Company Overview

With a large fleet of state-of-the-art drill rig suites, Pentium Hydro is a dedicated hydrogeological and dewatering drilling business.

A strong commitment to safety and industry best practice are core values at Pentium and this is reflected in our people, our equipment and in how we operate, and by our Quality, Environmental and Occupational Health and Safety Management Systems ISO 9001, ISO 14001 and ISO 45001 certification.

With extensive industry experience, coupled with the best people and equipment in the business, we understand what you need and how to get the results you want. We recognise that individual clients have individual needs and we possess the ability to tailor our services and equipment to meet those needs.

Key People


Managing Director

Sheldon is a drilling industry professional with over 35-years national and international experience. He started his career as a Drillers Offsider in 1986 and has held many differing roles over the years which include field based, operational, senior management, executive management and company ownership.

Sheldon’s international experience extends from South East Asia to the Middle East and West Africa. In 2004 he co-founded and was the Managing Director of SBD Drilling, a Perth based exploration drilling company with successful operations in Australia and West Africa, before selling in July 2011.

From 2012 to 2018 Sheldon was the General Manager of Easternwell Minerals prior to co-founding Pentium Hydro in January 2019.


Chief Operating Officer

Andrew has over 25 years of experience in the resources and drilling industry, beginning his career in field based roles and then holding many roles including Safety and Training Coordinator, Contracts Manager, Operations Manager and General Manager.

Andrew’s most recent role as General Manager of Easternwell Minerals from 2018 to 2021 focussed on the delivery of hydrogeological drilling and completion services, exploration and production drilling, with a focus on providing safe, efficient and professional operations to Australia’s largest resource companies. Whilst focussed on delivering maximum financial return, Andrew also delivered on increased diversity and maximised the opportunity for personal progression of all employees.
Andrew holds a Graduate Diploma in Business.


Commercial Manager

Toby has 21 years’ experience in the water drilling industry in the UK and Australia, the last 10 of which completed in senior operational and leadership management roles undertaking large water well drilling programs for a wide range of clients across the Pilbara and Goldfields regions of WA.

Toby holds a Bachelor’s degree in Physical Geography (BSc.) and a Master’s degree in Water Resources Engineering, Technology and Management (MSc.).


Operations Manager

Quentin has transitioned into the Operations Managers role from within Pentium after assisting the business to gain ISO 9001, ISO 14001 and ISO 45001 certifications.  Quentin has a deep understanding of all facets of the Pentium Hydro business, including client expectations and requirements. He is well placed to support the business moving forward.

Quentin has prior operational leadership experience within the manufacturing industry, and 12 years experience in the mining industry supporting the Health, Safety, Environmental, Quality and Training function on numerous Tier 1 and 2 Operations, particularly in relation to Water Well and Exploration Drilling.

Quentin holds a Graduate Certificate in Occupational Health and Safety (GCertOHS), Diploma in Business and a Cert IV Trainer Assessor.

About the Parent Company Vysarn Limited

Pentium Hydro Pty Ltd is wholly owned subsidiary of Australian Securities Exchange (ASX) listed Vysarn Limited.