Based on this, we may make improvement to prolong the life of screw drill tool and screw pump.
这一观点，有可能使螺杆钻具与螺杆泵的寿命短的现状有所改善。
The paper measures the friction coefficient of Gongtou brand thread compounds for high torque drill tool.
文中采用传统的四球机法，对工投牌高扭矩钻具螺纹脂的摩擦系数进行了测试。
By the action of high roatry speed, excentric shaft connection intensifies the fatigue failure of drill tool.
为了达到较好的防斜目的，必须增大钻进时钻头的转速，在高转速的作用下，偏轴接头加剧了钻具先期疲劳失效。
The operation performance of PDC bits with screw drill tool appplied now in oilfield were analyzed comprehensively.
用螺杆钻具组合实施煤矿工程孔定向钻进时，钻头侧向力是其主要力学特性。
Two methods for determining the critical length of the drill tool section below the hydrodynamic propulsor are presented.
给出了确定井下液力推进器以下钻具临界长度的两种方法。
The selection and master design of guide drill tool are important problems usually met by field drilling operator and manufacturer.
导向钻具的选型与总体设计，是现场钻井工作者与制造厂家经常碰到的重要问题。
For a continuous steering drill tool assembly, because there is crew in it, any transient forced deformation has its special characters.
对于连续导向钻具组合来说，由于其弯螺杆的存在，使得其在任何一个瞬态的受力变形都有其独特的特征。
The drilling jar which is connected with drill tool and worked with drill string is a downhole stuck freeing tool in drilling operation .
随钻震击器是连接在钻具中随钻柱一起进行钻井作业的井下解卡工具。
This paper analyses the influence of excentric shaft connection on force case of drill tool, and discusses the causes of drill tool failure.
文中分析了使用偏轴接头对钻具各部分受力情况的影响及导致钻具失效的原因。
The statistics of drill tool failures from the oil field shows that failures of the stabilizer are large part of failures of drill tool failures.
现场钻具失效资料的统计分析表明，在钻具失效事故中稳定器失效占有很大一部分。
The purpose for the later is to improve the existing rotor screw drill for high efficiency. Subject heading: horizontal drilling screw drill tool control bending sub st...
研制后者的目的，在于改善现有中空转子螺杆钻具的软特性和低效率。
The drill tool has the advantages of capable of being used for drilling and tapping in a narrow space and the inside of a box part without using other devices, convenience and cost saving.
本发明具有以下效果：不使用其它设备，即可在隘小空间和箱体零件内部进行钻孔和攻丝，方便且节约成本。
Taking use of the shock absorber, it can raise the service life for drill bit and drill tool, speed up drilling, get rid of drilling jumping, well protect surface equipments and drilling tools.
所以在钻井作业中采用减震器，对于延长钻头使用寿命，加快钻进速度、克服严重跳钻、保证正常钻井、保护地面设备及钻具是十分可靠的。
Stacked near the checkout counters, and as colorful as a Fisher-Price toy, it is a not-so-serious-looking power tool: a battery-operated saw-and-drill combination.
堆在收银台附近，像费雪玩具一样颜色鲜艳的它，是一个看起来不那么严肃的电动工具：一个电池驱动的锯和钻的组合。
He was a tool pusher essentially, sold drill bits to oil-drilling companies.
他其实就是一个工具推销者，卖钻头给开采石油的公司。
You only need basic carpentry skills for framing and one special tool-a hammer drill for concrete fasteners.
你只需要一些基本的木工技能和一把特别的工具：打水泥紧固件的钻机。
While the format will be tool-dependent, it will most often consist of summary tables and graphs from which it is possible to drill down into the supporting detail data.
尽管具体的格式依赖于工具，但是结果常常由汇总表和图组成，可以从这些图表向下钻取到详细数据。
What makes drill-through definitions a powerful tool is the use of parameters.
参数的使用使穿透钻取成为真正强大工具。
Drilling is performed with a rotating tool called a drill.
钻孔是用一个称为“钻头”的旋转刀具进行的。
The downhole stabilizer location adjuster, fixed between the bit and the drill collar, is a special tool for continual deviation control of a slant hole.
井下稳定器安放位置调节器是斜井旋转钻井时实施井斜连续控制的专用工具，安装在钻头与钻铤之间。
This paper illustrates the principle of the inner cone grinding twist drill and the process of grinding experiments on the tool grinder.
阐述了内锥面法刃磨麻花钻的原理以及在工具磨床上进行磨削工艺试验的方法。
The fatigue failure of drilling collar thread linking is a main factor of the drill collar failure, which accounts for a large proportion of the accidents in the drilling tool failure.
钻铤螺纹联结失效是钻铤失效的主要因素，在整个钻具失效事故中占很大比例。
In the paper, a new working layer structure of diamond core drill for solving the problem is introduced which can increase the efficiency and the working life of the drilling tool.
文章介绍了金刚石钻孔工具一种新的工作层结构，该结构可以有效解决钻孔工具排粉散热难问题，提高钻孔工具的工作效率，延长钻孔工具的使用寿命。
Fit the rig tongs with the correct jaws for the drill pipe tool joint or the drill collar. Re-install the safety lock springs.
给大钳装上与钻杆接头或钻铤相匹配的钳头，再装上安全锁簧。
In this case, the cutting tool, thAT is, the drill, turns fast, but the workpiece doesn't move AT all.
在这种情况下，切削刀具即钻头快速转动，但工件却根本不动。
In rock drilling process with percussion-rotary drill rotating drilling tool bears two toques: dynamic torque which drives drilling tool into rock mass, and resistance torque of rock mass.
前言：在冲击—回转式凿岩机向岩石钻进过程中，旋转中的钻具承受着两种力矩的作用：一是驱动其旋转的动力矩；二是被钻岩石阻止其旋转的阻力矩。
The SJ type double way bumper is a kind of double-way shock absorbing tool which is used to simultaneously slow down or eliminate the vertically or horizontally shock from drill string.
SJ型双向减震器是一种能同时减速缓或消除钻柱纵向和周向振动的双向减震工具。
Most woodworking projects require you to bore holes of some sort and a drill is the only tool for this job.
大多数木作需要在木头上钻某种孔，钻是完成这类工作的唯一选择。
The drill bit is a direct tool for rock breakage. The rate of penetration is closely related with the drill bit as well as the mechanical properties of the rocks.
钻头是直接破碎井底岩石的工具，钻井速度的快慢不仅与钻头有关，而且与所钻岩石的力学性质密切相关。
A log similar to a dual induction log but made by an electromagnetic propagation tool built into a drill collar.
与双感应测井类似的一种测井方法，用安装在钻铤中的电磁传播仪进行测量。
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