Diamond drill bit

Details Diamond drill bit Diamond drill bit

E - Fixed Constructions

21

B

255/69

E21B 10/46 (2006.01) E21B 10/04 (2006.01) E21B 10/42 (2006.01) E21B 10/48 (2006.01) E21B 10/56 (2006.01)

Patent

CA 1314281

ABSTRACT A rotary drill bit is provided which uses a plurality of hemispherically shaped diamond cutting elements, each having a cleaved, planar face. The diamonds are disposed in the bit such that the planar faces provide a plurality of knife-like cutting surfaces which fracture the formation being drilled and groove the fractured material.

603100

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