Core barrel BWL

This system is particularly suitable for deep boreholes.

The workflow is markedly different from the conventional methods, but it is still a system of double tube core barrel drilling.

The fundamental difference is that the collector pipe down to the working position inside the drill string and rises once filled, also, the interior via a cable linkage. As advances the depth of drilling, drilling rods are added whitout removing the core barrel.

You just have to remove the drill string to change the core bit. Thus there is a significant increase in the useful time of drilling.

The following pages describe the complete core barrel in its different versions, the conversion kits and spares.

The core barrels are supplied without core bit and without reaming shell, because depending on the formation to be drilled will be recommended to use tugsten carbide or carbotec or diamond tools.

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