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Hole Opening

EzeeBORE Multi Stage

A PDC hole opener with a lead in gauge section, the EzeeBORE Multi Stage (EzeeBORE MS) opens the hole to an intermediate OD before the second stage opens the hole to the final OD.

Tungsten carbide inserts (TCIs) act as stabilizing elements in the first stage and additional TCIs ream and maintain the hole gauge in stage two. Strategically placed nozzles clean and cool the PDCs during borehole enlargement. The EzeeBORE MS enlarges and reams the hole eliminating the need for a dedicated reaming trip while maintaining a high degree of stability during drilling.