|
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. |