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Stefan R. Krystosik

Stefan R. Krystosik

Stefan R. Krystosik
Senior Vice President, Division Manager of Central Europe/Asia
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Stefan R. Krystosik joined DeGolyer and MacNaughton in 2006 and has over 22 years of oil and gas experience, specializing in reservoir engineering and oil and gas property evaluation. Krystosik is Division Manager of the firm’s Central Europe Asia Division.

He graduated from Texas A&M University in 2001 with a bachelor’s degree in petroleum engineering and from Southern Methodist University in 2005 with a Master of Business Administration specializing in corporate finance. A member of the Society of Petroleum Engineers and the Society of Petroleum Evaluation Engineers, he became a Vice President of D&M in 2009 and a Senior Vice President in 2023. He is a licensed professional engineer in Texas.

 Geographical Experience

  • Algeria
  • Azerbaijan
  • China
  • India
  • Kazakhstan
  • Poland
  • Russia
  • Saudi Arabia
  • Turkmenistan
  • Ukraine
  • Uzbekistan
  • United States (Texas, Mid-Continent, Gulf Coast, and West Coast)
  • Vietnam

Topical Areas of Expertise

  • Fair market value appraisals
  • Gas-deliverability modeling
  • Material-balance calculations
  • Pressure maintenance
  • Production forecasting
  • Volumetric estimations
  • Waterflood projects
  • Economic modeling

Major Projects

Krystosik has considerable experience with preparing hydrocarbon reserves and contingent resources assessments and economic evaluations worldwide. He has estimated oil and gas resources using such standard engineering methods as volumetrics, material balance, and historical production analysis. He has worked on projects implementing fractional flow forecasting and reservoir simulation of geocellular models. He has evaluated reserves and contingent resources for a variety of oil and gas reservoirs, many of which have used secondary recovery techniques such as steam flood, waterflood, and pressure maintenance recovery methods.

He has coordinated and conducted in-house training, seminars, and workshops for multinational oil companies and government associations in SEC reserves compliance, the PRMS, and other industry-utilized systems.

Prior to joining D&M, Krystosik carried out evaluations of reserves and project economics of oil and natural gas properties in major producing areas of Texas, Oklahoma, Kansas, and California. He performed a variety of valuation assignments, including fair market value appraisals, ad valorem tax appraisals, asset sales allocations, and business and stock valuations. He performed annual inspections of cryogenic facilities, gas plants, fractionation facilities, lean oil facilities, and gas storage sites.