About CoalGAS

Formerly known as PacificMGM (Pacific Mining and Gas Management), CoalGAS has been supporting mining, coal seam gas and ventilation projects in Australia, and internationally, since 2008. When you work with us, your operations and projects will benefit from our specialised knowledge and experience. We can provide day-to-day operational and staff relief/vacancy coverage to onsite and offsite support in the project management, design, technical studies, mining engineering, research and development fields. Our sheer depth of knowledge, onsite operational experience, technical expertise, and research and innovation skills set us apart from our competitors.

CoalGAS is unique in that it is a boutique consultancy service – when you deal with CoalGAS you deal directly with Dennis. This ensures your needs are subject to his exacting standards, and attention to detail, from first contact to delivery of your final report.

Specialists in the field

CoalGAS has specialist experience in mining engineering, operations management, coal seam gas and underground ventilation, providing services both in Australia and globally. Our reputation for providing outstanding service and results to clients within the underground coal mining and coal seam gas (CSG) industries precedes us. CoalGAS also provides ventilation and gas management system design services to underground tunnel and civil excavation projects.

We welcome the opportunity to confidentially discuss your current or proposed coal mining, underground excavation, mine and tunnel ventilation, and coal seam gas requirements.

Contact us to discuss the services and value we can offer to your operations and projects.



Dennis Black, Principal Consultant

PhD, B.Eng(Mining)(Hons), Grad. Dip. (Mine Ventilation), MAusIMM(CP), RPEQ, MSPE, MMAA

Dennis is an experienced mining engineer and manager. He has extensive technical, operations and project management experience in underground and open cut coal mines.

In addition to his Bachelor of Mining Engineering degree, Dennis has a doctoral degree (PhD) in Coal Seam Gas Management and Gas Drainage Improvement, as well as post graduate qualifications in Coal Mine Operations, Business Management, Mine Ventilation and Auditing. Adding to his expertise, Dennis also has training and experience in OH&S and Mines Rescue and holds statutory coal industry qualifications for Mine Manager, Undermanager, Deputy, and Ventilation Officer. Dennis is an Honorary Fellow at the University of Wollongong and has active research projects in the coal seam gas and outburst risk area, giving him leading edge knowledge in this field. His regular attendance at mine and project sites ensures he maintains his operational and industry currency.

With such a broad range of knowledge and experience, Dennis can provide a full spectrum of services from day-to-day technical and operational support (both on site and offsite) including locum/relief services for your operational, engineering/technical and management staff, through to providing detailed technical studies and investigations, project management and research services.

Statutory Qualifications

CoalGAS has a comprehensive understanding of the statutory requirements that impact mines. To ensure that your project or problem is handled with regulations in mind, Dennis has attained the following statutory qualifications:

  • Auditor of Mine Ventilation Arrangements – Licence No. MLA120523
    (NSW Coal Mine Health and Safety Regulation, 2006)
  • Mine Manager’s Certificate of Competency
  • Mine Undermanager’s Certificate of Competency
  • Mine Deputy’s Certificate of Competency
  • Shotfirers Licence


  • Honorary Fellow at the University of Wollongong
  • Member of the Australasian Institute of Mining and Metallurgy
  • Chartered Professional Engineer – MAusIMM(CP)
  • Registered Professional Engineer – Mining
  • Member of Society of Petroleum Engineers
  • Member of Mine Managers Association of Australia