在纵向上，后续水从高渗层转向低渗透层，提高纵向波及系数。
In the vertical direction, follow-up water diverted from the high-permeability layer to the low-permeability layer to enhance the vertical sweep efficiency.
聚合物溶液在模型高渗透层内提高驱油效率作用的效果要好于中、低渗透层。
The effect of polymer solution on improvement of oil-displacement efficiency in high permeability layer is better than the effects in medium and low permeability layer.
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 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.
在聚合物驱及聚合物交联微凝胶驱后，地层内剩余油主要分布在中、低渗透层，这是进一步提高采收率的潜力所在。
After polymer flooding and polymer cross link micro gel flooding, the residual oil mainly distributes in middle and low permeable reservoirs. This is the potential area of EOR.
因此，低渗透储集层的测井解释模型要针对不同的储集层类型建立模型，其核心问题是利用测井资料进行低渗透储集层类型的识别。
Therefore the log interpretation model should be set up in consideration of the different reservoir types and its key problem is to identify the low permeability reservoir type by use of log data.
低渗透储层渗流具有非达西特征和启动压力梯度，是研究低渗透储层开发过程中问题的基础。
Research on characters of non-Darcy flow and starting pressure gradient of low permeability reservoir were foundation of reservoir production.
侏罗系煤系地层广泛分布于我国西北地区，低渗透砂岩储集层是其主要的储集层类型。
Jurassic coal-bearing formation scatters over the northwestern China. The low-permeability sandstone reservoir occurs as the main reservoir type.
在低渗透性储层中通常对油井和气井所进行的增产处理。
A stimulation treatment routinely performed on oil and gas Wells in low-permeability reservoirs.
低渗透储层是我国目前油气勘探的主要目标之一。
Low permeability reservoir is one of the main oil and gas exploration areas in China.
低渗透砂岩储层经历复杂的成岩作用，对有利储集相带的分布有较强的控制作用。
Complicated diagenesis had happened in the low - permeability sandstone reservoir which mainly controls the distribution of advantageous reservoir facies.
现代油藏描述、数值模拟技术对研究低渗透储层发育特征和剩余油分布规律，具有十分重要的作用。
Modern reservoir description, numerical simulation has very important role in researching the lower permeability formation growth characteristics and remained oil distributing disciplinarian.
低渗透储层的射孔技术必须配合压裂增产改造技术而开展，其中射孔层位优化是其关键问题之一。
Perforation technology of low permeability reservoir must be combined with fracturing technology, and the optimization of perforated intervals is one of the key problems.
通过评价实验，考察了压裂液冻胶在低渗透气藏微裂缝储层中的降滤失性能。
The fluid loss reducing capacity of the gel was investigated in the microcrack reservoirs of the low permeability gas reservoir through evaluation tests.
系统开展低渗储层中裂缝特征和分布规律研究预测，无疑对我国的低渗透储层油气勘探开发具有指导作用。
No doubt, it has a directive effect on exploratory development of petroleum in China that predicts fracture character and distributive law in low permeability reservoirs.
得到了裂缝性低渗透储层岩心水相渗透率随回压的变化曲线。
The relation curves of water phase permeability of reservoir cores and back-pressure were obtained.
对于裂缝性低渗透储层，由于其基质孔隙度小、渗透率低，天然微裂隙成为决定压裂液滤失的主要因素。
Micro fissure is a significant factor for determining the fluid loss in low-permeability fractured reservoir, due to its small porosity and low permeability in the matrix.
低渗透油藏的主要特点是储层孔隙小、喉道细、渗流阻力大，油井产油能力和吸水能力都非常低。
Low permeable reservoir is mainly featured by small reservoir pore, fine throat, high filtration resistance, low oil productivity and low water absorbing capacity.
并结合压裂后试油资料，将微电极负差异现象应用于低渗透油藏储层判别中，取得了良好的效果。
In combination with oil testing data after fracturing, the separations are used in low permeability reservoir discrimination and it has achieved good effectiveness.
低渗透气藏储层一般具有渗透率低、泥质含量高的特征。
The tight reservoir is of the characteristics of low permeability and high shale content.
库车地区砂岩储层以高压低孔隙度低渗透率为显著特征，且储层结构复杂，给储层测井评价带来很大困难。
In Kuche area, the sandstone reservoir is characterized by low porosity, low permeability and high pressure, and pore texture is complex, so, it is very difficult for reservoir log evaluation.
该方法的应用有效地提高了川西致密低渗透储层的测井解释精度。
Application of this method increased the accuracy of logging interpretation in low permeability tight reservoirs in Chuanxi depression.
中国山西河东地区中阶煤储层的含气量比较低、含气饱和度低，而储层渗透性好，储层能量比较大；
The reservoirs of the medium rank coal characterize low gas content, low gas saturation, good permeability, and high energy in Hedong area of Shanxi, China.
通过所建模型在某气田低孔隙度低渗透率储层测井解释中的实际应用，取得了满意的效果。
The actual application of these models to some gas reservoirs with low porosity and permeability has proved their reliability and satisfaction in logging interpretation.
对某油田断块含天然裂缝的低渗透储层渗流特征进行了实验研究。
The seepage flow characteristics of a typical fractured low permeability reservoir were studied by experiments.
通过研究全直径岩心不同驱替阶段核磁共振弛豫时间谱的变化规律，探讨了低渗透储层渗流机理。
The percolation mechanism in low permeable reservoirs is investigated through studying the law of NMR relax time in different displacement stage of full core.
水锁效应对低渗透储层会产生伤害，严重影响气藏的产能。
Water lock effect will bring harm to low permeability reservoir and impair reservoir productivity.
对于低渗、特低渗储层渗透率恢复值可达到78%和85%。
Permeability recovery reached 78% and 85% for low and very low permeability cores respectively.
表明开展低孔隙度低渗透率储层的岩石物理实验，对于建立测井解释模型，进而评价该类储层，具有重要的研究价值。
It indicates that core experiments of petrophysical parameters for low porosity and permeability reservoir are important in establishing logging interpretation models and formation evaluation.
这类侧钻井具有侧钻开窗点高、尾管尺寸小、目的层渗透率低、压力低、产量低等特点。
These Wells possess such characteristics as high window cutting point, small size of tailpipes, low permeability of target strata, low pressure and low production.
这类侧钻井具有侧钻开窗点高、尾管尺寸小、目的层渗透率低、压力低、产量低等特点。
These Wells possess such characteristics as high window cutting point, small size of tailpipes, low permeability of target strata, low pressure and low production.
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