 AJ-type safety joint |
2016-06-18 |
| H, J-type safety joint |
2016-06-18 |
| hydraulic sidetracking deflector |
2016-06-18 |
| TBJ-Q168 |
2016-06-18 |
| Three scraper drill |
2016-06-18 |
| Tip drill |
2016-06-18 |
| Sidetracking hole-machining tool for drilling |
2016-06-18 |
| Washover Pipe |
2016-06-18 |
| pilot mill |
2016-06-18 |
| Flat base milling shoe |
2016-06-18 |
