查询词典 casing spear

The Casing Spear is used to engage a fish internally in order that it may be pulled or jarred from the hole. It is especially designed for marine operations.

套管捞矛是通过抓紧落鱼内径而把落鱼从井内提拉或震击出来的一种打捞工具，它尤其适用于海上套管打捞作业。

In order to implement simultaneous casing while drilling of larger diameter pile holes and water wells in complex strata, a new type of bit for simultaneous casing while reverse circulation drilling with DTH air hammer was developed.

为实现在复杂地层用同步跟管钻进工艺钻凿直径较大的桩孔和水井，设计了一种气动潜孔锤反循环跟管钻进钻头。

Cased hole formation resistivity logging calculates apparent formation resistivity by measuring slight potential difference on metal casing,its measurement error of the apparent formation resistivity is decided by the measurement error of the potential difference on the casing.

过套管电阻率测井通过测量金属套管上的微小电位差来计算地层视电阻率，套管上电位差的测量误差决定了地层视电阻率的测量误差。

Color should have matched, color of graph bell advertising perhaps follows mass-tone attune to be close friends consistently, perhaps follow mass-tone phase modulation to be close friends instead, try more, may increase many income, the flower changes a code a few minutes to be able to raise a few yuan of money, the input casing of functional code should have a difference with the color all round, want to have window, for instance all round it is grey black, functional code inputs casing to do a bright yellow, compare so conspicuous.

颜色要搭配好，图铃广告的颜色也许跟主色调一致要好，也许跟主色调相反要好，多尝试一下，也许能提高不少收入呢，花几分钟换个代码就能提高几十元钱，功能代码的输入框要跟四周的颜色有差别，要有亮点，比如四周都是灰黑色，功能代码输入框弄个亮黄色的，这样就比较显眼。

Is a professional manufacturer of various plastic PC pipe, PC Profile, LED guardrail lamps manufacturer of plastic accessories; products are mainly used in road and bridge parapets lights casing, bridge lamp casing, building outside the outline of outer tube lights, stage lights outer tube, urban lighting decoration works.

是一家专业生产各种塑料PC管、PC异型材，LED护栏灯塑料配件的生产厂家；产品主要用于路桥护栏灯套管、桥梁灯套管、大厦外轮廓灯外管、舞台灯外管，城市亮化装饰工程等。

Temperature's effect on casing joint sealing and casing additional loads is discussed in this paper.

本文主要讨论了温度对套管接头密封性能的影响和温度对套管附加载荷的影响。

The conventional casing centralizer can not meet the requirements of expandable casing.

传统的套管扶正器满足不了可膨胀套管的扶正要求。

The casing centralizer is used to centralize the casing in the bolehole to ensure the even solidification of cement slurry within the annular,which can improve the cement job quality.

套管扶正器的作用是使套管在井眼内居中，保证固井时水泥浆均匀凝固在套管与井壁所形成的环形空间内，从而提高固井质量。

This method is clear in concept, calculated simply , results accurately in calculation, and used on site conveniently, which provides scientific fact for the correct discription of casing string flexural equation ,accurate calculation of casing flexural deform, and reasonable determination of centralizer position.

但这种计算模式都是基于轴向力为零，只考虑了套管自重引起的横向均布荷载对挠曲变形产生的影响，因此，这种方法仅仅适用于计算"中和点"附近套管柱挠曲变形量这种特殊情况。更加普遍的情况是，套管不仅受自重引起的横向分力的影响，还受轴向力的作用。

The fixation of oil-well establishment is an important thing , and the design of casing is also crucial . So how to make it durable and economical is our purpose - optimization of casing size and coadjutor layout .

固井是油井建井过程中的一个重要环节，而套管设计又是其中的一个关键问题，如何让其满足强度要求而又尽可能的经济，即追求套管尺寸和扶正器布局的最优化是我们最追求的目标。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。