5 ft 10 ft Triple Tube Core Barrel Assembly With Split Tube NQ3 HQ3 PQ3
Wireline Core Barrel Triple Tube Core Barrel With Split Tube NQ3 HQ3 PQ3
Wireline Core Barrel Triple Tube Core Barrel 5 ft , 10 ft With Split Tube NQ3 HQ3 PQ3
Detailed Product Description
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.
1. 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:
- Head Assembly
- Inner Tube
- Core Lifter Case
- Core Lifter
- Stop Ring
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:
- Locking Coupling
- Adapter Coupling
- Outer Tube
Triple Tube Core-barrels/ Double Tube Core-barrels with Split Tube
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 |
| Boart Longyear Core Barrel System Sizes |
| SIZE |
CORE Ø |
HOLE Ø |
| AQTK |
35.5 mm (1-3/8 in) |
48 mm (1-7/8 in) |
| BQ |
36.4 mm (1-7/16 in) |
60 mm (2-3/8 in) |
| BQTK |
40.7 mm (1-5/8 in) |
60 mm (2-3/8 in) |
| NQ |
47.6 mm (1-7/8 in) |
75.7 mm (3 in) |
| NQTK (NQ2") |
50.6 mm (2 in) |
75.7 mm (3 in) |
| NQ3 |
45 mm (1-3/8 in) |
75.7 mm (3 in) |
| HQ |
63.5 mm (2-1/2 in) |
96 mm (3-3/8 in) |
| HQ3 |
61.1 mm (2-3/8 in) |
96 mm (3-3/8 in) |
| PQ |
85 mm (3-3/8 in) |
122.6 mm (4-7/8 in) |
| PQ3 |
83 mm (3-1/4 in) |
122.6 mm (4-7/8 in) |
| Core Barrel System Sizes |
| SYSTEM |
CORE Ø |
HOLE Ø |
| mm |
in |
mm |
in |
| A |
48,0 |
1.89 |
27,0 |
1.06 |
| B |
59,9 |
2.36 |
36,4 |
1.43 |
| N |
75,7 |
2.98 |
47,6 |
1.88 |
| H |
96,1 |
3.78 |
63,5 |
2.5 |
| P |
122,6 |
4.83 |
85,0 |
3.35 |
For more information, please contact:
ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED
Skype: ROSCHEN.TOOL , ROSCHEN_GROUP
WeChat: +86-137 6419 5009 ; +86-135 8585 5390
WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390
Email: roschen@roschen.com ; roschen@roschen.net
Website: http://www.roschen.com ; http://www.roschen.net
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