Core Barrel
High Manganese Steel
Coal Mining, Well Drilling, Core Drilling
Richdrill
Standard Export Packing
Aq Bq Nq Hq Pq
China
84314320
Product Description
Wireline drilling tools can lift cores from drill rods without picking up the bit. All the tools include core barrel, overshot assembly, drill rods, winch, hoisting plug and circle wrench etc. The advantages are high penetration, high core recovery ratio, longer bit life and lower labor intensity; and all advantages are more and more obvious with the increasing of the drilling hole depth.
wire-line core barrels was consisted of outer tube assembly, inner tube assembly and overshot assembly.
Main size : BQ,NQ,HQ,PQ
Advantages:
1.Faster coring at greater depths
2.Good stability due to constant diameter of the drill string
3.excellent hydraulics
4.Good core recovery
Advantages:
1.Faster coring at greater depths
2.Good stability due to constant diameter of the drill string
3.excellent hydraulics
4.Good core recovery
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 |
