Major Drilling Mongolia drills record 2,000m PQ hole for Oyu Tolgoi

A new drilling record has been set in Mongolia at the Oyu Tolgoi copper project where Major Drilling teams completed a 2,000m (6,561ft) PQ3 diameter hole. It is an extremely deep hole for PQ requiring both experience and expertise.

The UDR 5000 is the drill Major Drilling teams use at Oyu Tolgoi to reach the deep targets

20 November 2020
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"The successful completion of this hole is not only an incredible achievement for Major Drilling Mongolia, it also opens the door for additional deep hole drilling at Oyu Tolgoi as the project

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