Csk 146/Sk6l 146 Triple Tube Wireline Core Barrel for coal drilling
Csk 146/Sk6l 146 Triple Tube Wireline Core Barrel
Core Barrels
ROSCHEN coring systems stand for high quality and guarantee the best possible core recovery. In this field we have decades of experience. Due to the continuous improvement of our systems, you can always rely on their steadiness.
ROSCHEN Drilling offers a wide range of heavy-duty core barrel types for the fields of mining, oil and gas, as well as geotechnical engineering. Beside wireline core barrels, we supply double- and single tube core barrels. Optional variants with liner, multi-drill system or core orientation system are available. All wireline core barrels are equipped with the flexible Christensen latching head which assures a secure locking in every situation.
| Wireline Core Barrels Specifications | ||||
| System | Borehole Diameter* | Core Diameter | Outer Barrel OD | Depth Range** |
| CA | 52,0 mm | 27,0 mm | 44,5 mm | 2.100 m |
| CB | 64,0 mm | 36,5 mm | 57,2 mm | 2.100 m |
| CN | 75,7 mm | 47,6 mm | 70,0 mm | 2.000 m |
| CH | 96,3 mm | 63,5 mm | 92,1 mm | 2.000 m |
| CP | 122,6 mm | 85,0 mm | 117,5 mm | 2.000 m |
| NXB II | 75,7 mm | 47,6 mm | 73,0 mm | 2.100 m |
| HXB II | 92,8 mm | 61,2 mm | 90,0 mm | 2.300 m |
| CSK 146 | 146,0 mm | 102,0 mm | 140,0 mm | 2.200 m |
| CSK 176 | 176,0 mm | 132,0 mm | 171,0 mm | 1.800 m |
| SK 4 ¼" B | 120,6 mm | 69,0 mm | 110,0 mm | 2.500 m |
| SK 4 ½" B | 123,8 mm | 78,0 mm | 114,3 mm | 2.300 m |
| SK 5 ¾" | 157,0 mm | 88,9 mm | 146,0 mm | 4.500 m |
| SK 5 ½" B | 161,9 mm | 101,4 mm | 152,4 mm | 3.000 m |
| Notes | ||||
| *Borehole diameter adjustable with core bit. | ||||
| **Values calculated for original Christensen drill rods with safety factor 2. | ||||
Best regards,
Phiger Leo
Direct Line: 0086-137-6419 5009
WeChat/WhatsApp:: +86-137-6419 5009
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ROSCHEN@ GROUP LIMITED
ROBERT ROSCHEN@ LIMITED
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HEFEI ROSCHEN@ TOOL CO., LTD.
ROSCHEN@ GEOLOGICAL TOOL CO.,LTD.
SHANGHAI ROSCHEN@ INTERNATIONAL CO., LTD.
ROSCHEN@ GEOLOGICAL INSTRUMENTS CO., LTD.
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