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Aq, Bq, Nq, Hq, Pqstabilizer Rings for Wireline Core Barrels Hard Rock Core Drilling
Wireline core drilling is a kind of don't need to lift the drill
rod, direct gain rock cores drilling tool. It includes: core
barrels assembly, overshot, drill rods, wireline winch, hoist plug,
foot clamp, circular wrenches and other accessories. It has high
drilling efficiency, high bit coring rate, long working life, low
labor intensity. With the more deep drilling depth, its advantage
is more obvious.
The head assembly provides: latching and pivoting spearpoint
mechanisms to allow insertion and retrieval of the inner tube
assembly, a bearing assembly to allow the inner tube to remain
stationary and avoid sample damage while drilling, fluid pressure
operating indications and fluid control valves.
All head assemblies incorporate a shut off valve assembly which
provides a fluid pressure signal to the drill operator when the
valve members are compressed, indicating a full or blocked inner
tube.
Our head assembly features long life span, good compatibility with
parts like inner tube and outer tube from other vendors, and
availability in all spare parts.
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 |