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NSK 146 and NSK 176 cable core barrels

Cable core barrels are dual-core tubes for drilling at great depth into all formations.

Cable core barrel system

Product features

The advantage compared to standard dual-core tubes is that the drill string can remain in the drill hole. The inner tube is pulled up through the pipe with a gripping device and discarded.

The core can be removed. A second inner tube set can be inserted immediately, which results in significant time savings. The borehole remains lined during extraction.

Type NSK-146/102 and NSK-176/132standard usable lengths: 1.5 m and 3.0 m.