 |
| |||
| casing catcher; casing dog; casing puller; casing spear; tubing hanger | |||
| bulldog (clamp); bulldog spear; tubing catcher | |||
|
Rohrkrebs : 2 短语, 2 学科 |
| 技术 | 1 |
| 钻孔 | 1 |
|
| |||
| casing catcher; casing dog; casing puller; casing spear; tubing hanger | |||
| bulldog (clamp); bulldog spear; tubing catcher | |||
|
Rohrkrebs : 2 短语, 2 学科 |
| 技术 | 1 |
| 钻孔 | 1 |