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Multi-function casing scraper is a new type casing scraper, it can work as non-rotating fixed type casing scraper, and also can work as a rotating type casing scraper. Besides normal cleaning operation, it should stop running in the drill string when stuck, then should connect the washover tools, and applying some pull force to shear the pin, then shift to rotating mode, then proceed releasing stuck operation, like providing a torque,pushing, circulation and jarring until recover the normal situation, then continue to run in drill string.
Model | Tool OD | Tool ID | Casing Size | Casing Weight | Shear Force | OAL | Connection |
mm (inch) | mm (inch) | inch | lbf/ft | KN | mm (ft) | ||
DGX121 | 121 (4-3/4) | 38.1 (1-1/2) | 7 | 17 〜32 | 334 | 3169(10.4) | NC38 B xp |
DGX165 | 165.1 (6-1/2) | 70 (2-3/4) | 9-5/8 | 32.3 - 53.5 | 334 | 3169(10.4) | NC50B xp |
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