AQ BQ NQ HQ PQ Wireline Core Drill Bits Explained: Understanding Sizes and Applications in Exploration Drilling

Wireline drilling systems are classified by size.
AQ, BQ, NQ, HQ, and PQ are the most commonly used wireline drilling sizes worldwide. Understanding their applications helps drilling contractors choose the correct equipment for different exploration projects. YKDRILL supplies complete wireline drilling solutions for all standard sizes..

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AQ

Suitable for shallow exploration and lightweight drilling.

BQ

Widely used in mineral exploration.

NQ

Industry standard for exploration drilling.

HQ

Provides larger core samples.

PQ

Preferred for deep drilling and detailed geological analysis.

Selecting the Right Size

Selection depends on:

• Hole depth
• Geological conditions
• Core sample requirements

Conclusion

Choosing the proper wireline size improves drilling efficiency and overall project performance. YKDRILL offers complete AQ to PQ drilling solutions.