1. Steel tooth bit for soft formation
2. Size: 3 3/4"~26"
3. Bearing type:journal bearing
4. Sealed type:metal sealing
5. API pin: 2 3/8"~7 5/8"
6. Weight: 5.0kg~810.0kg
7. Maximum drilling depth:2100m
Technical Parameters:
Size | 9 7/8"(250.8mm) |
IADC | 517 |
Bearing Type | metal sealed journal bearing |
Thread Connection | 6 5/8 reg pin |
WOB(KN/mm) | 0.35~1.05 |
RPM(r/min) | 240~50 |
Applicable Formations | soft formations with low compressive strength and high drillability,such as mudstone,gypsum,clay,soft limestone, etc. |
Circulation system | Mud pump |