Application of Slip Socket in Drilling Accident Treatment of Underground Coal Mine
For dealing with the drilling accident, the male and female taps are used in the conventional fishing technique, but it is difficult to make the thread and the taps have low connection strength. From the aspects of improving the connection strength between fishing tools and drilling pipes, the slip...
Збережено в:
| Автор: | |
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| Формат: | Artigo |
| Мова: | Chinês |
| Опубліковано: |
Editorial Office of Safety in Coal Mines
2020-02-01
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| Серія: | Meikuang Anquan |
| Предмети: | |
| Онлайн доступ: | https://www.mkaqzz.com/cn/article/id/6660 |
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