Down the hole hammer drilling problems

This section is a basic reference section for typical problems encountered when using a Down The Hole drilling method.  The information contanined in this section is sourced form one of the best problem solving manuals around.

Click on the links to your left

Drilltech Mission and Sandvik are the largest manufacturers of percussion drilling equipment in the world with a wealth of experience in all aspects of drilling applications and equipment.  

References:

• Trouble shooting manual Driltech Mission, LLC Sandvik
• Don't ruin those new collars, Sii DRILLCO
• API Spec RP7G
• ASM Handbook Vol 11, Ninth Edition
• What is Ph? by Rudy Wilfong, National Drillers Buyers Guide, Nov 1992
• Rock Drilling Manual, Sandvik Rock Tools
• Drilling insert performance, Hughes MPD
• Operation and maintenance manual, Sandvik Rock Tools,Inc
• The handbook on Surface Drilling and Blasting, Tamrock
• Drilltech Maintenance Manual
• Dr Olof Vinsbo, University of Houston