Petroleum Consulting from Discovery to Recovery

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: resources assessments, reserves consulting, reservoir modeling, geologic and petrophysical analyses, development planning, guidance with financial reporting issues, and financial forecasting for petroleum discoveries.

To contact D&M about an engagement or tender, send an email to



Citrine Field Production Analysis Module

Kappa Engineering, in collaboration with DeGolyer and MacNaughton, has released a new module that enables the rapid loading of mass public, client,  or simulation sources for the processing of multi-well data. Particularly suited to unconventional plays, Citrine uses visualization trend identification and multi-well comparison to enable users to fully understand and interpret field performance using diagnostics and decline curve analysis.  Learn more.