隙试件渗透率的恢复均存在明显的应力滞后效应。
Moreover, for sandstone and granite with a single fracture, there is obvious hysteresis effect for the restitution of permeability in the process of unloading for confining pressure.
通过岩芯伤害实验发现，渗透率恢复值为87.4%，说明该油溶性树脂起到了很好的储层保护作用。
By the permeability recovery data, the return permeability is 87.4%, it indicates that the oil soluble resin plays an important part in formation protection.
通过岩芯伤害实验发现，渗透率恢复值为87.4%，说明该油溶性树脂起到了很好的储层保护作用。
By the permeability recovery data, the return permeability is 87.4%, it indicates that the oil soluble resin plays an important part in formation protection.
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