Modified cutters

Details Modified cutters Modified cutters

E - Fixed Constructions

21

B

E21B 10/46 (2006.01) E21B 10/26 (2006.01)

Patent

CA 2505828

A modified cutting element that includes a base portion, an ultrahard layer disposed on said base portion, and at least one modified region disposed adjacent to a cutting face of the cutter is described. In certain applications, the ultrahard layer comprises thermally stable polycrystalline diamond.

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