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Landing ring for NQ Inner Tube Head Assembly

Landing Ring for NQ Inner Tube Head Assembly

– Secure Seating & Precise Alignment in Wireline Core Barrel Systems

The Landing Ring NQ is a vital internal component in the inner tube head assembly of NQ-size wireline core drilling systems. Its main role is to provide a stable, accurately positioned landing point for the inner tube within the core barrel assembly, ensuring reliable placement and retrieval during drilling operations.

Crafted from high-strength materials and machined to exact tolerances, the NQ landing ring promotes smooth operation and extends the life of your drilling equipment by maintaining proper internal alignment.

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Description


🔩 Key Features:

  • Engineered for NQ Wireline Drilling Systems – Designed to fit seamlessly within NQ inner tube head assemblies and meet industry-standard specifications.

  • Durable Alloy Construction – Withstands axial and torsional stress, drilling fluid exposure, and repeated impact during descent and retrieval.

  • Precision-Machined Contact Surfaces – Provides accurate, repeatable landing for consistent inner tube performance and minimal wear.

  • Corrosion-Resistant Coating – Finished to resist rust, chemical corrosion, and abrasion in extreme drilling environments.

  • Critical for Safe Core Recovery – Ensures inner tube is properly seated, allowing for clean, uncontaminated core extraction.


⚙️ Function in Core Drilling:

The Landing Ring:

  • Forms a positive stop or seating point for the inner tube inside the outer tube

  • Maintains axial alignment for accurate core sample retrieval

  • Helps ensure the latches engage correctly

  • Prevents inner tube over-travel during descent

  • Reduces wear and misalignment between core barrel components

Without a properly functioning landing ring, your inner tube may misalign or fail to engage, risking lost core samples and damaging other parts of the assembly.


📐 Specifications & Compatibility:

  • Standard fit for NQ-size inner tube head assemblies

  • Compatible with most major wireline core drilling systems

  • Also available for HQ and PQ sizes upon request


🧱 Applications:

  • Mineral exploration and diamond core drilling

  • Geotechnical site investigations

  • Surface and underground wireline drilling operations

  • Ideal for high-precision core recovery in all ground conditions


🌍 Why Drilling Experts Trust Our Landing Rings:

Our NQ landing rings are manufactured to strict engineering tolerances and quality standards, ensuring:

  • Long service life

  • Consistent landing performance

  • Compatibility with standard and custom assemblies

  • Rapid delivery for field replacements