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Help CenterDouble Tube Diamond Core Barrel Assembly , NQ Core Barrel Drilling
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Certification:ISO API
Double Tube Diamond Core Barrel Assembly , NQ Core Barrel Drilling
Description:
Wire line core barrel assembly for core drilling tools can lift core from drill rods without picking up coring system.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.The advantages can get more clear with the increasing of drill hole depth.
Our company supply The Q 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.
It consists of outer tube assembly and inner tube assembly. Export-standard plywood box is utilized to pack this Q series core barrel.
Specification:
Available size
International Standard:B76 core barrel, B86 core barrel, B101 core barrel, B131 core barrel, B146 core barrel
BQ core barrel ,NQ core barrel, HQ core barrel, PQ core barrel, NQ3 core barrel, HQ3 core barrel, PQ3 core barrel
TT-46 core barrel TT56 core barrel
T2-56 core barrel, T2-66 core barrel, T2-76 core barrel, T2-86 core barrel, T2-101 core barrel
T6-76 core barrel T6-86 core barrel T6-101 core barrel T6-116 core barrel T6-131 core barrel T6-146 core barrel
NMLC core barrel, HMLC core barrel
LTK48 core barrel
Chinese Standard: Double tube 56, Double tube 59,Double tube 75,Double tube 91,Double tube 110, Double tube 130, Double tube 150
Wireline 56, wireline 59, wireline 75, wireline 95
Technical Parameters:
| Double tube surface | ||||
| SIZE | Metric system(mm) | Imperial system(in) | ||
| Hole diameter | Core diameter | Hole diameter | Core diameter | |
| BQ | 60 | 36.5 | 2.36 | 1.44 |
| NQ | 75.8 | 47.6 | 2.98 | 1.88 |
| HQ | 96 | 63.5 | 3.78 | 2.5 |
| PQ | 122.6 | 85 | 4.83 | 3.34 |
| Triple tube surface | ||||
| NQ3 | 75.8 | 45 | 2.98 | 1.78 |
| HQ3 | 96 | 61.1 | 3.78 | 2.41 |
| PQ3 | 122.6 | 83 | 4.83 | 3.27 |
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