Casing scrapers
Wellbore scraper SBK
Designed to remove mud cake from borehole walls composed of competent, non-thief formations. Used as part of the wellbore drift-gauging assembly.
Design features
- Better cement-to-formation bond
Sizes and technical characteristics
| Item | Thread GOST 28487-90 | Outer Ø over centralizer, mm | Ø over scraping elements, mm | Inner Ø, mm | Length, mm | Weight, kg |
|---|---|---|---|---|---|---|
| SBK 102.1 | Z-102 | 136 | 160 | 65 | 950 | 65 |
| SBK 133.5 | Z-133 | 210 | 236 | 88 | 1630 | 215.5 |
| SBK 147.1 | Z-147 | 270 | 345 | 88 | 1350 | 200.5 |
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