Product Specifications | |
| diameter | 17 1/2"(444.5mm) IADC537G |
| Bearing type | Rubber sealed bearings |
| Cutting tooth type | Tungsten Carbide Inserts(Tungsten Carbide Inserts) |
| Drilling cycle type | Mud circulation |
| Connection thread type | 7 5/8 reg Male buckle |
| Cone diameter protection (diameter protection) | YES |
| Back protection | YES |
| Operation Parameters | |
| Drilling Speed(r/min) | 120-50 |
| Drilling Pressure(KN) | 200-444 |
| Applicable Stratum | Soft to medium formations with low compressive strength, such as medium-soft shale, medium-soft limestone, medium-soft sandstone and medium formations with harder abrasive interlayers |