Сохранить в закладки 1601082376646:
Formation | IADC | Lithology | Bits Selection |
Very Soft | M121/S121 M122/S122 | Clay,Sandstone,Siltstone | M/S316*F、M/S416*F、/S419*F M/S516*F、M/S519*F |
Soft | M221/S221 M222/S222 | Sandstone,Shale,Marlstone | M/S416*F、M/S519*F、M/S516*F |
Medium | M322/S322 M323/S323 | Limestone,Sandstone,Conglomerate | M/S516*F、M/S519*F、M/S619*F |
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