In the course of sidetracking of horizontal holes, lateral drill string vibration often occurs.

在水平井的侧钻过程中, 钻柱很容易发生横向振动,引发钻柱失效、井眼扩径等严重事故.

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The information and power transmission system is the key component of an intelligent drill - string.

在智能钻井系统中,电力与信息传输是其重要组成部分.

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This paper presents the and trend of drill string vibration analysis technique abroad and at home.

该文概括了钻具振动分析技术的国内外发展概况及其在我国的应用前景.

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Mechanics model for lengthwise vibration analysis of deep well drill string is established.

本文以整体钻柱为研究对象,建立了深井钻柱纵向振动分析的力学模型.

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

转动滑架为钻柱和钻头提供转动和垂直移动.

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Drilling continues to the desired depth in the bedrock using a conventional drill string.

在基岩中采用常规钻具钻进以达到所需深度.

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

提出了一种利用钻柱轴向振动调幅信号实现岩性识别的方法.

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The torque feedback system is a successful technology for eliminating stick - slip vibration of drill - string assembly.

扭矩负反馈减振是控制和消除钻柱周向粘滑振动较为有效的方法之一.

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Drill string vibration was analyzed based on vibration theory and finite element method.

根据振动理论和有限元方法,研究了钻柱振动的模态.

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