Consultoria Mundial de Petróleo e Gás
Stefan R. Krystosik

Stefan R. Krystosik

Stefan R. Krystosik
Senior Engineer, Vice President
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Stefan R. Krystosik joined DeGolyer and MacNaughton in 2006 specializing in reservoir engineering and oil and gas property evaluation.

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. 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. He is a licensed professional engineer in Texas. 

Geographical Experience

  • Algeria
  • Azerbaijan
  • China
  • 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 carried out reserves estimations and economic evaluations of oil and gas fields worldwide. He has estimated oil and gas reserves and contingent 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 seminars for multinational oil companies and government associations in SEC reserves compliance and SPE reserves estimations guidelines.

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.