The Conrad jetting mast SBM was originally developed for positioning 10-metre long filters at wellpoint drainage projects in one go. This jetting mast has become deployable for a broad range of options after more than 20 years of continued development.
The jetting masts have already been delivered many times as different models with the following options in part due to the constant new requirements coming from our customer base:
The jetting mast has been delivered in many lengths. The selected stroke lengths of the drill head have been between 4.5 metres and 22 metres with regard to the extendable model up to now.
Reverse circulation drilling
Reverse circulation drilling up to 70 to 80 metres in depth and a hole diameter of up to 800 mm *
Straight flush drilling
Straight flush drilling up to approx. 150 metres in depth and a hole diameter up to approx. 350 mm *
Auger drilling for both hollow stem and full augers where diameters of 400 mm to 600 mm can be set when applying an approx. 800 – 1000 daNm auger drill head.
Soil detection for tracking conventional explosives with a probe.
Water glass injection
Water glass injection, GPS driven and unmanned drilling in accordance with an injection pattern.