E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 10/08 (2006.01) E21B 10/46 (2006.01)
Patent
CA 2551939
High energy cutting elements and bits incorporating the same are provided. The cutting elements have at least a portion of their cutting layers which will be exposed to high temperatures during drilling formed from a PCBN material capable of operating at temperatures of at least 1000°C.
Fetherstonhaugh & Co.
Smith International Inc.
LandOfFree
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