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The Bladed Hole Opener is used for well bore enlargement where roller cones are not necessary or applicable.
| Size Range | Pilot Hole Size | Standard Top Connection (Pin) |
Standard Bottom Connection (Box) |
Standard Bull Nose Length |
|---|---|---|---|---|
| 3-1/2 - 4-1/4 | 3 | 2-3/8 Reg | 2-3/8 / Bull Nose | 24.00 - 42.00 |
| 4-3/8 - 4-3/4 | 3-3/4 | 2-7/8 Reg | 2-7/8 Reg / Bull Nose | 24.00 - 42.00 |
| 5-7/8 - 6-7/8 | 3-7/8 | 3-1/2 Reg | 3-1/2 Reg / Bull Nose | 36.00 - 42.00 |
| 7-1/2 - 8-3/4 | 4-3/4 | 4-1/2 Reg | 4-1/2 Reg / Bull Nose | 36.00 - 48.00 |
| 9-5/8 - 10-5/8 | 6-3/4 | 6-5/8 Reg | 6-5/8 Reg / Bull Nose | 42.00 - 60.00 |
| 12-1/4 - 13-1/2 | 8-1/8 | 6-5/8 Reg | 6-5/8 Reg / Bull Nose | 42.00 - 60.00 |
| 14-1/2 - 14-3/4 | 8-1/8 | 6-5/8 Reg | 6-5/8 Reg / Bull Nose | 42.00 - 60.00 |
| 17-1/4 - 17-3/4 | 9-7/8 | 6-5/8 / 7-5/8 Reg | 6-5/8 / 7-5/8 Reg / Bull Nose | 42.00 - 60.00 |
| 18-1/2 - 26 | 11-1/2 | 7-5/8 Reg | 7-5/8 Reg / Bull Nose | 42.00 - 60.00 |
