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Negotiable
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Beijing
Long-term effective
2017-10-22 00:57
113
unit price:Negotiable
unit price:Negotiable
unit price:Negotiable
unit price:Negotiable
unit price:Negotiable
unit price:Negotiable
Size (in) | Size (mm) | IADC | WOB (kN/mm) | RPM (r/min) | Applicable Formations |
11 5/8 | 295.3 | 215 | 0.35-0.95 | 150-60 | Medium formations with high compressive strength, such as medium soft shale, anhydrite,medium soft limestone, medium soft sandstone, soft formation with harder interbed |