Worldwide Petroleum Consulting
Dr. John W. Hornbrook

Dr. John W. Hornbrook

Dr. John W. Hornbrook
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Dr. John W. Hornbrook is Senior Vice President and Manager of the Reservoir Studies Division of DeGolyer and MacNaughton. Prior to joining D&M in 2002, he worked with one of the world’s largest petroleum corporations and then with a consulting firm on a variety of domestic and international projects.

Hornbrook received a bachelor’s degree in petroleum engineering from the University of Tulsa in 1986. From Stanford University he earned a master’s degree in 1991 and a doctorate in 1994 in petroleum engineering. He received numerous educational honors and has contributed technical articles to industry journals and educational publications. Among his professional affiliations, Hornbrook is a member of the Society of Petroleum Engineers, serves as technical editor for the “SPE Reservoir Evaluation & Engineering” magazine, and is a registered professional engineer in the State of Texas.

Geographical Experience

  • Alaska
  • Algeria
  • Australia
  • Brazil
  • Colombia
  • Gulf of Mexico
  • Kuwait
  • Nigeria
  • North Sea
  • Oman
  • Peru
  • East and West Siberia
  • Thailand
  • United States

Topical Areas of Expertise

  • Coalbed methane reservoirs
  • Probabilistic analysis
  • Enhanced oil recovery methodologies
  • Property evaluation
  • Field development studies
  • Well-test design
  • Heavy oil

Major Projects
For D&M, he has worked many projects in Western Siberia, ranging from reservoir modeling to improve field performance to full-field geologic and simulation modeling for field development planning. In Eastern Siberia, he has developed full-field geologic and simulation models in complex reservoirs to evaluate field development planning options and to assess subsurface uncertainty. He has also made use of integrated simulation modeling to assist with portfolio management of multiple fields across Russia and has applied geologic and simulation modeling techniques to assess reserves in complex reservoirs.

He has simulated thermal recovery processes in a heavy-oil field in Oman and has assisted with reserves assessments in that country.
He is currently responsible for management of projects around the world, including field development projects in Russia and Peru, large-scale integrated studies in Kuwait, and simulation-based studies in the Gulf of Mexico.

Prior to joining D&M, Hornbrook gained experience in development modeling in the Gulf of Mexico, the continental U.S., and the Gulf of Thailand, and he performed modeling in support of an arbitration involving a multi-reservoir field in the North Sea. With BP Exploration from 1994 to 1997, Hornbrook focused on development of the Prudhoe Bay reservoir, performing analyses for the Miscible Gas Project to determine optimal development and operational strategies.