单词drill string
un.: 钻杆柱
网络: 钻柱；钻管组；钻具
钻杆柱
Provided the basis and direction for the drill string failure of the general state of the treatment.
给钻柱的一般状态下的故障的处理提供了依据和方向。
According to the torque value, calculating that of drill string downhole , and checking the safety of the drill string.
根据该扭矩值推算到井下钻柱的扭矩值，并且校核了各点钻柱的安全性。
The bit is on the bottom of the drill string and must be changed when it becomes excessively dull or stops making progress.
钻头位于钻柱的底部，当其变得极端钝或没有进尺的情况下必须进行更换。
The crew attaches new lengths of pipe one by one from the top until the "drill string" is long enough to hit the seafloor.
船员们从这根钢管的顶部，一根一根地装上更多管道，直到这根“钻柱”足够长，能碰到海底。
However, the drill-string failure in the early stage of drilling is an important factor of limiting the air drilling technology development.
然而空气钻井钻具过早断裂失效问题是制约空气钻井技术得以快速发展的一个重要因素。
The method in the paper is of guiding significance for the theory study of drill technique and perverting drill string from failure.
对钻井技术的理论研究和预防钻柱失效具有指导意义。
And increasing weight on bit can prevent irregular swaying and regular whirling from appearance at the bottom drill string.
增加钻压会阻碍底部钻柱无规则摆动和规则涡动的形成。
A condition whereby the drill string cannot be moved (rotated or reciprocated) along the axis of the wellbore.
钻柱不能沿井眼轴线方向移动（旋转运动或者往复运动）时的情况称为卡钻。
Since both bit and drill string are in physical contact with the formation, it is possible to make the measurement in oil-base muds.
测量过程中钻头和钻柱要与地层接触，因此一般在油基泥浆井中测量。
The purpose of reciprocating the drill string is usually to clean cuttings and other debris from the wellbore.
钻柱进行往复运动的原因通常是清洗井底的岩屑和其它的碎屑。