Legion Drilling Australia

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Legion Drilling Australia Environmental, Geotechnical and Sonic drilling contractor. High Resolution Site Characterisation (HRSC), Chemical Injection, remediation equipment.

Groundwater and contaminated land solutions. Our enthusiasm for innovation results in clever and efficient solutions for a diverse range of client needs. So whether it is environmental drilling, goetechnical drilling, hi-resolution mapping, in-situ remediation or water bore drilling, we deliver solutions with a refreshing level of friendly, personal service

14/10/2026

No two sites are the same.
That's why successful activated carbon injection projects rely on a detailed understanding of soil conditions, groundwater behaviour, and contaminant distribution before work begins.

By tailoring injection methods to site-specific conditions, remediation teams can:
✅ Improve contaminant treatment coverage
✅ Optimise activated carbon distribution
✅ Reduce the risk of product daylighting
✅ Deliver more reliable remediation outcomes

We work closely with consultants and remediation specialists to ensure injection programs are delivered safely, efficiently, and with the best possible environmental outcomes.
Get Expert Advice for Your Site: 1300 131 019

01/10/2026

Build Your Future with Legion Drilling

Looking for more than just a job?
Join a team that invests in your training, supports your growth, and offers real career progression.

We're currently hiring in Brisbane and Sydney for:

✅ Driller Offsider (Entry Level) | Brisbane
https://au.seek.com/job/94506039

✅ Driller Offsider (Entry Level) | Sydney
https://au.seek.com/job/94506001

✅ Geotech Driller | Brisbane
https://au.seek.com/job/94454311

Enjoy competitive pay, ongoing training, career development opportunities, and a supportive team culture where hard work is recognised and rewarded.

📍 Locations: Brisbane & Sydney
📩 Apply now through SEEK
Job Enquiries: 0407 126 149

28/09/2026

What if the best remediation solution isn't excavation?

This site presented a significant challenge: contamination beneath a footpath and an active roadway, surrounded by ageing underground services and difficult ground conditions.

Rather than relying on a traditional excavate-and-dispose approach, the project team implemented CAT 100 in-situ remediation technology, treating contamination directly in the ground with minimal surface disruption.

The result?

✅ No major excavation
✅ Minimal impact on traffic and infrastructure
✅ Significant contaminant reduction within 12 months

This project highlights how innovative remediation technologies can deliver fast, effective results while reducing risk, cost and disruption.

👉 Need a remediation solution?
Request a quote: https://drillinglegion.com/request-a-quote

Most contaminated land in Sydney still leaves site on the back of a truck.This one didn't.We've been named a finalist fo...
24/09/2026

Most contaminated land in Sydney still leaves site on the back of a truck.

This one didn't.

We've been named a finalist for the Australasian Land & Groundwater Association (ALGA) land and 2026 Award for Innovation in Contaminated Land and Groundwater Practice - for Australia's first CAT100® injection, treating a chlorinated solvent plume in place, beneath a live dual carriageway in Waterloo.

No excavation. No road closure. 10 days on site.

12 months of performance monitoring by Senversa: up to 99.6% reduction in individual wells, more than 90% across the network, and microbial data confirming destruction rather than capture.

In situ remediation is not too slow for development timeframes. That myth is the single biggest reason good sites still get dug up.

Congratulations to Emmylou Cooke and the Senversa team. Winner announced 12 November.

23/09/2026

When drilling in complex environments, there are no second chances.

At the Elgas Cavern facility in Port Botany, Legion Drilling Sydney team was engaged to install seismic monitoring bores that will help detect ground movement and support the ongoing safety of critical infrastructure.

The project presented several technical challenges, including drilling through 30 to 40 metres of tidal sands before reaching rock, maintaining borehole stability, and managing the risks associated with working adjacent to LPG storage infrastructure.

Using rotary mud drilling methods, our team advanced each bore to competent rock, seated and and pressure-cemented steel casing for the addition of with an annular bag diverter at surface for gas and fluid control After cementing has been pressure tested the crew will drill through the cementing out he casing to a final depth of 95 metres. Every stage required precise ex*****on to protect bore integrity and avoid costly delays or rework.

