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Technical Specifications
11 5/8 RS45
Diameter:
295.3mm (11 5/8")
IADC Code:
625X
Design number:
UT57
State standard designation:
ТЗ-ГВУ
Specification
Gradient angle of axle journal
36°
Number of blades
0
Axle journal offset relative to drill bit axis
3.18 mm
Type of diamond inserts
Bearing type
Roller bearing
Total number of PDC inserts (cutting/gauge)
0 (0/0)
Sealing
Elastomer
Total number of PDC inserts for back reaming
0
Total number of inserts (inner/heel row)
0 (0/0)
Total number of inserts (inner/heel row)
152 (107/45)
Total number of antivibration inserts
0
Total number of insert rows (inner/heel row)
10 (0/10)
Total number of insert rows (inner/heel row)
3 (3/0)
Number of changeable nozzles
3
Number of changeable nozzles
3
Connecting thread
З-152 (6 5/8 REG)
Connecting thread
З-152 (6 5/8 REG)
Drill bit height, mm
0.0
Drill bit net weight, kg
84.00
Drill bit gross weight, kg
86.80
Recommended Drilling Conditions
Rotation speed
300-40 rpm
Thrust load
6.00-21.00 t (13200 - 46200 lbs)
Drilling fluid consumption
0.00-0.00 l/s
Recommended make-up torque
0.00-0.00 kNm
The lower level of rotation speed value corresponds the upper level of thrust load value and vice versa.
Purpose
The drill bit is designed for drilling hard abrasive formations
Design Features
Lateral flushing. 3 hydromonitor nozzles
Leg shirttail is protected with tungsten carbides
Carbide inserts on the reverse cone of the cones
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