Terms containing drilling string

Subject	English	Chinese
tech.	backturn device for drilling string	反管器【岩】
dril.	drilling string	钻柱
life.sc.	drilling string	钻具组
tech.	drilling string	钻杆柱
oil	drilling string not well braked	溜钻
oil	drilling string stabilizer	钻柱稳定器
tech.	dual concentric drilling string	双层同心钻杆柱
dril.	maximum drilling string load	最大钻柱负荷
tech.	retrievable bit drilling without drill string lifting	不提钻换钻头钻进
dril.	string up drilling line	穿装大绳