But if matrix permeability is low, higher recovery rate is not allowed to use due to its low imbibition displacement velocity.
如果基质渗透率较低，因其吸渗排油速度低，不宜采用较高的采油速度。
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。
The matrix pores in coal play a little role in fluid flow, therefore the permeability derived from well test is the reflection of the percolation flow capacity in cleat system.
煤基质的孔隙性对流体流动影响极小，试井所得渗透率反映的是割理系统的渗流能力。
In each case, the matrix acidizing treatment improves the formation permeability to enable enhanced production of reservoir fluids.
在每种情况下，基岩酸化处理改善了地层的渗透性，于是使储层流体的产量增加。
Matrix porosity and permeability are low in the Ordovician carbonate reservoirs of Lunnan buried hill, but the reservoir conditions are improved by the growing of dissolved pores.
轮南奥陶系潜山碳酸盐岩储层基质孔隙度和渗透率很低，但溶蚀孔洞的发育改善了其储集条件。
The porosity and permeability of matrix, and the width, density and direction parameters of fractures were obtained by core analysis, well logging, seism and thin section observation methods.
利用岩心分析、测井、地震、薄片分析等静态描述手段测试并计算了基质的孔隙度和渗透率，得到裂缝的宽度、密度和方位等参数。
Not only the fractures can connect the separated cavity to grow the effective reservoir space and improve the permeability of matrix, but also is the main path of petroleum migration.
裂缝不仅可以使孤立的孔洞得以连通，发育成有效的储集空间，大大提高基质渗透率，更是油气的主要运移通道。
The obvious slippage effect for gas flow has been found due to the low gas permeability, and the effect of coal matrix shrinkage on the permeability is also indispensable.
低渗透气藏中的气体渗流具有明显的滑脱效应，同时煤基质收缩效应对煤层渗透率的影响也是不容忽视的。
The results show that the permeability is closely related with the confined stress, hydraulic pressure and matrix suction.
结果表明，油田白垩的渗透性与其所承受的应力、渗压梯度和基质吸力都有着密切的联系。
The low permeability reservoir reflected by the matrix does not represent the real permeability of the reservoirs.
鄂尔多斯盆地中，所谓“超低渗透”是指基质渗透率，不能代表地层总渗透率。
Blockage of coal seams by fracturing fluids (FFs) and swelling of coal matrix owing to FF adsorption are discussed and considered to be the basic factors for coalbed permeability damage.
讨论了伤害煤层渗透率的两大因素：压裂液堵塞煤层割理；煤基质吸附压裂液而膨胀。
The dynamic relaxation technique in discrete element method is introduced to solve the permeability field without assembling the global matrix.
采用离散元方法中的动态松驰技术，在无须组装整体渗透矩阵的情况下求解裂隙网格各结点的水头值。
Currently, Solve the above problems are most common approach is to use matrix acidizing, Corrosion near wellbore area of blockages, Increased permeability.
目前，解决上述问题最常用的办法是采用基质酸化解堵，溶蚀近井地带的堵塞物，提高地层渗透率。
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.
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。
The resonance and tunneling problem of pairing conjugate structure consisting of negative permittivity and negative permeability materials were studied by using transfer matrix methods.
利用转移矩阵方法，研究了负介电常数材料和负磁导率材料组成的双层共轭结构的共振隧穿问题。
Understanding the behavior of the permeability of the matrix frame as a function of reservoir depletion, is vital to designing optimum stimulation treatments.
懂得一个水库耗尽的功能矩阵结构的渗透的行为，请对设计最适合的处理至关重要。
The matrix of shale reservoirs is featured by extremely low permeability and there are clustered natural fractures filled with secondary minerals.
页岩气储层的基质渗透率非常低，并且存在次生矿物填充的簇状“天然”裂缝。
Finally, the model of matrix porosity and the evolution of permeability tensor of Microfracture for hydraulic fracturing rock is established.
最后，建立水力压裂岩体基质孔隙和微裂缝渗透张量演化模型。
Slow velocity flow of low permeability rock matrix has very wide application background in oilfield development and hydro-engineering.
低渗透岩体的低速渗流在石油开发和水利工程方面具有十分广泛的应用背景。
The cyclic water-flooding method is effective for development of oil in low-permeability matrix of limestone reservoir and unsuitable for the oil-wet reservoir.
周期注水是开发灰岩储层低渗透基质中原油的一种有效方法，但对于亲油储层效果较差。
Particles are used to increase the modulus of the matrix, to decrease the permeability of the matrix, to decrease the ductility of the matrix.
微粒用于增加基材的模量、减少基材的渗透性和延展性。
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。
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。
The effect of permeability of fissures on the matrix imbibition is considered.
渗吸系数考虑了裂缝的影响；
The effect of permeability of fissures on the matrix imbibition is considered.
渗吸系数考虑了裂缝的影响；
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