Download PDF | Short Bit to Bend
- Sealed and oil filled bearing assembly
- 0 - 2 degree adjustable housing
- Developed to achieve higher build rates at rotatable bend settings
- Capable of transmitting extremely high torque
- Suitable for use with ERT, Hard Rubber, and other high torque power sections
- Utilizes Maxi-torque driveline
- Patents Pending
HB21 Motor Specifications
|
Specification
|
Imperial
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Metric
|
|
Nominal Motor Size
|
6.50 inches
|
165 mm
|
|
Bit Box to Bend
|
29.5 inches
|
749 mm
|
|
Hole Size
|
7 7/8 – 9 7/8 inches
|
200 – 250 mm
|
|
Standard Bit Box Thread
|
4 1/2 Reg
|
4 1/2 Reg
|
|
Maximum WOB
|
68,500 lbs
|
30 450 daN
|
|
Max. Pull while back Reaming
|
55,200 lbs
|
24 500 daN
|
|
Absolute Overpull
|
597,000 lbs
|
265 400 daN
|
|
Average Tool Weight
|
2100 lbs
|
970 kg
|
|
Average Length
|
28.08 feet
|
8.56 m
|
|
Torque for Adjustable Housing
|
30,000 ft∙lbs
|
40 700 N∙m
|
|
Stabilizer Torque
|
12,000 ft∙lbs
|
16 300 N∙m
|