|
Basical Specification |
|
|
Size of Rock Bit |
9 inches |
|
228.6 mm |
|
|
Bit Type |
Steel Teeth Tricone Bit / Milled Teeth Tricone Bit |
|
Thread Connection |
4 1/2 API REG PIN |
|
IADC Code |
IADC347G |
|
Bearing Type |
Journal Bearing |
|
Bearing Seal |
Elastomer sealed or Rubber sealed |
|
Heel Protection |
Available |
|
Shirttail Protection |
Available |
|
Circulation Type |
Mud Circulation |
|
Drilling Condition |
Rotary drilling,high temp drilling,deep drilling,motor drilling |
|
Total Teeth Count |
134 |
|
Gage Row Teeth Count |
50 |
|
Number of Gage Rows |
3 |
|
Number of Inner Rows |
7 |
|
Jounal Angle |
33° |
|
Offset |
6 |
|
Operating Parameters |
|
|
WOB (Weight On Bit) |
35,952-66,736 lbs |
|
160-297KN |
|
|
RPM(r/min) |
300~60 |
|
Recommended upper torque |
16.KN.M-21.7KN.M |
|
Formation |
Semi-abrasive and abrasive hard formation. |