Boart Longyear

Bit Usage Guidelines

The following bit drilling guidelines have been provided to help answer questions regarding rotation speed, RPI, bit weight, fluid flow, and include tips for tripping the bit in and out of the hole.
 

Troubleshooting

This troubleshooting guide provides helpful information on wear patterns including concave face wear, gauge loss, excessive diamond exposure, cracked waterways, burnt, etc. and other troubleshooting techniques.