Wholesale API oilfield well tricone drill bits tender in stock with discounted price from China factory
Roller drill Bits for Oil Drilling
1.The drill bit which used for oilwell is rubber sealed bearing structure or metal sealed bearing structure. With rollers arranged in grooves recessed in the cone boy,the size of the bearing jounal is increased.
2.Thrust bearing surfaces are hardfaced and treated with friction reducing technology.
3.Ball locked cone, suitable for high rotary speed.
| Basical Specification | |
| Size of Rock Bit | 14 3/4 inches |
| 374.6 mm | |
| Bit Type | Tungsten Carbide Insert (TCI) bit |
| Thread Connection | 7 5/8 API REG PIN |
| IADC Code | IADC637G |
| Bearing Type | Journal Bearing |
| Bearing Seal | Elastomer Sealed Bearing |
| Heel Protection | Available |
| Shirttail Protection | Available |
| Circulation Type | Mud Circulation |
| Drilling Condition | Rotary drilling,high temp drilling,deep drilling,motor drilling |
| Operating Parameters | |
| WOB (Weight On Bit) | 42,244-92,352 lbs |
| 188-411KN | |
| RPM(r/min) | 180~40 |
| Formation | Hard formations with high compressive strength,such as hard shale,limestone,sandstone,dolomite,hard gypsum,chert,granite,etc. |