A drill rig assistant was struck on the shoulder by a falling inner-tube assembly when the wireline cable snapped. It appears that the inner-tube assembly had been pulled from the borehole but the wireline cable snagged on a piece of the mast structure.
Read MoreA supervisor of a rotary percussion drilling operation was struck on the head by a large piece of cutting (rock) that was blown out of the borehole.
Read MoreA drill rig assistant had part of a finger amputated when a wireline inner-tube disengaged from the overshot. It appears that the inner-tube had just been pulled clear of the open drillstring when it disengaged.
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