钻杆

钻杆 [zuàn gǎn]

1. ■ bull rod; bar; rod; drill stem; drill pipe; jackrod （手持式风钻）; bore rod; boring bar; drilling rod; drilling pipe; drill rod

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常用词组

1. ■ 钻杆串 rod string;

2. ■ 钻杆地层测试 drill-stem test;

3. ■ 钻杆定向器 steady arm;

4. ■ 钻杆定心器 drilling rod centralizer;

5. ■ 钻杆扶正器 stile;

6. ■ 钻杆护套 stabilizer;

7. ■ 钻杆扭曲 windup;

8. ■ 钻杆起卸法 breakout;

9. ■ 钻杆敲孔壁 slapping;

10. ■ 钻杆钻头 rod bit