[Norway] Oil and gas discovery close to North Sea Fram field

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[Norway] Oil and gas discovery close to North Sea Fram field

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September 29, 2020 08:36 CEST | Last modified September 29, 2020 08:52 CEST

Equinor and its licence partners Petoro AS and Wellesley Petroleum AS have found oil and gas in the Swisher prospect. Recoverable resources are estimated to be in the range of 2-6 million standard cubic metres of oil equivalent, corresponding to 13-38 million barrels of oil equivalent.
“We are working continuously on keeping an exploration portfolio that forms the basis for high value creation and in addition can be produced with a low carbon footprint. This discovery contributes to reaching this goal,” says Nick Ashton, Equinor’s senior vice president for exploration in Norway.

Wells 35/11-24 S, 35/11-24 A and 35/11-24 B were drilled around 7 kilometres west of the Fram field and 130 kilometres northwest of Bergen.

The discovery demonstrates the importance of continuous learning. Based on investment in new data and exploration wells that Equinor drilled last year, we have developed new understanding of the underground in one of the most mature and developed areas on the Norwegian continental shelf (NCS).

“This strongly indicates that it is still possible to prove new and profitable resources that can utilise existing infrastructure on the NCS,” says Ashton.

The purpose of the wells was to prove petroleum in the Upper Jurassic rocks of the Heather formation.

Well 35/11-24 S encountered a hydrocarbon column totalling 42 metres in sandstone layers in the Heather formation, of which 21 metres interval were gas and 7 metres in sandstone of mainly moderate to good reservoir quality and 21 metres interval were oil and 17 metres in sandstone of good to moderate reservoir quality.

Well 35/11-24 A encountered a total gas column of 25 metres and up to 6 metres in moderate quality sandstone in the Heather formation. Well 35/11-24 B encountered an oil column of minimum 3 metres in good-quality sandstone in the Heather formation.

The wells were not formation-tested, however extensive data acquisition and sampling were carried out. All wells were concluded in the Heather formation from the Late Jurassic epoch at a depth of 3000-3600 metres. Water depth in the area is 356 metres. The wells have been permanently plugged and abandoned.

The licensees will evaluate the discovery for a potential tie-in to existing infrastructure in the area.

The wells were drilled by the West Hercules drilling rig, which will proceed to drill wildcat well 6407/1-8 S in the Apollonia prospect in production licence 263 D in the Norwegian Sea.

More about Fram oil field

The Fram oil finds in the North Sea comprise the Fram Vest and Fram Øst fields.
The fields are located about 20 kilometers north of the Troll field at a depth of approximately 350 meters.
Both field developments consist of subsea installations connected via pipelines to the Troll C platform. The well streams from the fields are processed on this platform.

FRAM VEST
The Norwegian government approved the plan for the development of the Fram Vest field on March 23, 2001, and production started on October 2, 2003.

Fram Vest is developed with two four-well subsea templates, and the field will produce for 15 years. The plateau production rate from January 1, 2004 is just over 60,000 barrels of oil a day.

The gas is reinjected into the Fram Vest reservoir as pressure support, while the oil is transported to the Mongstad refinery through Troll Oil Pipeline II.

The development costs for the Fram Vest field were NOK 3.6 billion.

FRAM ØST
The Norwegian government approved the plan for the development of the Fram Øst field on April 22, 2005, and production commenced on October 30, 2006.

Like Fram Vest, this field is developed with two four-well subsea templates. The production is exported through Troll Pipeline II to Mongstad.

Produced water from Troll C will be used as pressure support in the Fram Øst reservoir. This contributes to significant positive environmental gains through reductions in emissions to the sea in the Troll field.

Fram Øst has also been developed to enable it to utilize gas from Troll C for injection, to increase recovery rates from the wells.

The development costs for the Fram Øst field were NOK 2.4 billion.

FRAM H-NORD

Located north of the Fram field at a water depth of 360 meters. The production is sent to Fram Vest and then to Troll C for processing. The production started in 2014.

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Location: Block 35/11, about 120 kilometres west of Florø
Production start: 2 October 2003
Production: Oil
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