The existence of vast area of tight sand rock, low permeability of sand rock and plenteous gas supply are all favorable conditions for the formation of deep basin gas traps.
大面积致密砂岩的存在、砂岩的低渗透性以及充足的天然气供应都是形成深盆气藏的有利条件。
In this paper, the technical channel, match ratio, mechanical property, and anti-chlorine permeability of HPC with tail mineral sand are studied systematically.
系统的研究了尾矿人工砂的技术路线、配合比、机械性能和高强混凝土的氯离子渗透试验。
The sealing capability of cap rocks is closely related to the porosity, permeability, the ratio of sand to mud contents and fluid pressure of the rocks.
盖层封闭的最常见形式是毛管封闭和压力封闭。这两种形式的封闭能力与岩层的孔隙度、渗透率、砂泥岩含量比以及流体压力有密切关系。
A sand retention screen with large radius and high permeability near the wellbore can be formed by high liquid production and the large amount of sand.
管外高压充填防砂增液技术通过高液量和大砂量在近井地带形成大半径、高渗透的挡砂屏障；
The result showed that the sand - consolidating agent had higher consolidating strength and permeability and very good acid resistance , salt resistance, oil resistance, and heat resistance.
结果表明，研制的固砂剂具有较高的固结强度和渗透性及优异的耐酸、耐盐、耐油和耐温性能。
Log data may be used for calculating shaly capping beds parameters such as thickness, displacement pressure, total porosity, effective porosity, permeability, sand content, etc.
介绍了根据测井资料可综合评价泥质盖层的参数，包括厚度、排替压力、盖层总孔隙度、有效孔隙度、渗透率、含砂量等。
Aeidization and sand fracturing cooperation operation technology is a hot spot of new technologies developed for complicated hydrocarbon reservoir with low permeability.
酸化与加砂压裂协同作业工艺技术，是近年来针对低渗透等复杂油气藏所开展的热门新技术。
The sand body at Shihezi formation of Tabamiao area in Erdos basin is mainly plain and fluvial deposits with characteristics of low porosity, low permeability and high impedance.
鄂尔多斯盆地塔巴庙工区下石盒子组砂岩体主要属平原分流河道沉积，具有低孔、低渗和高阻抗特征。
This paper fully and systematically analyses the reasons for low oil yield of numbers of heavy oil, super-heavy oil, loose sand reservoir and low permeability layers in Shengli oilfield.
全面系统地分析了胜利油田一批稠油、特稠油、疏松砂岩油藏以及低渗透油层低产的原因。
Mean permeability of massive bedding fine shingle lithofacies and mean porosity of reverse cross bedding fine sand lithofacies are the biggest in all of lithofacies.
块状层理细砾相的平均渗透率最大，反向交错层理细沙相的平均孔隙度最大。
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。
When using beetle for sand control, the cost is low, surface viscosity is low, pumpability is good, operation is simple, and both the strength and permeability after sand consolidation are high.
改性脲醛树脂用于防砂，成本低、地面粘度小、可泵性好、施工操作方便，固砂后强度、渗透率均较高，有一定的应用前景。
The factors that remarkably affect the permeability of sand were the ratio of course area to pump area, granularity of the dry-sand and their interaction, and their affecting degree minished in order.
显著影响型砂渗透系数的因素是通流面积与抽气面积的比值，型砂粒度以及二者之间的交互作用，其影响程度依次减小。
The probability model distributions of permeability coefficient and anti-permeability strength of sand are studied by using the seepage deformation experiments.
通过粗砂渗透变形重复性试验，分析了粗砂渗透系数与抗渗强度概型分布。
Due to deep reservoir bed, Anpeng Oilfield is a typical sand oil and gas reservoir with high temperature, high pressure, low porosity and poor permeability.
安棚油田储层埋藏深，属于典型的高温高压特低孔特低渗裂缝砂岩油气藏。
Using the sand pack model, the percolation features of low permeability cores with various clay minerals and different proportions of clays are studied under different fluid injection patterns.
通过室内填砂管渗流实验，研究了不同粘土类型、不同粘土比例的低渗透岩心在不同流体注入方式下的渗流特性，并根据实验结果分析了其渗流机理。
Based on the result of stress sensitivity experiments of low-permeability sand gas reservoir, we found the low permeability of Sulige 's gas reservoirs taking on stronger stress sensitivity.
对低渗透砂岩气藏应力敏感性进行了细致的实验研究，发现低渗透气藏具有较强的应力敏感性。
Frac and pack technology is both a effective stimulation and sand control treatment, and a new completion method in unstable crumbly formation and high permeability reservoir.
压裂充填工艺是中高渗透油气层和不稳定松软地层的有效增产、防砂措施，又是一种新的完井方法。
The influences of threshold pressure gradient, vertical heterogeneity, subzone thickness and areal sand thickness distribution on development of low-permeability heterogeneous reservoirs are analyzed.
根据低渗透非均质油藏的特点，分析了启动压力梯度、纵向非均质性、小层厚度和平面砂体厚度展布对该类油藏开发的影响。
It is generally considered that formation sand production does not happen in low-permeability oilfields.
通常认为低渗透油田不会发生地层出砂。
Rocks have better water permeability than sand.
岩石的透水性不如沙土。
The study shows that the permeability of the sand course has greater influence on the consolidation process of the sand well foundation and it relates to the parameters such as well resistance etc.
研究表明，砂垫层透水性对砂井地基固结过程有较大影响，且与井阻等参数有关。
The generally used sand production predicting indications including interval transit time, permeability, combined modulus and sand producing exponents are analyzed.
得出组合模量和出砂指数实质上是同一参数；
The river deposit, which is made up of naturally graded sand and gravel, is characterized by its well gradation, easy control of its particle size, easy compaction and good permeability.
这种天然级配砂砾具有级配良好、粒径易控制、易碾压成型、透水性好等特点。
The heterogeneity of sand-body caused water' s breakthrough in high permeability area and produces remaining oil in low permeability part.
③砂体非均质严重，在高渗透地带造成水窜，在低渗透地区形成剩余油。
Sand layers under basement lane of Guangzhou New TV Tower have poor permeability, and quicksand and water gush during excavation.
广州新电视塔地下室车道砂层透水性差，在土方开挖中遇到流砂、涌水等现象。
The important residual oil abundance zones are in the sand amalgamation belts on plane, and the relative low-permeability areas are in the major sand boundaries.
平面上的砂体拼接带及主砂体边缘相对低渗透区域是剩余油富集的重要场所。
The important residual oil abundance zones are in the sand amalgamation belts on plane, and the relative low-permeability areas are in the major sand boundaries.
平面上的砂体拼接带及主砂体边缘相对低渗透区域是剩余油富集的重要场所。
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