Since measurement of a BHM stope requires special equipment and procedures, an easy and quick beforehand jet-cutting test is recommended, similar to the one pictured above. In this case, the tool is located on top of the production interval with its hydromonitor lowered to a short distance below the surface. It typically takes a few minutes for the jet to get through the ore and reach the surface (in this case 26FT). This test provides a quick glimpse of the BHM possible cutting reach-radius - one of the most important parameters of borehole mining.
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BHM TOOL & EQUIPMENT
Other than the Tool, BHM requires some additional equipment such as rigs, pumps, pipes, hoses, foot clamps, other auxiliary equipment, etc.
Note: Both types: top-drive and rotary-table drill rigs are applicable for BHM operations
BOREHOLE MINING VIDEOS
At BHMI, we strive to share our experience as soon as we can. Please stay tuned for latest updates
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