Good Core Recovery Wireline Core Barrel Good Stability High Salvage Efficiency
Our company supply this series core barrel assembly .They can be divided into BQ, NQ, NQ3, HQ, HQ3, PQ and PQ3 types. And this series core barrel has advantages of good drilling property, high salvage efficiency and low consumption.
Wire-line core drilling equipment is very commonly used for mineral exploration for deep holes because of practical usage.
A complete set of wire line drill tools include:Core barrel assembly, overshot assembly, drill rods, holding dog, hoisting plug, circle wrench etc.It has some advantages such as high penetration rate,high penetration rate, high core recovery ratio, long bit life and lower labour intensity.
This major advantages is when drilling deep holes for mineral exploration.
Q Series Wireline Double Tube Core Barrels | |||
Size | Hole(mm) | Core(mm) | Head Thread |
BQ | 59.3 | 36.2 | BQ rod box |
NQ | 75.2 | 47.6 | NQ rod box |
HQ | 95.6 | 63.5 | HQ rod box |
PQ | 122 | 85 | PQ rod box |
Q Series Wireline Triple Tube Core Barrels | |||
Size | Hole(mm) | Core(mm) | Head Thread |
NQ3 | 75.2 | 45 | NQ rod box |
HQ3 | 95.6 | 61 | HQ rod box |
PQ3 | 122 | 83 | PQ rod box |
1. Faster coring at greater depths
2. Good stability due to constant diameter of the drill string
3. excellent hydraulics
4. Good core recovery
Available size:
International Standard:BQ NQ HQ PQ
Chinese Standard: Wireline 56, wireline 59, wireline 75, wireline 95