1. 钻杆：组分 component | 钻杆 drill stem | 钻井管材 drilling pipe
2. 钻柱：drill stem bushing 方钻杆补心 | drill stem 钻柱 | drill string assembly 钻柱组合
3. 钻杆,钻串：钻井剖面,钻井纪录 drill record | 钻杆,钻串 drill stem | 钻孔纪录,钻井纪录 driller's log
1. During the drill stem test, the well flowed at an average rate of 560 barrels of oil per day.