1. Medium parabolic profile and medium cutter density design is suitable for soft to medium hard formations;
2. Arc blade design enhances drilling stabilization and the cutting capability.
3. Deep blade design makes junk slot much more roomy with more beneficial to remove cut and improve ROP.
|
Size(inch) |
WOB(KN) |
RPM(r/min) |
Mud flow rates(l/s) |
|
4 1/2 |
1030 |
60200 |
815 |
|
4 3/4 |
1040 |
60200 |
815 |
|
6 |
1040 |
60200 |
815 |
|
8 1/2 |
1366 |
60240 |
2538 |
|
9 7/8 |
1390 |
60240 |
3044 |
|
11 7/8 |
1398 |
60240 |
3860 |
|
12 |
1398 |
60240 |
3860 |
|
12 1/4 |
1398 |
60240 |
3860 |