Subsurface Studies & Consulting Services

Together with our partners DeGolyer & Macnaughton, Xair provides a wide range of subsurface services ranging from full scale field development plans to reservoir certification.

As the leading independent consulting firm focused on the petroleum industry, DeGolyer and MacNaughton provides unbiased and informed answers to clients worldwide. D&M skillfully blends energy economics, engineering, and the earth sciences to help clients in more than 100 countries make the smartest decisions regarding exploration, recovery, and management of oil and gas resources.

The firm’s services include unconventional resources consulting, unconventional resources assessments, reserves consulting, reservoir modeling, geologic and petrophysical analyses, competent person’s reports, development planning, production enhancement consulting, guidance with financial reporting issues, and financial forecasting for petroleum discoveries.