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Neptune eyes P1 appraisal

Planned probe to be drilled at Gjoa satellite off Norway to determine possible new production well

Neptune Energy aims to drill a fresh appraisal well later this year in connection with the development of the P1 satellite at its Gjoa field off Norway.

The 35/9-15 probe will be drilled by semi-submersible Deepsea Yantai in Neptune-operated production licence 153 that hosts the field in the northern North Sea, with an earliest spud date of 1 November and estimated duration of 60 days, according to an application filed with the Environment Agency.

The planned well, including sidetrack 35/9-15A, is intended to gather more reservoir data on the margin of the P1 North structure as a basis for decision-making on a possible third oil production well. The operation will also entail drilling of a pilot hole to determine the presence of gas before drilling the main well.

Neptune aims to exploit 32 million barrels of recoverable oil resources at P1 that is being developed in tandem with the Duva satellite, both as subsea tie-backs to its operated Gjoa platform.

The British operator intends to drill a total of six production wells to tap both fields, having gained the green light from the authorities for a Nkr10 billion ($1.16 billion) development plan earlier this summer.

P1 is due on stream by the end of 2020, and Duva, in Neptune-operated PL636, is set for start-up in the first quarter of 2021.

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