| 1. | Run a centralizer every two joints of casing
每隔一根套管下一个扶正器。 |
| 2. | Centralizer placement and stop collar testing
扶正器放置和限动环检验 |
| 3. | Where to connect the centralizer
扶正器下在什么地方？ |
| 4. | Bow spring centralizer
弓形弹簧扶正器 |
| 5. | Bow string centralizer
弓形管柱扶正器 |
| 6. | Sucker rod centralizer
抽油杆扶正器 |
| 7. | Blade type centralizer
叶片型扶正器 |
| 8. | Bow type centralizer
弓形扶正器 |
| 9. | Petroleum and natural gas industries - equipment for well cementing - centralizer placement and stop - collar testing
石油和天然气工业.良好胶结设备.扶正器的放置和限动环的检测 |
| 10. | Petroleum and natural gas industries - equipment for well cementing - part 2 : centralizer placement and stop - collar testing
石油和天然气工业.固井用设备.第2部分:扶正器的放置和限动环的检测 |
