| Place of Origin |
Jiangsu China (Mainland) |
| Brand Name |
chenlong |
| Type |
Drill Collar |
| Machine Type |
Drilling Tool |
| Certification |
API |
| Material |
High Manganese Steel |
| Use |
Well Drilling |
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.