The top ten Bakken operators ranked by gross operated production include the normal list of companies. Whiting Petroleum edged out Continental Resources by a mere 15 b/d to claim top operated in December of 2012:
- Whiting Petroleum
- Continental Resources
- Hess
- Statoil
- EOG Resources
- ExxonMobil (XTO)
- Marathon Oil
- Petro-Hunt
- Slawson Exploration
- Kodiak Oil & Gas