tricone bit

tricone bit

[′trī‚kōn ′bit]
(engineering)
A rock bit with three toothed, conical cutters, each of which is mounted on friction-reducing bearings.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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The drill rods will be of the heaviest wall and largest diameter that can follow the tricone bit.
Hard soil or rock conditions/walkover--TCI tricone bit, mud motor with preset bend, sonde housing, drill pipe.
reamers, pilot bits, tricone bits, roller cone reamers, hammers and
BBI provides HDD tooling such as PDC bits, PDC reamers, pilot bits, tricone bits, roller cone reamers, hammers and support packs, HDD hammer bits, and other custom tooling.
Bit Brokers International has developed a calculator using IADC (International Association of Drilling Contractors) codes to assist drillers in identifying specifications of tricone bits and the formations in which they are most effective, IADC codes classify roller cone bits by a numbering system.
Besides the Radius rock bit, these housings are designed for use with a number of HDD tools including Mud Motors, tricone bits, auger boring and monitoring reamers.