The eccentric bit
The eccentric bit is used for passing through bent and constricted portions of the well bore and for elaboration and expansion of these sites. The advantage of the drill bit is the high drilling efficiency, long service life, low torque, low vibration during drilling, etc.
Description
Specifications
| Size | 7-1/2" | 9-1/2" | 12-1/4" |
| The size of the path | 6-1/2" | 8-1/2" | 10-1/2" |
| Lead size | 4-7/8" | 6-1/2" | 8-1/2" |
| Core cutters | 5/8" (13mm) | 5/8" (13mm) | 5/8" (13mm) |
| The bearing length part | 1.5" (38.1 mm) | 2.0" (50.8 mm) | 2.5" (63.5 mm) |
| Number of nozzles | 6F+3F | 6MSP+4SP | 6SP+4SP |
| Thread API | 3-1/2REG | 4-1/2REG | 6-5/8REG |
Performance parameters
| Output volume | 10-25 L/S | 18-30 L/S | 18-30 L/S |
| The speed of rotation | 60-300 PRM | 60-120 PRM | 60-120 PRM |
| The load on the drill bit | 20-60 KN | 20-100 KN | 20-120 KN |
| The maximum load on the drilling bit | 80 KN | 130 KN | 150 KN |