Drill string resonance is the major cause of drill tool failure.
钻柱共振是引起深井钻具失效的主要原因。
The failure of collar connection thread is one of the prime drill tool failures.
石油钻铤螺纹联接失效是钻具失效的主要类型。
This paper analyses the influence of excentric shaft connection on force case of drill tool, and discusses the causes of drill tool failure.
文中分析了使用偏轴接头对钻具各部分受力情况的影响及导致钻具失效的原因。
By the action of high roatry speed, excentric shaft connection intensifies the fatigue failure of drill tool.
为了达到较好的防斜目的，必须增大钻进时钻头的转速，在高转速的作用下，偏轴接头加剧了钻具先期疲劳失效。
The fatigue failure of drilling collar thread linking is a main factor of the drill collar failure, which accounts for a large proportion of the accidents in the drilling tool failure.
钻铤螺纹联结失效是钻铤失效的主要因素，在整个钻具失效事故中占很大比例。
The fatigue failure of drilling collar thread linking is a main factor of the drill collar failure, which accounts for a large proportion of the accidents in the drilling tool failure.
钻铤螺纹联结失效是钻铤失效的主要因素，在整个钻具失效事故中占很大比例。
应用推荐