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Wireline Core Barrel Triple Tube Core Barrel With Split Tube NQ3 HQ3 PQ3
Description of the Triple Tube Core Barrel for Sale :
NQ3 HQ3 PQ3 triple core barrels are generally used for geotechnical purpose, designed to maximize core recovery in soft formations,
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 H-Q series core barrel.
Ⅰ. CORE BARREL
CORE BARREL CONFIGURATION & APPLICATION:
The core barrel assembly is composed of the inner-tube group and outer-tube group.
The inner-tube group collects the core sample during the drilling
process and is independent of the outer-tube group.
The inner-tube group is composed of:
The outer-tube group always remains at the bottom of the hole and houses the inner-tube group during the drilling process.
The outer-tube group is composed of the remainder of the core barrel components:
Double Tube Core-barrels with Split Tube, this type core-barrels consist of the same group as above mentioned but utilize a third tube called an inner-tube liner or split tube that is placed inside the inner tube.
Series | Model | Drill bit (mm) | Reamer | Outer tube | Inner tube | Unit weight | |||
Inner diameter | Outer diameter | Outer diameter | Outer diameter | Inner diameter | Outer diameter | Inner diameter | Kg/set | ||
C-Q series core barrel | BQ | 59.5 | 36.5 | 60 | 57.2 | 46 | 42.9 | 38.1 | 45 |
NQ | 74.6 | 47.6 | 75.8 | 73 | 60.3 | 55.6 | 50 | 65 | |
HQ | 95.6 | 63.5 | 96 | 92.1 | 77.8 | 73 | 66.7 | 105 | |
PQ | 122 | 85 | 122.6 | 118 | 103 | 95.3 | 88.9 | 150 | |
