Oil and gas company Neptune Energy announced on Friday that it has made a new commercial discovery at the Ofelia exploration well, near the Gjøa field in the Norwegian part of the North Sea. The plan is to develop the discovery as a link to the Gjøa platform.

Neptune, the operator of the production license where the 35/6-3 S (Ofelia) exploration well is located, said it has completed drilling the Ofelia well, 35/6-3 S, and encountered oil in Agat training.

The preliminary estimate of the recoverable volume is in the range of 2.5 to 6.2 million standard cubic meters (MSm3) or 16-39 million barrels of oil equivalent (mmboe).

In addition to the Agat volumes, to the north of the well there is an upside of approximately 10 mmboe of recoverable gas in the shallower Kyrre formation, bringing the total recoverable volume to approximately 26-49 mmboe, says Neptune Energy.

Located 15 kilometers north of the operated Gjøa platform, at a water depth of 344 meters, Ofelia will be considered for development as a link to Gjøaalongside the company’s recent oil and gas discovery at Hamlet.

Managing Director of Neptune Energy for Norway and the United Kingdom, Odin Estensen, said: “I am pleased to announce our second discovery in four months, which further strengthens Neptune’s position in the Greater Gjøa region. Gjøa is an important growth area for Neptune in Norway, where existing infrastructure enables low-cost, low-carbon developments.

The Ofelia drilling program confirmed an oil/water contact at 2,639 meters total vertical depth.Gjøa platform – Credit: Neptune Energy

Agat – New geological game in Norway

Neptune said it was the company’s third discovery in the Agat Formation, “a reservoir that until recently was not part of established exploration models on the Norwegian Shelf.”

“The first was at the Duva field, which is now in service and operated by Neptune. The second was the company’s discovery at Hamlet, with recoverable volumes estimated between 8 and 24 mmboe. Together, these discoveries contribute to the opening of a new geological area in Norway and may add additional new volumes to the Gjøa facilities operated by Neptune,” Neptune said.

director of exploration and development of Neptune Energy in Norway, Steinar Melandadded: “The Ofelia discovery underscores the strength of our exploration strategy and confirms the strong exploration potential of the area around Gjøa, where we have several other exciting exploration opportunities.”

Neptune Energy operates the PL 929 production license with and owns a 40% interest. The partners are Wintershall Dea (20%), Aker BP ASA (formerly Lundin Energy) (10%), Pandion Energy (20%) and DNO (10%).

Ofelia was drilled by the Deepsea Yantai, a semi-submersible drilling rig owned by CIMC and operated by Odfjell Drilling. The water depth is 344 meters and the well will be permanently plugged and abandoned.

The Deepsea Yantai is now moving on to drilling the wild well 6608/1-1 S in the Norwegian Sea production license 1017, where PGNiG Upstream Norway AS is the operator.

Credit: NDP

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