About Alton Drilling

A privately owned company, Alton Drilling provides quality professional service with a friendly business approach.

Alton’s main drilling focus is exploration, including diamond coring, open hole, percussion drilling, coal and mineral exploration, reverse circulation (RC) and aircore drilling. The company also has worked on various seismic, geotechnical and instrumental jobs, drilling all types of ground conditions in all types of locations.

Using the latest drilling equipment and technology combined with a wide range of experience spanning many years, Alton Drilling is able to lend specialist expertise to projects around the country. Continual research into new drilling rigs and equipment keeps Alton Drilling at the forefront of drilling in New Zealand and global.

We specialize in heli-portable remote camp services, and also communication hubs.

We currently hold the biggest fleet of SC11 rigs globally.

Alton Drilling is currently running 10+ underground rigs including a MDR150 mobile unit

Alton Drilling is also very involved in the manufacturing and design of exploration drilling rigs. The ADL Series rigs are working all around the world including Australasia, Asia and Europe.

The rigs can be mounted on rubber or steel tracks, or for drill sites in remote or steep locations, the rigs can be built to be heli-portable and can be broken down into flyable components.

Alton Drilling also offers a design service and is able to build ‘one-off’ machines, purpose-built for the client’s requirements.

Specialisation, experience and innovation have combined to make Alton Drilling Ltd your Guaranteed Complete Drilling Service Provider.


Alton Drilling offers sponsorships.

Application for Sponsorship (PDF)

Application for Sponsorship (WORD)

Alton Drilling Ltd., established in 1983, is one of New Zealand’s most respected drilling contractors.

Our Team

Alton Drilling Ltd.

Cory Ibbotson


Cory has been Managing Director of Alton Drilling since 2006. He oversees all aspects of the business, and is our key contact for Rig Sales and Drilling enquiries.

Emma Speight

Head Office Manager

Emma is our Administrative Manager who keeps all aspects of the the operation running smoothly. Talk to Emma for Administration and Accounts enquiries’ .

Glen Grindlay

HSE & Training Manager

Bernadette Lampp

Human Resources Manager

Bernadette comes with many years experience in HR, she is our key HR contact and partner to drive objectives and program implementation. Her focus include Talent Acquisition, Employee Relations, Performance Development, Organisational Effectiveness, and Culture.

Aaron Warn

Surface Project Leader

Aaron has 28 years industry Surface and Underground experience in various parts of the world. From mineral exploration, diamond, RC, RAB, tubex, simcase, DDHH, geothermal, CSG, coal exploration, geotech, seismic, quarry work, to heliwork. Aaron plays a big part in the day to day surface operations.

Fabian Harley

Underground Project Leader

Fabian has been in the industry for 16 years predominantly working on exploration surface projects both here in New Zealand and abroad. He has worked on a multitude of projects using various methods including Geo Technic, Siesmic, coal exploration and deep hole exploration. Fabians primary role is ensuring all aspects of the Underground Drilling operations in Waihi are carried out to our clients and Alton Drilling standards.

Ralph Keenan

Training Supervisor

Alton Drilling Trainer Supervisor, backed with 32 years in the Drilling Industry, with extensive knowledge in Geotechnical, Exploration, Geothermal Well Control, and Site Investigation Drilling Methods as well having a strong knowledge of safety practices, risk analysis Systems and policies. Certified in Drilling Operations, Qualified NZQA Workplace assessor & Registered MITO NZ Workplace Assessor in Non-hydrocarbon drilling.

Chris Maitland

Maintenance Engineer

Chris is our roaming Maintenance Engineer and can be found on any one of our sites servicing our equipment or helping solve challenges for our customers.

Matt Leyser

Macraes Surface/Underground Project Leader

Matt has been in the industry for 13 years and has a wide range of experience both underground and on the surface operating rigs drilling wireline BQ-HQ, conventional LTK60 and RC drilling in New Zealand and Australia. He is in charge of the day to day smooth running of our Macraes operation both surface and underground.