MDR700

Exploration: Underground

You need underground diamond core drilling solutions for both shallow and deep hole, small and large diameter core, including wireline and conventional. For your next underground core drilling project, insist on the best rigs and tooling for the best results.

Underground Rigs

Boart Longyear offers an innovative range of underground diamond coring equipment for mineral development and exploration. Providing reliable, high-performance deep hole drilling with economical maintenance costs, our LM™ Modular Diamond Drill System is used extensively all over the world under varying climate conditions.

Major LM™ series components are designed to be readily interchangeable to adapt to variable onsite requirements and are capable of both conventional and heavy duty wireline core retrieval.

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Underground Exploration Rigs Overview

English (PDF)

Coring Rod, Casing, and Subs

Boart Longyear manufactures rods with various thread types to meet your drilling needs. Whether you need our Q™ thread for standard depths, our RQ™ for deep holes, HD thread for wide diameter or WJ for conventional drilling, we have a rod to meet your diamond core drilling needs.

Adapter SubsHD76 RodQ™ Wireline Coring RodRQ™ Wireline Coring RodW and WT CasingXQ™ Wireline Coring Rod

Diamond Products

Diamond bits are highly versatile – capable of adjusting from one ground formation to another. They are also very durable, able to resist the wear and punishment of extreme ground conditions. Using Stage™ technology, we offer crown heights up to 25 mm for maximum productivity.

CSUMX™ Diamond Casing ShoeLongyear™ Diamond BitsRSUMX™ Diamond Reaming Shell

Wireline

The genuine Q™ wireline system includes everything a driller needs to maximize productivity while maintaining the highest levels of safety.

Underground Wireline

DRILLING INNOVATION

Know your limits: Drill rod bending capabilities and deviated hole applications

CASE STUDY

Triple Threat: Stage™ 3 diamond bit extends life, improves productivity and exceeds expectations

CASE STUDY

How semi-autonomous drilling during crib breaks and shift change overs increased productivity by 13.5%

FIELD EXPERTS

The hidden cost of cheaper drill rods

FIELD EXPERTS

Coring rods are not boring rods: Why cost per meter matters

DRILLING INNOVATION

The ins and outs of wireline core retrieval systems

FIELD EXPERTS

Drill rod threads: tips to avoid common problems and improve productivity

DRILLING INNOVATION

Longyear Bits – Selecting the Right Bit in 5 Easy Steps

CASE STUDY

Longyear™ Bits Put 23% More Core in the Box

DRILLING INNOVATION

Longyear Bits – Selecting the Right Bit in 5 Easy Steps

Did you know that Boart Longyear worked more than 10,000,000 consecutive man-hours worked with no Lost Time Injuries (LTI) and one-year completely LTI-free as of 5 July 2019?

Congratulations to all Boart Longyear employees for working more than 10,000,000 consecutive man-hours with no Lost Time Injuries (LTI) and one-year completely LTI-free as of 5 July 2019!

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