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Address: 65 EAST XINHUAN ROAD, SHANGHAI, CHINA
Contact name:Bill, George, Michael
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Coring In-Hole Tools Boart Longyear Wireline Core Barrel for Mineral Core Drilling
Roschen can supply High Quality grade Q Series Wireline Core
Barrel, which can instead of boart longyear core barrel.
Boart Longyear
Boart Longyear Q/QTK wireline systems (represented to the left)
consist of the core barrel assembly and the overshot assembly. Both
assemblies are integral to the wireline system.
The core barrel assembly is composed of the inner-tube group and outer-tube group. The inner-tube group is composed of: - Head Assembly - Inner Tube - Core Lifter Case - Core Lifter - Stop Ring The inner-tube group collects the core sample during the drilling process and is independent of the outer-tube group. The outer-tube group is composed of the remainder of the core barrel components: - Locking Coupling - Adapter Coupling - Outer Tube The outer-tube group always remains at the bottom of the hole and houses the inner-tube group during the drilling process. Q3 wireline systems (represented to the right) consist of the same groups as the Q and QTK but utilize a third tube called an inner-tube liner or split tube. The liner is placed inside the inner tube.
Applications:
Boart Longyear Q systems are ideal for use in most drilling
conditions and are available for application in standard DCDMA hole
sizes (A, B, N, H, P).
Boart Longyear QTK systems are optimized to allow for a larger core
sample while retaining the same hole, low fluid pressure, and
robust inner and outer tubes. QTK systems are offered in the A, B
and N sizes.
Boart Longyear Q3 systems enable integral core recovery when
drilling coal, clay bearing or highly fractured formations. The
liner, or split tube, retains the core sample in its received state
for easier loading into sample trays or for storage and subsequent
presentation to the geologist. The Q3 system is only available in
surface configurations and is available in N, H and P sizes.
The High Productivity Coring System is a time saving surface coring
system which includes the Quick Descent head assembly, V-Wall
coring rod and the Stage3 diamond coring bit. 
| Q Series 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) |
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
