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Illuminated Römerberg 10 drilling rig at dusk

Römerberg 10 successfully put into production

Speyer, 9 February 2026
BaseErdölförderung Römerberg/Speyer

The consortium consisting of Palatina GeoCon and Neptune Energy has successfully drilled and tested the Römerberg 10 well at Clusterplatz II on Franz-Kirrmeier-Straße in the north-east of Speyer. The initial results show promising quantities of oil. The partners are thus continuing their investment in the site.

“Every well is unique and requires precise technical preparation,” says Horst Prei, Head of Operations Hub South at Neptune Energy. “We are very satisfied that everything has progressed according to plan.”

Synergy 2 drilling rig on the Römerberg site
Aerial view of the site with drilling rig, tanks and pipe storage

Positive test results

Drilling work began at the end of October last year. The drilling phase lasted around three months until the reservoir was reached at around 2,500 metres. The well was then fitted with a production string and tested for the first time. "In this step, we check how much oil can be produced from the well," explains Jürgen Siewerth, authorised representative at Palatina GeoCon. "Only then do we temporarily close the well and dismantle the drilling rig. Once the site has been cleared, we connect the well to the existing production facilities."

The initial test results have exceeded expectations. "The data is promising," emphasises Prei, adding: "We are now observing how stable the production rate develops. However, we will only be able to make reliable statements about the long-term production rate after a few weeks."

In recent months, the daily extraction rate has been around 300 tonnes, as the operation is currently in a phase of technical optimisation. The consortium expects a significant increase with the commissioning of Römerberg 10.

Next steps

Once the work has been completed, planning will begin for the follow-up wells Römerberg 11 and 13, for which technical preparations are already underway and implementation is scheduled for 2027. The consortium is also modernising the existing crude oil processing facilities with larger storage tanks without the need for additional space.

About Neptune Energy

Neptune Energy is one of the leading raw materials companies in Germany. With over 135 years of experience, we secure supplies for industry and society. Our goal: Today we produce what counts tomorrow. Around 480 employees in many regions of Germany and at our headquarters in Hanover are involved in three key areas of activity

Base - Gas & Oil: safe and reliable production of domestic energy raw materials

Balance - Plugging and abandonment: taking responsibility for the past and restoring nature

Boost - New Energy: actively shaping the future, for example with lithium from Germany

This is how we combine experience with progress. Neptune Energy's revenue in the 2024 financial year was €440 million. The total annual production of gas and oil was 5.5 million barrels of oil equivalent (boe).

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Silke Bender

Corporate Communications


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