Description

Power Through Downhole Challenges with the PQ Recovery Tap – Built for Big-Rod Retrieval

When drilling at large diameters, challenges like jamming, thread failure, or downhole obstructions can halt progress fast. The PQ Recovery Tap is your high-strength fishing tool specifically engineered for retrieving stuck or lost PQ drill rods, core barrels, and casings during diamond core drilling.

Purpose-built for PQ wireline systems, this tool is a crucial asset for any mineral exploration or geotechnical drilling operation that demands strength, precision, and reliability.

Key Features & Technical Highlights

Designed for PQ Rods (85–101 mm OD)

• Precision-manufactured to GSZ-H standards, the PQ recovery tap delivers secure engagement with PQ-size drill rods, ensuring optimal recovery performance for larger diameter tooling.

Heavy-Duty Construction

• Crafted from high-quality alloy steel, heat-treated and case-hardened to 50–55 HRC for maximum durability, torque resistance, and wear protection in demanding environments.

Self-Tapping, Full-Penetration Thread Design

• Features parallel walls and self-tapping threads that bite deeply into the rod (“fish”), providing a strong mechanical hold during pull-out.

Versatile Thread Options

• Available in both right-hand and left-hand threads to match your drilling setup.

• Comes in male (external) and female (internal/bell) types to suit various recovery scenarios and stuck-rod orientations.

Seamless System Compatibility

• Integrates effortlessly with adapter subs, overshots, and drill strings across standard PQ wireline core drilling systems, ensuring reliable field deployment and rod recovery.

ISO & CE Certified Quality

• Produced under international standards, delivering consistent performance in high-stakes mineral recovery and exploration projects.

Applications

Mineral Exploration: Retrieve stuck or broken PQ rods and core barrels from great depths, especially in fractured or unstable geological formations.

Deep Wireline Core Drilling: Designed for robust performance in long-hole drilling where heavier rods are used.

Geotechnical Investigations: Maintain continuity in large-diameter drilling and prevent lost tooling delays in foundation testing and soil sampling.

Downhole Emergency Recovery: Essential part of the emergency kit when running PQ drill strings in complex terrain.

Why Choose the PQ Recovery Tap?

Large-diameter drilling comes with large risks. When your PQ rods get stuck, a regular fishing tool won’t cut it. That’s where the PQ Recovery Tap steps in—delivering industrial-grade strength, precision threading, and unmatched retrieval power. Whether you’re drilling for minerals at 1000m depth or running critical core samples, this tool ensures your gear comes back up—fast and intact.

Compatible With

• PQ wireline core drilling systems

• PQ core barrels and inner tubes

• Adapter subs and drill rods

• Both standard and reverse-thread systems