E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 10/62 (2006.01) E21B 10/60 (2006.01)
Patent
CA 2686066
A drill bit is disclosed, comprising: a drill bit head having a cutting face with one or more fixed cutting elements; a flow passage extending from the center towards the gage of the bit which has been designed to increase the velocity across the cutting elements.
Lambert Anthony R.
Northbasin Energy Services Inc.
LandOfFree
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