E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 10/16 (2006.01) E21B 10/06 (2006.01) E21B 10/52 (2006.01)
Patent
CA 2475719
A cutter element for a rolling cone bit is disclosed having a cutting surface presenting a generally wedge-shaped top profile and, preferably, a wedge-shaped side profile so as to enhance formation removal by allowing a relatively sharp leading edge of the insert to penetrate deeply into the formation before the wider, trailing portion acts on the formation.
Deeth Williams Wall Llp
Smith International Inc.
LandOfFree
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