Geological equipment
Core bits, rods and core boxes for HQ, NQ, PQ and BQ wireline coring.
In core drilling every tool must belong to one size system. Q-series (wireline) sizes set the hole and core diameter:
| Size | Hole diameter | Core diameter |
|---|---|---|
| BQ | 60.0 mm | 36.5 mm |
| NQ | 75.7 mm | 47.6 mm |
| HQ | 96.0 mm | 63.5 mm |
| PQ | 122.6 mm | 85.0 mm |
Bits, rods and core boxes for each size are in the sections below.
- HQHQ toolingCore bits, drill rods and core boxes for HQ wireline coring. Hole 96.0 mm, core 63.5 mm.Details
- NQNQ toolingCore bits, drill rods and core boxes for NQ wireline coring. Hole 75.7 mm, core 47.6 mm.Details
- PQPQ toolingCore bits, drill rods and core boxes for PQ wireline coring. Hole 122.6 mm, core 85.0 mm.Details
- BQBQ toolingCore bits, drill rods and core boxes for BQ wireline coring. Hole 60.0 mm, core 36.5 mm.Details