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Negotiable
The date of payment from buyers deliver within days
Beijing
Long-term effective
2017-12-19 17:17
215
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 |
8 1/2 | 215.9 | 527 | 0.35-1.0 | 140-60 | Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft shale, soft limestone and more |