Success for Boart drilling team

A Boart Longyear drilling team has completed a challenging project to create a ventilation shaft for an underground longwall coal mine in southwest Wyoming, US.

The drilling tools en route to the site

27 February 2015
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This involved guiding a 152cm-diameter (60”) bit to a depth of 167m through a geological formation that included two aquifers in just over four weeks.

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