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 higher the salinity and lower the initial formation permeability, the greater the permeability reduction.
地层原始渗透率越低，地层渗透率降低程度越大；
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。
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.
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。
The reduction in permeability in the near-wellbore area resulting from mechanical factors such as the displacement of debris that plugs the perforations or formation matrix.
在近井地带由机械因素造成的渗透率降低，如碎片的驱替堵塞射孔孔眼或地层。
Experimental results of a uniaxial compression test for a saturated soft rock with low permeability verified an initial increase of rigidity and a strength reduction.
单轴压试验验证了常见低渗透的饱和软岩受压前期刚度加大、强度减小。
The reduction of permeability is blow 2 orders of magnitude, and most is blow 1 order of magnitude.
渗透性降低一般在2个数量级以内，大部分在1个量级以内。
Decrease of the oil displacement efficiency of the damaged reservoirs is mainly resulted from the reduction of matrix permeability, change of wettability and increase of capillary pressure.
基质渗透率的降低、润湿性的改变以及毛细管压力的增大是储层驱油效率降低的主要因素。
Split care primarily for neck and neck fracture fixation, such as reduction and fixation of cervical dislocation. There are easy to operate, fixed solid, and good permeability.
分体颈托主要用于颈部骨折固定，颈椎脱位复位固定等。有操作方便，固定稳固，透气性好等优点。
An experimental procedure was designed to simulate the reservoir permeability (matrix, natural fractures and induced fractures) reduction as a function of increasing effective stress.
一个实验过程设计模仿水库渗透矩阵，天然的东西是一个增加有效压力的功能断裂和引起破裂减少。
An experimental procedure was designed to simulate the reservoir permeability (matrix, natural fractures and induced fractures) reduction as a function of increasing effective stress.
一个实验过程设计模仿水库渗透矩阵，天然的东西是一个增加有效压力的功能断裂和引起破裂减少。
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