well bore

A mechanical model for well bore stability is established based upon mechanical analysis.

从力学分析入手,建立了井壁稳定问题的力学模型.

Calculating results show that fluctuation pressure decrease with eccentricity between drill stem and well bore increase.

计算结果表明:随钻柱与井眼间偏心度增大,波动压力减小.全偏心情况下的波动压力大约只有同心情况下的一半.

The temperature of reservoir decreases approximately in exponential with the distance center of well bore.

油藏温度是井筒径向距离的函数,温度沿径向距离近似地按指数规律衰减.

He bore up well against all these misfortunes.

面对这一切不幸事件,他表现得很坚强.

By comparing with normal well bore, the economic efficiency of slim hole drilling was evaluated.

通过与常规井眼对比, 评价了小眼井钻井技术经济效益.

He is always intruding his opinions upon others, and well deserves his reputation as a bore.

他总是把看书的意见强加于人, 无怪乎他有个令人讨厌的名声.

It is necessary to scientifically plan and survey well bore trajectories in directional drilling.

井眼轨道的设计与监测技术一直是定向钻井中的研究热点.

As the working stroke of the telescopic sleeve cylinder is longer than that of the conventional, there is a clearance between the piston and cylinder bore as well as between the rod and guide sleeve which will cause cylinder break under heavy loading.

伸缩套筒式油缸的工作行程大，活塞与缸体内径间、活塞杆与导向套间都存有间隙，承受重载时容易引起屈曲破坏，为此应确定整体稳定的极限力。

She bore up well during her convalescence.

她在病后恢复期间始终有信心.

The characteristic of the swabbing induces the complexity of the well-bore pressure change during procedure.

开采非自喷井采用抽汲生产将导致井底压力变化十分复杂.

Certain types of steel don't bore well.

有些品种的钢材不容易打眼.