The eccentric bit

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