The Impact of Rock Hardness on Coring Drill Selection

The Impact of Rock Hardness on Coring Drill Selection

Introduction

Not all drilling projects face the same geological conditions. Rock hardness is a key factor that determines the type of coring drill required.

1. Matching Drill Types to Rock Hardness

• Soft to medium-hard formations: Geological core sampling rigs perform best.

2. Hydraulic Pressure Adjustment for Optimal Drilling

• Portable full-hydraulic core drilling rigs need lower pressure settings for soft formations.

3. Tool Wear and Cost Considerations

• Hard rock formations require high-durability drill bits.

Conclusion

Selecting a coring drill based on rock hardness ensures efficient drilling and minimal equipment wear.