drill stem
钻杆
常用释义
英式发音
美式发音
基本释义
- 钻杆：石油、天然气或地热钻探过程中使用的一种金属管，用于将钻头连接到钻机并传递钻机的旋转和压力。
例句
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1·Pick up drill stem test tool.提起钻柱测试工具。
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2·DST (drill Stem test), a fast test for show of oil and gas while drilling.即中途测试，是指油井在钻井过程中，对有。
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3·The longer the single drill pipe, the lesser the critical compressive force of drill stem.钻杆的单根长度越长，钻柱所能承受的临界载荷越小。
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4·Drill stem tests are taken from some Wells almost immediately after drilling and completion operations.有些井刚钻完并进行完井作业后，就立即采取钻杆测试。
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5·Therefore the nonlinear lateral free vibration of drill stem is investigated by the perturbation method.分析公式表明， 钻柱横向线性振动仅是钻柱横向非线性振动的一种特殊情况；
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6·The influence of the initial deflection on the nonlinear lateral free vibration of drill stem is discussed.讨论了初弯曲对钻柱横向非线性振动的影响。
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7·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，在充分考虑钻柱所处的特殊环境的基础上，考察了斜直井眼中钻柱屈曲的可能性。
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8·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钻进中，旋转钻柱会产生方位漂移。
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9·A new method for calculating drill stem strength can be applied to designing and checking strength of drill stem.提出了一种钻柱强度计算新方法，可用于钻柱的强度设计和强度校核。
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10·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钻柱的稳定性问题。