| Place of Origin | China |
| Brand Name | Senwell |
| Type | Other, Stop collars&scratchers |
| Machine Type | Other, Cementing tool |
| Certification | API |
| Material | Other |
| Use | Well Drilling |
Features:
The scratcher can be used to wipe the mud cake inside the upper casing and open hole and improve cementing.
Technical specifications and parameters for Scratchers | ||
Casing size | 7” | 5 1/2” |
Open Hole Size (mm) | 215.9~222.2 | 184~215.9 |
Max O.D (mm) | 279 | 254 |
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