• A little boy is on his knees scooping and packing the sand with plastic shovels into a bright blue bucket.

    男孩在地上,塑料铲把沙装一个蓝色桶里

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  • A little boy is on his knees scooping and packing the sand with plastic shovels into a bright blue bucket.

    男孩在那儿塑料沙子沙子一个鲜艳的桶里

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  • Production line of reshaping silica sand mainly consists of raw sand drying, reshaping, screening, packing section and dust collecting system.

    整形生产线主要烘干、整形、筛分包装工段以及除尘系统组成。

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  • This product is adopted and passed the silkworm sand with refined special craft as the packing material.

    采用经过特殊工艺精制作为填充物

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  • The gravel packing in casing is a effective method to prevent sand production.

    管内砾石充填防砂一种行之有效的防砂方法

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  • It provided the optimum design parameters for gravel packing sand control design in horizontal well.

    水平井砾石充填防砂设计提供优化设计参数

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  • 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.

    具体到渤海渗透疏松砂岩这些环节包括绕丝管、砾石充填射孔孔眼、压实带原状地层。

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  • This paper proceeds some discussion about the optimized sand-ratio, ave rage paste thickness and aggregate packing degree in the packing concrete mix proportion design.

    本文密实混凝土配合比设计中的优砂率、平均胶结浆体厚度骨料密实度进行一些探讨

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  • The paper presents laboratory research on the physical simulation and numerical simulation of the gravel packing sand control in the horizontal well.

    介绍水平井砾石充填防砂物理模拟数值模拟实验研究

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  • Incipient motion of solid grain in solid-liquid two \ | phase flow is often concerned in many petroleum technologies, such as horizontal drilling, gravel-packing and sand washing.

    水平井钻井、砾石充填冲砂作业涉及流动固体颗粒起动问题。

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  • Living short neck clam, sand out, pearl out by machine one by one, IQF, packing in vacuum.

    加工方法:贝,吐仪器排除珍珠,冷冻,真空包装

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  • The term is also used in gravel packing to describe the act of placing all the sand or gravel in the annulus.

    术语同样用于砾石充填描述空内充填沙子砾石。

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  • 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高压充填防砂产能预测模型

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  • The successful application of water carried gravel packing sand control technique has solved the problems existed in the previous sand control…

    充填砾石防砂技术油田的成功应用,解决了以往防砂措施存在问题,并取得了良好防砂效果。

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  • The successful application of water carried gravel packing sand control technique has solved the problems existed in the previous sand control…

    充填砾石防砂技术油田的成功应用,解决了以往防砂措施存在问题,并取得了良好防砂效果。

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