TotalEnergies Launches Production at Ballymore Deepwater Oil Field TotalEnergies and Chevron have commenced oil and gas production at the Ballymore deepwater field in the U.S. Gulf of Mexico. The project, tied to existing infrastructure, adds nearly 30,000 barrels of oil equivalent per day to TotalEnergies, supporting its strategy of low-cost, low-emission hydrocarbon growth in 2025.123