| Product Specifications |
Drill Diameter 5 1/2"(139.7mm) IADC537 Bearing Type Complex Sealed Bearing Tooth Type TCI Circulation Type Mud Circulation Thread Type 2 7/8 Male thread Alloy Gage Yes Claw Back Alloy Yes |
| Operation parameters | |
Drilling Speed(r/min) | 220~50 |
Drilling Pressure(KN) | 63~139.7 |
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. |