Product Specification | |
Type specification(inch): | 7 1/2 |
Type specification(mm): | 190.5mm |
IADC: | 127 |
Additional features: | GC |
Formation: | Soft Formation of Low Crushing Resistance and High Drillability |
Drilling condition: | rotary drilling、high temp.drilling、deep drilling、motor drilling |
Bearing Type: | journal bearing |
Total teeth count: | 63 |
Gage row teeth count: | 35 |
Number of gage rows: | 3 |
Number of inner rows: | 4 |
Journal angle: | 33° |
Offset: | 6.5 |
API connection(REG pin): | 4 1/2 |
Weight on bit(KN): | 67-190 |
Rotary speed(Rpm): | 300-60 |
Recommened upper torqueKN.M: | 16.3-21.7 |