Earth-boring bit with an advantageous cutting structure

Details Earth-boring bit with an advantageous cutting structure Earth-boring bit with an advantageous cutting structure

1992-09-23

1994-05-17

Britts, Ramon S.

Boring or penetrating the earth

Bit or bit element

Rolling cutter bit or rolling cutter bit element

175374, 175376, 175378, E21B 1014

Patent

active

053119584

ABSTRACT:
An earth-boring bit is provided with three cutters, two of the three cutters are provided with heel disk cutting elements defined by a pair of generally oppositely facing disk surfaces that generally continuously converge to define a circumferential heel disk crest. One of the two cutters having heel disk elements is further provided with an inner disk cutting element.

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