Drag Reduction Technology of Ultra-long Directional Drilling and Its Application
In view of the problems such as high resistance, low efficiency and limited drilling depth during the sliding directional drilling under the condition of deep hole, this paper studies and forms the drag reduction technology of sliding drilling, including hydraulic pressure drilling technology and po...
| Main Author: | |
|---|---|
| Format: | Article |
| Language: | zho |
| Published: |
Editorial Office of Safety in Coal Mines
2020-11-01
|
| Series: | Meikuang Anquan |
| Subjects: | |
| Online Access: | https://www.mkaqzz.com/cn/article/id/7032 |