片语

drill-string tripping鉆具组升降程序

drill l string compensator鉆柱补偿器

tapered drill collar string塔式鉆铤组合

Drill l String鉆柱

drill stem[机] 鉆柱；[机] 鉆桿；鉆具

drill pipe string鉆桿柱

the drill pipe string长石油管串

drill-string bending鉆柱弯曲

intelligent drill-string智能鉆柱

英汉例句

• although there are considerable progress of the methods and study about the drill string torque measurement at home and abroad, many program have defects and need further improvement.

  目前国内外对有关鉆柱扭矩测量的方法与研究工作虽然有较大的进展，但是很多方案在测量精度上还不够理想，需要进一步的改进和完善。

• finally, the paper introduced effective control methods of common drill string vibration and deviation problem.

  最后对常见的鉆柱振动和井斜问题介绍了有效的控制方法。

• the driller sets the drill string in the slips (or on the elevator).

  司鉆要把鉆具坐在卡瓦或吊卡上。

• when the force can not contact drill string with one side of the borehole wall, the stiffness of drill string can influence the contact force.

  当外力不足以使鉆柱紧贴于井壁的一侧时，鉆柱的刚度对鉆柱与井壁之间的接触力有影响。

• establish the erosive wear mechanism of drilling string in air drilling and put forward that erosion wear is a substantial cause to promote drill string failure.

  初步确立了空气鉆井鉆柱沖蚀磨损机理，提出鉆屑沖蚀是促使鉆具失效的一项重要原因。

• the simulation results show the resistance to the drill string by the diverter reaches the minimum and can be reduced by 46.98% compared with the original design.

  仿真结果表明，转向器对鉆柱的阻力达到最小，与原设计值相比，转向器阻力减小了46.98%。

• the rotary carriage provides rotary and vertical motion to the drill string and bit.

  转动滑架为鉆柱和鉆头提供转动和垂直移动。

• thus the finite element method is used to study the duplex nonlinearity(geometric nonlinearity and contact nonlinearity)of the drill string at the well bottom.

  针对以上难题，利用有限元法研究了鉆柱在井底的二重非线性（几何非线性和接触非线性）问题。

• a new lithology identification method based on axial amplitude modulation signal of drill string is proposed.

  提出了一种利用鉆柱轴向振动调幅信号实现巖性识别的方法。

• it was observed from examples that eccentricity of drill string had major effect on the axial flow rate of power-law screw fluid when the other parameters were invariant.

  从算例可以发现：在其它参数不变的情况下，鉆柱的偏心对幂律流体螺旋流轴向流量的影响非常大。

• it is a very obvious phenomenon of the drill string vibrating in the drilling.

  鉆柱振动现象在鉆井施工中是非常突出和明显的现象。

• lower drill string to top of pin and engage threads.

  下放鉆柱至丝扣部分，拧上丝扣。

• in the process of drilling deep well and hard formations, the drill string design is one of the factors restricting low rop and serious bha failure.

  在深井和硬地层鉆井中，地质构造复杂、地层倾角大、地层研磨性强，机械鉆速低、鉆具失效严重，鉆柱设计是其中的制约因素之一。

• drill string mechanics is very important to the trajectory control and fatigue life prediction of drill string.

  鉆柱力学对井眼轨道控制和鉆柱疲劳失效研究具有重要的意义。

• the drill string is rotated by rotary table.

  鉆柱是由转盘驱动的。

• although most of kicks occur when pulling the drill string from the hole, it is also possible for kicks to occur while tripping in.

  尽管大多数井涌都发生在起鉆的时候，但下鉆的时候也会发生井涌。

• the people pay attention on raising the span of the usage of the thread of drill collars and preventing the accident of drill string thread failure.

  预防鉆柱螺纹失效事故发生和提高螺纹连接使用寿命的技术长期以来倍受关注。

• according to the torque value, calculating that of drill string downhole , and checking the safety of the drill string.

  根据该扭矩值推算到井下鉆柱的扭矩值，并且校核了各点鉆柱的安全性。

• the drill string of erw is taken as research object, the dynamic problem is brought forward during making hole, and the mechanics model about each dynamic action is established.

  以大位移井鉆柱的部分或整体为研究对象，提出了鉆井各种动态问题，建立了鉆柱的各种动态行为的力学模型。