Basical Specification |
|
Size of Rock Bit |
9 1/2 inches |
241.3 mm |
|
Bit Type |
Tungsten Carbide Insert (TCI) bit |
Thread Connection |
6 5/8 API REG PIN |
IADC Code |
IADC537G |
Bearing Type |
Journal Bearing |
Bearing Seal |
Elastomer Sealed Bearing |
Heel Protection |
Available |
Shirttail Protection |
Available |
Circulation Type |
Mud Circulation |
Operating Parameters |
|
WOB (Weight On Bit) |
24,492-54,051 lbs |
109-241KN |
|
RPM(r/min) |
120~50 |
Formation |
Medium formations with low compressive strength,such as medium shale,limestone,medium sandston,etc. |