The fracturing of high permeability zone is a vital breakthrough of hydraulic fracturing. We need to pretest the production response ahead of the tip screen-out fracturing design.
高渗透层压裂技术是水力压裂的一个重要突破,在进行高渗透压裂设计时需对方案的增产效果进行预测。
The treatment and control of the large water inrush from structure broken zone would be a process to reform the pipeline and crack structure to the pore medium and till no permeability zone.
治理构造破碎带大型突水就是改造其管道、裂隙状结构成孔隙介质直至不透水带的过程。
Materials used as cigarette papers, filter plug wrap and filter joining paper, including materials having an oriented permeable zone. determination of air permeability.
作卷烟纸用的材料,过滤纸和过滤嘴接缝纸材料,包括定向可透气部分用的材料。透气性的测定。
The flow depends on following: permeability decrease in crushed zone, the shapes of perforating tunnel, the thickness of crushed zone.
流量影响因素依次为:压实带内渗透率下降程度、射孔孔道形状、压实带厚度;
The factors that influence core flow efficiency are flow permeability decrease in crushed zone and the thickness of crushed zone.
流动效率影响因素依次为:压实带中渗透率下降程度、压实带厚度。
The effective permeability can be regarded as the average permeability over the whole production zone influenced by the fluid flow during the well test.
由试井解释得到的有效渗透率,可以认为是油层在测试过程中流动影响所涉及的整个范围内的渗透率的平均值。
The analysis of example proves that the low permeability of interior zone will sharply reduce the maximum production rate.
实例分析证明,内区的低渗透率会急剧降低无阻流量。
Then this paper selects porosity, permeability, flow zone index and other parameters to carry on cluster analysis, divide flow units and establish identification index system of flow units.
在此基础上选取孔隙度、渗透率、流动层带指标等参数进行聚类分析,划分流动单元并建立流动单元判别指标体系。
Near the décollement structure surface, at the bottom of the Cambrian and the top of the Archean, developed an interjacent fractured zone which shows high porosity and high permeability.
构造破碎带附近古生界底部和太古宇顶部出现破碎带,表现为高孔隙度、高渗透率带。
The results show that the probability distribution characteristic of the vertical permeability coefficient in fissured rock zone is much close to the log-normal distribution.
结果表明,同正态分布和均匀分布相比,裂隙岩体地区的垂向渗透系数更接近对数正态分布。
OADC with consideration on the gradual variation of horizontal permeability of soil in disturbed zone is greater than the one without considering the horizontal permeability variation.
在线性加载的情况下,考虑了扰动区土体水平渗透系数抛物线变化以及桩周土体的径、竖向组合渗流,给出了该问题的控制方程以及解答。
Good permeability, so that the cutting zone, cooling, cleaning and good effect, prevent the workpiece burn.
渗透性能好,使切削区冷却,清洗效果特别好,防止工件烧伤。
NMR Logging can provide accurate values of irreducible liquid, movable liquid, effective porosity and permeability, and also identify the tight zone, water zone and gas-bearing zone.
核磁共振测井可以准确地提供地层的自由流体体积和束缚流体体积、有效孔隙度及其渗透率,能较好地判断干层、水层及气层。
For hydraulic fracturing, the damage to fracture surface is ever severe, the permeability of damage zone is ever low, and the production response of hydraulic fracturing is ever junior;
常规压裂时,压裂液对裂缝壁面的污染越严重,裂缝壁面污染带的渗透率就越低,水力压裂能获得的增产倍比就越小;
For high permeability and loose sand in bohai, these links are composed of wire wrapped screen, gravel packing zone, perf, skin and near wellbore undisturbed formation.
具体到渤海高渗透疏松砂岩,这些环节包括绕丝筛管、砾石充填层、射孔孔眼、压实带及近井原状地层。
Thus, relatively complete accumulation succession and mechanism model of deep basin gas accumulation and its high-permeability gas-rich zone under physical laboratory condition are established.
从而建立了实验条件下较完整的深盆气富气区块成藏序列及成因机理模式。
The precipitated chemicals formed a temporary substance zone in which the permeability for steam and hot water was reduced.
析出的化学药品形成暂时的物质带,在这个物质带里,蒸汽和热水的渗透率减小。
A new method for improving permeability of oil reservoir in the zone far from Wells is proposed.
对于当前缺乏有效影响油井远井地带手段的问题,提出了一种新的解决方法。
Natural fissure in the low-porosity-and-permeability-zone pays the very important role to the permeability of reservoir.
天然裂缝对低孔低渗透油气藏储层渗透率的贡献很大。
Natural fissure in the low-porosity-and-permeability-zone pays the very important role to the permeability of reservoir.
天然裂缝对低孔低渗透油气藏储层渗透率的贡献很大。
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