| Ort der Herkunft |
Jiangsu China (Mainland) |
| Marke |
chenlong |
| Geben |
Drill Kragen |
| Maschine Typ |
Bohren Werkzeug |
| Zulassung |
API |
| Material |
Manganhartstahl |
| Verwenden |
Brunnenbohrungen |
The wall thickness of heavy weight drill pipe is between drill pipe and drill collar, its structure is similar with drill pipe. Its both tool joints and middle uoset are welded hard banding. Technical parameters meet with API Spec7-1 Standard.