Drill bit having canted seal

Details Drill bit having canted seal Drill bit having canted seal

E - Fixed Constructions

21

B

E21B 10/08 (2006.01) E21B 10/22 (2006.01)

Patent

CA 2297864

A drill bit having a canted or non-canted leg backface, a canted or non-canted seal in the interface between the cone backface and the shirttail, and a canted seal that can be semi--encapsulated so that there is no straight-line path across the seal.

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