drill pipe cutter 钻杆割刀
Drill Pipe For Oil Field 石油钻探杆 ; 酒精钻探杆
drill pipe elevator 钻杆吊卡 ; 重钻杆
bent drill pipe [油气] 弯钻杆
aluminium drill pipe 铝钻杆 ; 铝合金钻杆
drill pipe clamp 钻杆夹持器
drill pipe protector 钻管保护器
drill pipe stabilizer 钻杆稳定器
There are three domestic companies produce oil drill pipe that caliber is above 5 ". The drill pipe which diameter is smaller than 5" are all relied on imports.
国内生产石油钻杆的三家公司只生产以上钻杆,以下小口径钻杆全部依赖进口。
参考来源 - 小口径钻杆生产线淬火及回火工序的开发设计The optimum design of the drill pipe and reasonable drilling parameter can be well developed based on the data and results in the article, accordingly the using-life of the drill pipe and bit will be also longer.
文中所计算和分析得到的结果,对于优化钻杆结构,采用合理的钻进参数,提高钻杆和钻头的使用寿命是十分有利的。
参考来源 - 勘查钻进钻杆的实验模型与仿真分析·2,447,543篇论文数据,部分数据来源于NoteExpress
以上来源于: WordNet
N (in the oil industry) a pipe made of lengths of steel tubing that is attached to the drilling tool and rotates during drilling to form a bore 钻柱
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