Litigation & Expert Witness


MHA has assisted our clients in numerous litigation, regulatory and arbitration hearings, both inside the U.S. and worldwide.  We possess the technical skills and presentation abilities required for success in these situations.  Our ability to clearly communicate the results of our technical analyses allows us to present a view that is consistent with the available data and that can be rigorously defended.

MHA’s experts are licensed professional engineers and certified professional geologists in numerous states including California, Colorado, Oklahoma, Utah, Texas and Wyoming.

MHA principals have been serving as expert witnesses both domestically and internationally for over 20 years, and have made appearances as an Expert before the following regulatory bodies:

  • Utah Department of Natural Resources
  • Idaho Department of Lands Oil and Gas Conservation Commission
  • Colorado Oil and Gas Conservation Commission
  • Illinois Commerce Commission
  • Montana Board of Oil and Gas
  • New Mexico Oil and Gas Commission
  • North Dakota Industrial Commission
  • Texas Railroad Commission
  • Texas Air Quality Control Board
  • West Virginia Oil and Gas Commission
  • Wyoming Oil and Gas Commission
  • Northern Territory Department of Minerals and Energy (Australia)
  • Western Australia Department of Minerals and Energy (Australia)
  • Department of Energy and Climate Change (UK)

In addition, MHA staff have prepared expert reports and formal testimony for litigation in the following jurisdictions:

  • Supreme Court of South Australia
  • International Chamber of Commerce
  • High Court of Justice, Queen’s Bench Division, London
  • Legal Arbitration, New Zealand, Arbitration Act 1996
  • U.S. Court of Federal Claims
  • U.S. District Court, Colorado
  • U.S. District Court, Kansas
  • U.S. District Court, Montana
  • U.S. District Court, North Dakota
  • U.S. District Court for Western District of Oklahoma
  • U.S. District Court, Wyoming
  • Circuit Court, County of Buchanan, Virginia
  • Parish of Beauregard, Louisiana