Simulation study of new directional drilling PDC bit used in coal mine
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DOI: 10.1080/12269328.2016.1246981
Abstract: Abstract During directional drilling, when drilling in hard and multi-interbedded formation, the ordinary flat-bottomed PDC bit wears seriously, in order to solve this problem, a new type of directional drilling PDC bit (straight angle drag… read more here.
Keywords: straight angle; directional drilling; bit; pdc bit ... See more keywords