Underreamer with Tungsten Carbide Blades
Hydraulic underreamer with tungsten carbide blades (high molybdenum content) for enlarging wellbores in hard rock formations. HTS 8207.19.30.60 for rotary rock reamers with alloy specifications. Used in well completion operations.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If permanently assembled with drill string
Underreamers integrated into complete downhole assemblies become parts of drilling rigs.
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Import Tips & Compliance
• Emphasize rock formation compatibility over soil to maintain rock tool status
• Blade alloy composition documentation required
• Distinguish from expandable casing tools
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