The key technology of lubrication for screw motor in air directional drilling
When the air directional drilling technology is used for drilling construction, whether the screw motor can be well lubricated is a key factor affecting its life. This paper introduces two kinds of key equipment supporting the hole-outside lubrication technology, and details their working principle...
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| Main Author: | |
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| Format: | Artigo |
| Language: | Chinês |
| Published: |
Editorial Office of Safety in Coal Mines
2023-01-01
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| Series: | Meikuang Anquan |
| Subjects: | |
| Online Access: | https://www.mkaqzz.com/cn/article/id/8270 |
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