September 27, 2024 [Storage Terminals Magazine]- DNO ASA, the Norwegian oil and gas operator, has successfully completed a second well delineating the 2023 Heisenberg oil and gas discovery in Norwegian North Sea licence PL827SB. The well encountered a six-meter oil-filled Eocene sandstone reservoir, confirming the estimated volume of the Heisenberg discovery at 24 to 56 million barrels of oil equivalent, with a mean of 37 MMboe.

The licence partnership, which includes DNO Norge AS (holding a 49 percent stake) and operator Equinor Energy AS, is evaluating the potential for a tieback of Heisenberg to nearby infrastructure. This could be coordinated with the development of other recent discoveries in the prolific area surrounding the Troll and Gjoa production hubs, where DNO holds a strong position.

Earlier in 2023, DNO’s Cuvette discovery (DNO 20 percent) marked the company’s eighth find in the region since 2021, following discoveries at Rover Nord, Kveikje, Ofelia, Rover Sor, Heisenberg, Carmen, and Kyrre. These discoveries in the Troll-Gjoa area represent the largest share of DNO’s contingent resources in the North Sea, which totaled 132 million barrels of oil equivalent at the end of 2023.

As one of the most active explorers in the North Sea, DNO recently began drilling operations at Falstaff (DNO 50 percent and operator), with drilling at Ringand (DNO 20 percent) expected later in the autumn. Additionally, in early September, DNO submitted one of the largest applications in its history for the upcoming APA 2024 licencing round, with awards expected in the first quarter of 2025.

The Angel exploration prospect, the main target of the PL827SB well, was found to be primarily water-wet, though the well did encounter non-commercial volumes of gas.

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