Faroe: Fogelberg drilling a success. Tie-back planned to Asgard B

Island Innovator rig; Source: Island Offshore

Spirit Energy has successfully completed a sidetrack well (6506/9-4 A) and a production test following the drilling of the downdip appraisal well (6506/9-4 S) on Fogelberg discovery in the Norwegian Sea.

According to Faroe Petroleum, which owns a Faroe 15 percent stake in the project, the Fogelberg discovery has now been successfully appraised confirming sufficient well productivity and reservoir connectivity capable of delivering commercial rates from the planned horizontal gas producers.

The sidetrack well penetrated 58 metres of gross hydrocarbon-bearing Garn sand-rich reservoir and 87 metres of gross hydrocarbon-bearing Ile reservoir

During the DST, the well flowed at a maximum constrained and stable rate of 21 mmscf per day and condensate at 547 bpd (aggregate 4,047 boepd) on choke 22/64” for 24 hours with no signs of depletion

Fluid sampling on the rig during the DST confirmed both high quality gas and condensate and a condensate yield in the expected range. The fluid samples will also be used to refine the design basis for the planned subsea tie-back to Åsgard B

Faroe said that preliminary analysis suggests a resource range of 40-90 mmboe gross, but this has to be confirmed after the newly acquired data has been fully interpreted and incorporated into an updated Fogelberg reservoir model.

Tie-back to Asgard B

Development planning studies for the Fogelberg subsea tie-back to the Åsgard B platform are expected to start in H2 2018

The sidetrack well, located 0.8 kilometres from the initial wellbore and 1.7 kilometres from the discovery well, was drilled to a total depth of 4,497 metres, targeting the gas- and condensate-bearing Middle Jurassic Garn and Ile formations. The main objectives were to assess the productivity of the Garn Formation and to firm up the resource range for a commercial development.

Fogelberg is located 18 kilometres north of the producing Åsgard Complex, where large quantities of gas and condensate have been and continue to be produced and transported to several landing points on the European continent.

The Fogelberg appraisal well was drilled with the Island Innovator semi-submersible drilling rig, and the joint venture partners are Spirit Energy Norge AS (operator 51.7%), PGNiG Upstream Norway AS (20%) and Dyas Norge AS2 (13.3%). The appraisal well will now be plugged and abandoned as planned.

Graham Stewart, Chief Executive of Faroe Petroleum said: “We are pleased to announce the successful drill stem test at the Fogelberg sidetrack which further derisks the Fogelberg project. By the end of the year, we expect to have commenced development planning on the tieback to Åsgard B and we aim to move the 2C contingent resources to 2P reserves.

“We look forward to an exciting programme of five exploration wells in the period ahead which we expect to commence with the Faroe-operated Rungne well, which will be followed back to back with the Faroe-operated Brasse East well.”

Island Innovator to Barents Sea

Following the completion of the Fogelberg works, the Island Innovator semi-submersible rig will move to the Barents Sea.

Once there, it will drill a wildcat well in production license 852 (Scarecrow) where Spirit Energy Norge is the operator with an ownership interest of 60 percent and Aker BP is the licensee with an ownership interest of 40 percent.

The area in this license consists of block 7322/7. The well will be drilled about 70 kilometers west of 7324/8-1 (Wisting) and about 110 kilometers northeast of Johan Castberg.

Production license 852 was awarded on June 10, 2016 (23rd licensing round on the Norwegian shelf). This is the first well to be drilled in the license.

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