Gustavson Associates has over 30 years of experience in providing oil and gas expert witness testimony services and report writing for issues ranging from mineral ownership disputes and shareholder value to mineral estate tax basis resolution.

Expert witness testimony for oil, gas, and mineral legal and regulatory cases

With over 30 years of international experience in engineering, geology, economics, appraisal, and oil and gas consulting, our expert witness testimony services at Gustavson Associates are frequently called upon to offer expert testimony and opinions  on oil and gas and mineral related issues.

Gustavson’s Expert Witnesses have testified in court proceedings and commission hearings on many types of oil and gas related legal and regulatory cases, including:

  • Ad Valorem tax
  • Bankruptcy
  • Civil litigation
  • Contract disputes
  • Disputes over taxes, such as natural resource taxes
  • Easement disputes
  • Eminent domain cases
  • Tax disputes
  • Marital estate and divorce
  • Mineral interest disputes
  • Production sharing agreements
  • Royalty interest disputes
  • Shareholder and class action lawsuits
  • U.S. Security and Exchange Commission (SEC) disputes

To discuss your expert witness needs, contact Gustavson at (303) 443-2209 or

Why select Gustavson Associates as an expert witness?

Gustavson Associates’ expertise in geology, geophysics, fair market appraisal, economics, and engineering provides powerful support in legal matter involving oil and gas and mineral issues .

Our firm’s in-depth knowledge of oil and gas issues in the United States and internationally enables us to skillfully support our clients through expert witness litigation.

Expert witness services for oil and gas cases

Gustavson specializes in the following types of expert witness services for oil and gas and mineral proceedings:

  • Damages and/or a damage assessment
  • Lost business opportunity/Qualified Person technical report
  • Forensic valuation of mineral assets
  • Appraisals, including fair market appraisals of oil and gas properties
  • Litigation consultation and support
  • Market research and economics
  • Reserve estimates and financial forecasts
  • Appraisal of Royalty interests

Speak with an oil and gas expert witness

To explore how Gustavson’s scientists, engineers or financial experts can provide testimony or technical input for your legal or regulatory needs, call (303) 443-2209 or write