Romania has narrowed the Neptun Deep first-gas window to the first half of 2027, from a broader timetable previously associated with the €4 billion Black Sea development. The project is expected to bring about 8 bcm/year of production closer to regional gas markets. The adjustment comes as Central and Southeast Europe look for alternatives to Russian supply.
Developers OMV Petrom and Romgaz said seven of the project’s ten development wells have been completed. They added that the offshore platform and main pipeline infrastructure are already installed.
Plateau output timing and resource estimates
Plateau production is targeted by the end of the third quarter of 2027 at around 140,000 barrels of oil equivalent per day. That level is described as equivalent to roughly 8 bcm of gas annually. Recoverable resources are estimated at about 100 bcm.
Regional implications for northbound flows and exports
The tighter schedule is expected to matter beyond Romania, given the potential scale of output at plateau. Neptun Deep could produce volumes comparable with a significant share of current Romanian consumption. That would potentially free additional gas for export into Hungary, Bulgaria, Moldova, and other regional markets.
Romania is already developing as a northbound gas transit market as supplies from Greece and Bulgaria move toward Central Europe. New domestic production would strengthen that role and reduce reliance on imported gas. The key commercial question will be how much of Neptun Deep is absorbed domestically versus how much reaches neighbouring markets.
Execution focus: wells, infrastructure, and first-gas delivery
The project is moving from development risk toward execution risk as progress shifts to delivering first gas on schedule. With most wells completed and major offshore infrastructure installed, remaining work centers on ramping output quickly enough to influence regional supply by winter 2027-28.
Pacing toward that winter period will depend on pipeline capacity, storage availability, and long-term sales contracts. These factors are expected to shape how volumes are allocated between domestic consumption and cross-border deliveries.








