The water intake capacity of the intermediate and low permeable strata increasing and the water intake capacity of the high permeable strata reducing are marked by the permeability grade increasing.
渗透率级差越大，低渗透层相对吸水量提高，高渗透层相对吸水量降低幅度越大，调剖效果越显著。
The permeable condition of shale reservoirs with stress releasing has been improved, and the current stress field controls the stress distribution of strata.
构造应力释放区的泥岩储层渗透条件得到改善，现今应力场控制着地层压力的分布。
The major pay bed is low permeable ultra dense sandstone. Its permeability and pore throat texture are very sensitive to the net pressure of overlying strata.
主要产层为低渗透超致密砂岩，其渗透率和孔喉结构对上覆地层净压力很敏感。
Strata reasons have caving, fracturing and permeable types;
地层因素可分为洞穴型、裂隙型、渗透型；
The hurtlement of polymer solution along high permeable zones in reservoir strata is an important factor affecting the oil displacement efficiency in polymer flood in Daqing.
聚合物溶液沿高渗透层突进，是影响大庆油田聚合物驱效果的一个主要因素。
Oil and gas generated in the northeastmoved to the southwest, the higher part of the slope through fault and permeable carrier layer, and accumulated in the favorable place of strata and structure.
油源对比表明，上二叠统优质烃源岩主要分布于达坂城次凹东北部，其生成的油气沿燕山、喜山期形成的断裂以及上二叠统孔、渗性较好的输导层向西南方向斜坡带的较高部位运移。
Oil and gas generated in the northeastmoved to the southwest, the higher part of the slope through fault and permeable carrier layer, and accumulated in the favorable place of strata and structure.
油源对比表明，上二叠统优质烃源岩主要分布于达坂城次凹东北部，其生成的油气沿燕山、喜山期形成的断裂以及上二叠统孔、渗性较好的输导层向西南方向斜坡带的较高部位运移。
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