Worldwide Petroleum Consulting
Thomas J. Marusa

Thomas J. Marusa

Thomas J. Marusa
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Thomas J. Marusa joined DeGolyer and MacNaughton in 1996, bringing extensive experience in seismic acquisition and analysis, which he uses in the evaluation of international oil and gas properties. Prior to working for D&M, he worked for Mobil Oil.

Marusa graduated from Oklahoma State University in 1978 with a bachelor’s degree in agricultural business. In 1992, he earned an M.B.A. degree in business management from the University of Dallas. Marusa is a member of the Society of Petroleum Engineers and was elected a Vice President at D&M in 2007.

Geographical Experience

  • Algeria
  • Australia
  • Azerbaijan
  • Congo
  • Ecuador
  • Egypt
  • Kazakhstan
  • Kuwait
  • Mozambique
  • Nigeria
  • Qatar
  • Russia
  • Sudan
  • Turkmenistan
  • Ukraine
  • Uzbekistan
  • Yemen

Topical Areas of Expertise

  • Fair market analysis
  • Russian and FSU fiscal systems
  • Cash-flow analysis
  • Economic modeling
  • Reporting and regulatory guidelines

Major Projects
Marusa has completed reserves evaluations, including foreign taxation of petroleum interests, for major Russian petroleum companies and their multiple subsidiaries. This includes evaluating the capital expenses, operating conditions, and fiscal policies that influence the value of each field, and examining the cash flows that are gathered from a client’s existing or proposed oil and gas projects.

He has worked with many Russian companies and has developed a superior understanding of Russian oil and gas laws. His extensive experience with projects in the FSU countries has also contributed to his understanding of oil and gas laws in these countries.

He has contributed to evaluations that have established the fair market value for various petroleum assets and which have assisted international oil and gas companies in their initial filings for American and foreign financial markets.