Methods for evaluating cutting arrangements for drill bits...

Details Methods for evaluating cutting arrangements for drill bits... Methods for evaluating cutting arrangements for drill bits...

E - Fixed Constructions

21

B

E21B 10/08 (2006.01)

Patent

CA 2468662

A method for evaluating a cutting arrangement for a drill bit includes selecting a cutting element arrangement for the drill bit and calculating a score for the cutting arrangement. This method may be used to evaluate the cutting efficiency of various drill bit designs. In one example, this method is used to calculate a score for an arrangement based on a comparison of an expected bottomhole pattern for the arrangement with a preferred bottomhole pattern. The use of this method has lead to roller cone drill bit designs that exhibit reduce tracking over prior art bits.

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