To support safe operations, robust contingency measures were implemented, including gas management systems and annular diverter controls designed to manage any potential gas ingress encountered during drilling.

Projects like this demonstrate the value of experienced crews, detailed planning, and the ability to adapt to challenging ground conditions while maintaining safety, quality, and program certainty.

Legion Drilling delivers specialised drilling solutions for infrastructure, environmental, geotechnical, and monitoring projects across Australia, helping clients reduce risk and achieve reliable project outcomes.

Additional drilling capacity is now available across Darwin and the Northern Territory from 28 September. With personnel...
22/09/2026

Additional drilling capacity is now available across Darwin and the Northern Territory from 28 September. With personnel and equipment ready to mobilise, now is the ideal time to secure availability for upcoming projects.
Request a quote: https://drillinglegion.com/request-a-quote

Understanding What's Happening Below the SurfaceHydraulic Profiling Tool (HPT) provides fast, high-resolution subsurface...
17/09/2026

Understanding What's Happening Below the Surface
Hydraulic Profiling Tool (HPT) provides fast, high-resolution subsurface data that helps clients understand groundwater movement, identify potential contaminant pathways, and make informed decisions with confidence.

Using direct-push technology, the HPT measures how easily water moves through different soil layers, providing real-time insights into site conditions. This allows environmental professionals to identify zones where contaminants may migrate, assess environmental risks, and better understand subsurface hydrogeology.

Why is this important?
✅ Identify contaminant migration pathways
Understand how and where contaminants may be moving underground to better assess environmental risks.

✅ Improve site characterisation
Build a clearer picture of subsurface conditions with high-resolution data, reducing reliance on assumptions and data gaps.

✅ Support remediation and risk management
Target remediation efforts more effectively by identifying critical groundwater flow paths and impacted areas.

✅ Reduce project uncertainty and investigation time
Access real-time data that enables faster decision-making and more efficient site investigations.

✅ Assess landfill and contaminated land impacts
Detect indicators associated with leachate-affected groundwater, making it a valuable tool for landfill, industrial, and contaminated site investigations.

For this project, the HPT was used to assess the potential migration of landfill leachate by identifying highly permeable soil layers and groundwater conditions that could influence contaminant movement below the surface.

17/09/2026

One of the highest-risk activities on a drill rig may surprise you.

Since 2022, Legion Drilling has recorded 14 incidents associated with raising and lowering drill rig masts.

These incidents primarily resulted in equipment damage, including pinched or caught hydraulic hoses, damage to mast attachments such as mast-mounted SPT hammers and spin cages, and damage to winch lines. Fortunately, none of these incidents involved contact with overhead powerlines, a risk that is generally well managed through strict procedures and planning.

Every mast operation requires careful planning, clear communication, and strict adherence to safety procedures. That's why we recommend having two people involved in every mast-up and mast-down operation.

A second set of eyes can help:

✅ Identify hazards
✅ Verify clearances
✅ Monitor hoses and winch line tension
✅ Maintain clear communication throughout the task

Safety doesn't happen by chance. It happens through planning, vigilance, and teamwork.

https://www.legiondrilling.com.au/

09/09/2026

When innovation meets environmental remediation.

Working in a busy urban environment presented unique challenges, especially when injecting a jet black remediation slurry in full view of the public.

As part of Australia's first CAT 100 injection for treating a TCE plume, Legion Drilling supplied the rig, personnel, and specialised injection equipment required to deliver the project safely and efficiently. Nearly a year on, the results have been outstanding, with substantial reductions in contaminant concentrations recorded month after month.

A great outcome for our client, the community, and the environment.

Critical infrastructure relies on more than what you can see on the surface.At Port Botany, Legion Drilling is supportin...
06/09/2026

Critical infrastructure relies on more than what you can see on the surface.

At Port Botany, Legion Drilling is supporting the Sydney LPG Cavern seismic monitoring upgrade, delivering four boreholes that will house new sensors designed to monitor the stability of this important underground storage facility.

Address

Metters Place
Sydney, NSW

Opening Hours

Monday 7am - 5pm
Tuesday 7am - 5pm
Wednesday 7am - 5pm
Thursday 7am - 5pm
Friday 7am - 5pm

Telephone

+611300131019

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