In this paper a new water glass self-hardening fluid sand mixture made without the use Of foaming agent is described.
本文介绍的是一种不用发泡剂的新型水玻璃流态自硬砂。
The clam's movements turn the sand around the creature into more of a fluid-basically quicksand.
蛤蚌的运动使得它周围的沙子形成一种流体- - -本质上是流沙。
The clam 's movements turn the sand around the creature into more of a fluid-basically quicksand.
蛤蚌的运动使得它周围的沙子形成一种流体- - -本质上是流沙。
Otherwise there will be a large error between the value calculated by Stokes formula and the actual value under the condition of bigger sand grain and lower fluid viscosity.
当砂粒较大、液体粘度较小时，用斯托克斯公式得出的计算值与实际值相差很大。
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。
Fracturing equipment includes pumping units, blenders, bulk handling equipment such as sand and frac fluid transports, and a manifold trailer, etc.
压裂设备包括泵机组、混砂车、散装运输设备(如砂子和压裂液运送设备)以及管汇拖车等。
For serious formation leakage, the working fluid can't carry sand column to ground surface in the process of sand washing.
由于地层漏失严重，作业冲砂施工过程中工作液无法将井筒内的砂柱携出地面。
On the other hand, the effective large-scale sand fracturing requires optimum reservoir formation, fracturing fluid and techniques, and systematic control of the fracturing quality.
另一方面，大型加砂压裂作业有效，需有机地匹配和优化储层、压裂液和工艺，并系统地控制压裂质量。
Because the filters move with the plunger, the sweeping action of the fluid on the downstroke cleans the filters and keeps sand suspended within the production fluid.
因为滤渣器与泵塞是连轴一起移动的，在下冲程期间进入的液体可以起到冲刷作用，利用液体的冲刷来清理滤渣器，使砂粒悬浮于产出液中。
The mode of fluid flow is discussed. It is believed that there may be both lateral and vertical flows in the sand lens under the overpressure condition.
对砂岩透镜体中的流体排放机制进行了探讨，并认为处于强超压状态的砂岩透镜体油气藏可能存在侧向和垂向两种流体排放模式。
Two-fluid large eddy turbulence model is applied to research the movement of the sand clouds in quiescent water.
本文采用双流体大涡紊流模型对静水中泥沙云团下落过程进行了研究。
Through continuous automatical adjustion of the paragraphs fluid volume, ground sand concentration, proppant type and size and so on, the software finally designs fracturing process.
通过不断自动调整各段防砂液体积、地面加砂浓度、支撑剂类型和粒径等，设计出压裂施工程序。
After broken, various formulations have no residue, no damage to earth. in comparison suspended sand performance with CMC and HPAM, fracturing fluid formulations have good sand carrying performance.
各个配方体系破胶后均无残渣，对地层无伤害。通过与CMC和HPAM在悬砂性能上的对比得出：压裂液配方具有很好的携砂性能。
This paper introduces the fluid self hardening sand of its prescription, properties, characters and productive applications.
叙述了流态自硬砂的配制、性能、工艺特点以及生产应用；
The sand producing mechanism of Sebei gas field is analyzed thoroughly with the reservoir features, the litho logy features, the percolation velocity, and the reservoir soaked by working fluid, etc.
文章从储层特征、岩性特征、气体渗流速度、作业液浸泡等多个角度对气田地层出砂的机理进行了较为全面的分析。
Foam fluid is widely used in sand-flushing operations in oilfields, while the prop-carrying capability of foam fluid is very important.
泡沫流体广泛应用于油井的冲砂洗井作业中，携砂能力是衡量其性能的一项重要指标。
Through additive selection and formula optimization, the basic composition of sand consolidating fluid (SCF) is established as follows: 5.
通过组分筛选和配方优化，得到固砂液的基本配方为：5。
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。
A digital signal processing way is established to obtain ultrasonic signal frequency shift in the test of high sand content fluid flow.
笔者采用数字手段去测取超声波信号的频差，通过频差法可得出流体的平均速度，进而获得高含沙量流体的流量。
The wear properties of three polymers and two stainless steels are studied. It finds out that UHMWPE is best to be applied under the conditions of high speed fluid with sand.
试验研究了三种聚合物材料和两种不锈钢材料的耐磨性，指出超高分子量聚乙烯（UHMWPE）最适合在含沙高速水流中工作，具有较好的耐磨性和保护作用。
Effect of curing temperature, curing time, resistance to media, kind and volume of the sand-laden fluid, and particle size of proppant on fibre compound sand control system were discussed.
探讨了固化温度、固化时间、耐介质性、携砂液的种类和用量以及支撑剂粒径等对纤维复合防砂体的影响。
And unique sand-settling pipe is also designed to prevent the sand from plugging the discharging pipe as fluid stops flowing.
最后为防止液体停止流动导致砂堵排出管，设计了结构独特的沉砂管。
At last, the productivity predicting model of the high-pressure packing sand-control well with the transitional zone is established based on the fluid mechanics in porous medium.
最后，根据渗流力学原理建立了更加完善的高压充填防砂井产能预测模型。
In this paper, the properties of two starts of sand particles were analyzed, the fluid start was defined as wind erosion start and impact start of saltation as substitution start for the first time.
文章分析了沙粒两种起动的不同性质，首次把流体起动界定为风蚀性起动，把跃移质冲击起动界定为置换性起动。
In this paper, a new ultrasonic method of measuring the amount of sand contained in fluid or in sediment model has been introduced.
本文所提出的超声测沙方法的原理，是根据超声波在含沙水流中传播时在悬沙上产生的反射波的数目来测量含沙量的大小。
In this paper, a new ultrasonic method of measuring the amount of sand contained in fluid or in sediment model has been introduced.
本文所提出的超声测沙方法的原理，是根据超声波在含沙水流中传播时在悬沙上产生的反射波的数目来测量含沙量的大小。
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