| 1. | Please measure drilling collar first , then drilling pipe 先量钻铤,再量钻杆。 |
| 2. | Connect the feeling plate to the drill collars 用钻铤连接探深板。 |
| 3. | We need a short drill collar 需要一根短钻铤 |
| 4. | Spiral drill collars made in our plant are in accordance with api standard 本厂制造的螺旋钻铤按照“ api ”标准生产和验收。 |
| 5. | Rules for the inspection of drill collars and square and hexagon kellys for import and export 进出口石油钻铤方钻杆检验规程 |
| 6. | The drill collar is necessary of important drill tool for oil exploration . is main part that make up drill - stem 钻铤是石油钻采必须的重要钻具,是构成钻柱的重要部分。 |
| 7. | Located in the indrstrial park of jiangyou city , a famous historical and cultural city in sichan province , jiangyou chen zheng machinery manufacturing factory specializes in the production of oil drilling tools , mainly oil drill collars currently 江油市诚正机械加工厂位于四川省文化、旅游名城? ?江油市工业开发区内,是一家生产石油钻具的专业企业,目前以生产石油钻铤为主。 |
| 8. | Rough and fine cutting , drilling and boring can be conducted for petroleum drill devices such as drill collar , integral heavy wall drill pipe , centralizer as well as other large - sized and super long axis parts with diameter less than 1600mm and length less than 18000mm 在此可以对钻铤、加重钻杆、扶正器等石油钻具和其他直径小于1600毫米、长度小于18000毫米的大型、超长轴类零件进行粗、精车削和钻、镗加工。 |