英语释义

1. the string of drill pipe that transmits power from the surface down to the drill bit in well drilling

片语

drill stem bushing方鉆桿补心

drill-stem test鉆桿地层测试

drill-stem tester鉆桿测试器

drill stem test method中途测试工具法

drill-stem testing鉆桿地层测试

Drill-stem subs鉆柱转换接头

drill rod[机] 鉆桿；带孔棒；钎子

drill-stem m tester鉆桿测试器

drill l stem鉆桿

drill string鉆柱

英汉例句

• it is very important for improving drilling rate, reducing drilling cost and safety drilling to carry out drill stem failure analysis and prevention.

  开展油田鉆柱失效分析与预防对提高鉆井速度、降低鉆井成本及井下安全鉆进具有重要意义。

• calculation results show that greater friction force exist between drill stem and wall of bore in tripping out and drilling using pdm (positive displacement motor) working conditions.

  计算结果表明，起鉆和井底动力鉆具鉆进两种工况，鉆柱与井壁间有较大的摩擦力。

• the research indicated that the critical compressive force of drill stem in horizontal well is closely related with the length of single drill pipe in use.

  研究表明，水平井眼中鉆柱所能承受的临界载荷和所使用鉆桿的单根长度有密切关系。

• drill string is an important tool in drilling process. because it contact between drill stem and casing-pipe wall, several fault happen on the drill string in the course of drilling.

  在石油鉆井过程中，鉆柱承载着大量的工作，因而井下鉆柱部分常常出现许多故障和问题，且这些问题大多都是由于鉆柱的弯曲变形与套管壁产生磨损及振动造成的。

• this paper describes how the rotary drilling stem lost its stability in detail, and presents the main factors influencing drill stem stability in rotary condition.

  系统地进行了斜直井中旋转状态下鉆柱稳定性的试验研究，描述了旋转鉆柱失稳的过程，分析了旋转状态下影响鉆柱稳定性的主要因素。

• the frequent drill stem failures were very important reasons for this phenomenon inthe oilfield after investigating.

  本文通过反复的理论和实验研究，对深井鉆具失效因素进行分析，找出了鉆具失效的原因；

• the rotary drill stem will engender direction drift in rotary drilling of directional well and cluster well.

  在定向井及丛式井的转盘鉆进中，旋转鉆柱会产生方位漂移。

• this paper discusses the prediction of the drill stem torque and bit forward direction in an offshore horizontal well by nonlinear fem.

  探讨了非线性有限元在预测水平井鉆进中的鉆柱扭矩及鉆头前进方向的应用。

• the influence of the initial deflection on the nonlinear lateral free vibration of drill stem is discussed.

  讨论了初弯曲对鉆柱横向非线性振动的影响。

• therefore the nonlinear lateral free vibration of drill stem is investigated by the perturbation method.

  分析公式表明，鉆柱横向线性振动仅是鉆柱横向非线性振动的一种特殊情况；

• considering the complex influence factors for the failure of drill stem, an analytic model for failure of drill stem based on support vector machine and cluster analysis theory was established.

  针对鉆具失效影响因素比较复杂的问题，建立了基于支持向量机和聚类分析理论的鉆具失效原因分析模型。

• the utility model relates to a combined flaw detection transporting device for a drill stem or a pipe joint, particularly a curved combined flaw detection transporting device.

  本实用新型涉及鉆桿或导管接头的探伤检验组合输送装置，尤其涉及曲线式探伤检验组合输送装置。

• this method can be used for reference in drill stem design and surface equipment selection.

  该结论可用于指导鉆柱设计和地面设备选择等。

• by means of analysis of reasons of well deviation and optimization of design of drill stem and drilling parameters, penetration rate was raised up and well construction period was shortened.

  通过井斜原因的分析和优化鉆具组合与鉆井参数，在保证井斜控制的前提下提高了鉆井速度，缩短了建井周期。

• the effect of initial deflection on the first frequency increased with either the length of drill stem or the axial compressive force on the drill stem increases.

  鉆柱横向非线性振动的基频随着初弯曲最大挠度的增大而减小，初弯曲对鉆柱横向非线性振动基频的影响随鉆柱长度的增大而增大，随轴向压力的影响而增加。

• drill stem test plays an important role in drilling operation. it is easy to fail or to cause complicated down hole situations if conducted improperly.

  中途测试在鉆井施工中具有重要的作用，如果测试措施不到位，容易导致测试失败或发生鉆井复杂情况。

• the numbers of half wave are related with the length of drill stem, the nature of geometry and material of drill stem and the rock coefficient.

  而半波数则与鉆柱长度、几何参数，材料性质及地层弹性系数有关。

• on the basis of energy method, the possibility of drill stem buckling in inclined straight hole is studied.

  本文应用虚位移原理，在充分考虑鉆柱所处的特殊环境的基础上，考察了斜直井眼中鉆柱屈曲的可能性。

• a new method for calculating drill stem strength can be applied to designing and checking strength of drill stem.

  提出了一种鉆柱强度计算新方法，可用于鉆柱的强度设计和强度校核。

• in this paper, the problem about stability of the drill stem in the borehole with iso-curvature is studied by use of energy method.

  文中利用能量法，研究了等曲率井眼中鉆柱的稳定性问题。

• each overshot only fishes one oil-pipe, drill stem and casing with specific size, and other pipe-column or stem-column with any size. ii. characteristics 1.

  每一个捞筒只打捞一个特定尺寸的油管、鉆桿、套管及其他任意尺寸的管柱或桿柱。

• pick up drill stem test tool.

  提起鉆柱测试工具。

• the research indicated that critical load of horizontal drill stem is related with the numbers of half wave when horizontal drill stem buckle.

  研究表明，水平鉆柱所能承受的临界载荷与屈曲时的半波数有关。