| Specifications |
Size 14 3/4"(230mm) IADC537 Bearing Type Sealed Bearing Lubrication System Yes Oil Compensation System Yes Alloy Tooth Shape Wedge-shaped Tooth |
| Operating Parameters | |
| Applicable Stratum | Soft to medium formations with low compressive strength, such as medium-soft shale, medium-soft limestone, medium-soft sandstone and medium formations with harder abrasive interlayers. |