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。
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。
The standard pipe rack configuration for this drill consists of a long pipe cradle that is fastened to a pair of parallelogram- type swing arms.
本钻机的标准管架配置由一个长管道托架组成，该托架被固定在两个平行四边形的旋臂上。
Hade 4-11 well is a typical drill pipe sticking well of slim-hole and super long interval caused by damaged case to leak in Hade operation district of Tarim oilfield.
哈得4 - 11水平井属于塔里木油田哈得作业区典型的因上部套管破损漏失造成的小井眼超长井段沉砂卡钻井。
As the core technology of smart drilling, intelligent drill pipe has long been a technical problem which can not be solved by domestic research staff.
智能钻杆作为智能钻井的核心技术，一直是国内研究人员久攻不下的技术难题。
Serious necking quality problems often appear when the CFG piles construction technology of long spiral drill pipe by pump pressure apply in some disturbed sensitive soil areas of Taiyuan.
长螺旋钻管内泵压CFG桩施工技术在太原部分地区扰动敏感性土中应用时，常出现严重缩径质量问题。
Serious necking quality problems often appear when the CFG piles construction technology of long spiral drill pipe by pump pressure apply in some disturbed sensitive soil areas of Taiyuan.
长螺旋钻管内泵压CFG桩施工技术在太原部分地区扰动敏感性土中应用时，常出现严重缩径质量问题。
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