So, there may exist the phenomenon of permeability reduction with the porosity increase.
因此，可能存在孔隙率增加而渗透性降低的现象。
It is proved that the permeability reduction caused by ageing is the rearrangement of reversible structure.
证实了时效引起的磁导率衰减是可逆的结构重排过程。
The result of experiment shows that permeability reduction will be caused by reservoir rocks under flushing of great amount of injection water in Pucheng Oilfield.
实验结果表明：濮城油田储层岩石在大量注入水冲刷下，会导致渗透率降低。
The result of experiment shows that permeability reduction will be caused by reservoir rocks under flushing of great amount of injection water in Pucheng Oilfield.
实验结果表明：濮城油田储层岩石在大量注入水冲刷下，会导致渗透率降低。
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