Multiple inserts of different geometry in a single row of a bit

Details Multiple inserts of different geometry in a single row of a bit Multiple inserts of different geometry in a single row of a bit

E - Fixed Constructions

21

B

E21B 10/08 (2006.01)

Patent

CA 2511708

A method for designing a roller cone drill bit having a plurality of cutting elements in a row. The method includes defining a pitch pattern for the plurality of cutting elements such that a first group of adjacent cutting elements are arranged in a first pitch and a second group of adjacent cutting elements are arranged in a second pitch in the row; evaluating the pitch pattern of the plurality of cutting elements in the row; and modifying at least one of the plurality of cutting elements, based on the evaluating the pitch pattern of the plurality of cutting elements.

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