Drill bit, drilling system, and related methods

Details Drill bit, drilling system, and related methods Drill bit, drilling system, and related methods

2009-04-23

2011-10-04

Andrews, David (Department: 3672)

Boring or penetrating the earth

Processes

C175S327000, C175S393000

Reexamination Certificate

active

08028765

ABSTRACT:
A rotary drag bit for use in subterranean earth boring operations, the drag bit having blades, rows of cutters on the blades, and nozzles disposed within the rows. The nozzles are configured to discharge fluid during drilling.

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International Search Report, PCT/US2009/041495, dated Aug. 4, 2009.

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