Worldwide Petroleum Consulting
Thomas G. D’Ortona

Thomas G. D’Ortona

Thomas G. D’Ortona
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Thomas G. D’Ortona joined DeGolyer and MacNaughton in 2012 as a petroleum engineer. His focus is working in the estimation of reserves and contingent resources in the Europe/Africa Division. Prior to working for D&M, D’Ortona worked at the University of Texas at Austin as a member of the research lab staff in the Center for Petroleum and Geosystems Engineering, where he specialized in chemical EOR methodologies.

D’Ortona graduated from the University of Texas at Austin with a bachelor’s degree in petroleum engineering in 2011. D’Ortona is a member of the Society of Petroleum Engineers.

Geographical Experience

  • Algeria
  • Angola
  • Austria
  • Cameroon
  • Congo
  • Denmark
  • Ethiopia
  • France
  • Italy
  • Ivory Coast
  • Mozambique
  • Nigeria
  • Norway
  • Oman
  • Romania
  • Turkey
  • United Kingdom
  • Vietnam

 Topical Areas of Expertise

  • Chemical flooding
  • Probabilistic analysis
  • Waterflooding
  • Secondary recovery methods

 Major Projects

D’Ortona has estimated reserves using a variety of techniques, including various material-balance methods, decline-curve analysis, probabilistic analysis, and volumetric estimation. He has used these methods to estimate reserves in both gas and oil fields with a wide variety of drive mechanisms and production schemes, such as water injection fields, gas storage fields, gas injection fields, and depletion fields.