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Brand Name : KonDaSin
Model Number : BQ, NQ, HQ and PQ
Place of Origin : China
MOQ : 1piece
Payment Terms : T/T, L/C, Western Union
Supply Ability : 10000 Meter/Meters per Month
Delivery Time : 8 working days
Packaging Details : Wood case
Certification : ISO9001
Advantage : collecting core sample
Name : Drill tool
Material : Stainless steel
Usage : Mining exploration, soil investigation
Type : Mineral tools
Mineral Construction Wireline Drilling Core Barrel Fast Speed High Efficiency 
 
Wire-line core drilling equipment is very commonly used for mineral exploration for deep holes because of practical usage:pulling, stacking and lowering drill rods each time the core barrel is full.
They do not need couple and uncouple the rod string each time the core is retrieved so wire line core barrels are used for deep holes. An overshot assembly is dropped on a cable and directly connect to the inner tube assembly, allowing fast retrieval of the core after each operation
 Wire line core barrels are higher penetration,higher core recovery ratio.Longer bit life and lower labor intensity,and the advantages get more clear with the increasing of hole depth.
 The head assembly has latching and pivoting spear point mechanisms which 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.
 Now we proviede four types of overshot assembly: BQ, NQ, HQ and PQ,this is the retrieval device lowered on the wireline to recover the inner tube assembly containing core.
  
 Wireline double core barrel consists of:
 1. Head Assembly
 2. Inner Tube: 1.5m or 3.0m 
 3. Stop Ring
 4. Core Lifter
 5. Core Lifter Case
 6. Locking Coupling
 7. Adapter Coupling
 8. Landing Ring
 9. Outer Tube: 1.5m or 3.0m
 10. Inner Tube Stabilizer
 11. Thread Protector
 
| 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 | 

 It has some advantages such as high penetration rate, high core recovery ratio, long bit life and lower labor intensity.The advantages can get more clear with the increasing of drill hole depth.
 
 Wire-line core drilling equipment is very commonly used for mineral exploration for deep holes.
  
   
  
  
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