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

Brad has 15 years experience in the resources industry, in both oil & gas and minerals drilling.  Brad’s most recent role was Operations Manager with Easternwell Energy, responsible for a workover operation for a large client on Barrow Island.  In the previous 8 years, Brad managed a number of oil & gas workover rig operations, including a plug & abandonment projects at Thevenard Island, Brunei and PNG.  Brad’s previous roles include Regional and Executive HSE Manager roles with Broadspectrum, Easternwell Minerals and Easternwell Energy.  Prior to this, Brad worked in the agricultural industry in HSE Advisor and Manager roles, in NSW and Queensland.

Brad holds a Diploma in Business Management, Diploma in Applied Occupational Health and Safety Management and a Cert IV in Workplace Training & Assessing.

Brad’s ethos in management is a focus on Operational Discipline and the impacts of Human Factors in organisations. Supporting systems that encompass Human and Organisational Performance (HOP) principals, where equipment, systems and processes are built around Human Performance. Empowering employees to take ownership, make decisions and learn from making mistakes is a core component of this ethos.


HSEQ&T Manager

Quentin is a successful Health, Safety and Environment (HSE) professional with 13 years experience, of which 11 years have been at a management level. Throughout this time, Quentin has gained a vast amount of experience in HSE and Quality systems, Risk Management and Mitigation and the development and management of ISO accredited systems. Quentin has managed the Health, Safety, Environmental, Quality and Training function on numerous Tier 1 and 2 operations, particularly in relation to Mining Service Provision, including 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 and is a member of the Australian Institute of Health and Safety (AIHS).


About the Parent Company Vysarn Limited

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