A flag flies in front of a building of Norway's Safe labour union in Stavanger, Norway, August 9, 2021. Picture taken August 9, 2021. REUTERS/Nerijus Adomaitis 

Offshore oil and gas platform supply vessels (PSVs) are docked at a pier in Stavanger, Norway, August 10, 2021. Picture taken August 10, 2021. REUTERS/Nerijus Adomaitis 

Offshore oil and gas platform supply vessels (PSVs) are docked at a pier in Stavanger, Norway, August 10, 2021. Picture taken August 10, 2021. REUTERS/Nerijus Adomaitis 

A woman walks past a building in the city of Stavanger, Norway, August 10, 2021. Picture taken August 10, 2021. REUTERS/Nerijus Adomaitis 

An employee of Norway's battery start-up Beyonder works, in Stavanger, Norway, August 9, 2021. Picture taken August 9, 2021. REUTERS/Nerijus Adomaitis 

Svein Kvernstuen, the founder and chief executive of Norway's battery startup Beyonder, poses for a photo at the company's research centre in Stavanger, Norway, August 9, 2021. Picture taken August 9, 2021. REUTERS/Nerijus Adomaitis 

An offshore oil and gas platform supply vessel (PSV), equipped with a battery pack, is docked at a pier in Stavanger, Norway, August 9, 2021. Picture taken August 9, 2021. REUTERS/Nerijus Adomaitis 

A flag flies in front of the NorSea Group office in Stavanger, Norway, August 9, 2021. Picture taken August 9, 2021. REUTERS/Nerijus Adomaitis 

An employee of Norway's battery start-up Beyonder works, in Stavanger, Norway, August 9, 2021. Picture taken August 9, 2021. REUTERS/Nerijus Adomaitis 

Svein Kvernstuen, the founder and chief executive of Norway's battery start-up Beyonder, holds a battery cell at the company's research centre in Stavanger, Norway, August 9, 2021. Picture taken August 9, 2021. REUTERS/Nerijus Adomaitis 

John Egil Stangeland, chief executive of NorSea Group, speaks at his office in Stavanger, Norway, August 9, 2021. Picture taken August 9, 2021. REUTERS/Nerijus Adomaitis 

An offshore oil and gas platform supply vessel is docked at a pier in Stavanger, Norway, August 9, 2021. Picture taken August 9, 2021. REUTERS/Nerijus Adomaitis 

A restaurant decorated with Christmas light installations is seen in Stavanger, Norway December 5, 2019. REUTERS/Ints Kalnins 

A restaurant decorated with Christmas light installations is seen in Stavanger, Norway December 5, 2019. REUTERS/Ints Kalnins 

A street musician wears Santa Clauss outfit in Stavanger, Norway December 5, 2019. REUTERS/Ints Kalnins 

A general view of Stavanger, Norway December 5, 2019. REUTERS/Ints Kalnins 

A general view of Stavanger, Norway December 5, 2019. REUTERS/Ints Kalnins 

A general view of Stavanger, Norway December 5, 2019. REUTERS/Ints Kalnins 

A general view of Stavanger, Norway December 5, 2019. REUTERS/Ints Kalnins 

Equinor's flag flutters next to the company's headqurters in Stavanger, Norway December 5, 2019. REUTERS/Ints Kalnins 

Equinor's headquarters are pictured in Stavanger, Norway December 5, 2019. REUTERS/Ints Kalnins 

Equinor's logo is seen next to the company's headquarters in Stavanger, Norway December 5, 2019. REUTERS/Ints Kalnins 

Equinor's headquarters are pictured in Stavanger, Norway December 5, 2019. REUTERS/Ints Kalnins 

Equinor's flag flutters next to the company's headqurters in Stavanger, Norway December 5, 2019. REUTERS/Ints Kalnins 

Equinor's logo is seen at the company's headquarters in Stavanger, Norway December 5, 2019. REUTERS/Ints Kalnins 

Equinor's flags flutter next to the company's headqurters in Stavanger, Norway December 5, 2019. REUTERS/Ints Kalnins 

Equinor's logo is seen next to the company's headquarters in Stavanger, Norway December 5, 2019. REUTERS/Ints Kalnins 

The ship is moored in the port in Stavanger, Norway December 5, 2019. REUTERS/Ints Kalnins 

Ships are moored in the port in Stavanger, Norway December 5, 2019. REUTERS/Ints Kalnins 

Supply vessel Island Commander is moored in the port in Stavanger, Norway December 5, 2019. REUTERS/Ints Kalnins 

A woman walks past DNB bank branch in Stavanger, Norway December 5, 2019. REUTERS/Ints Kalnins 

People pass DNB bank branch in Stavanger, Norway December 5, 2019. REUTERS/Ints Kalnins 

People walk past DNB bank branch in Stavanger, Norway December 5, 2019. REUTERS/Ints Kalnins 

People walk past DNB bank branch in Stavanger, Norway December 5, 2019. REUTERS/Ints Kalnins 

A DNB bank sign is seen on the bank's branch in Stavanger, Norway December 5, 2019. REUTERS/Ints Kalnins 

A view of ocean water in Stavanger, Norway, July 30, 2018. Picture taken July 30, 2018. To match Special Report OCEANS-TIDE/FUTURE REUTERS/Clodagh Kilcoyne 

A lifebuoy is seen in front of boats in Stavanger harbour, Norway, August 1, 2018. Picture taken August 1, 2018. To match Special Report OCEANS-TIDE/FUTURE REUTERS/Clodagh Kilcoyne 

(L to R) Norwegian Petroleum and Energy Minister Terje Soeviknes, Aker BP CEO Karl Johnny Hersvik, and Wintershall CEO Mario Mehren attend the Offshore Northern Seas (ONS) Conference in Stavanger, Norway August 28, 2018. Picture taken August 28, 2018. REUTERS/Gwladys Fouche 

Taxi driver Atif Nisar poses for a picture in Stavanger, Norway August 28, 2017. Picture taken August 28, 2017. REUTERS/Gwladys Fouche 

Guests at Renaa Matbaren restaurant in Stavanger, Norway August 28, 2017. Picture taken August 28, 2017. REUTERS/Gwladys Fouche 

Solveig Horne of Progress Party (L to R), Bent Hoie of Conservatives party and Knut Arild Hareide of Christian Democratic party attend political debate in Stavanger, Norway August 27, 2017. Picture taken August 27, 2017. REUTERS/Gwladys Fouche 

A general view of the harbour in Stavanger, Norway August 27, 2017. Picture taken August 27, 2017. REUTERS/Gwladys Fouche 

Head of Norwegian Petroleum Directorate Bente Nyland poses for a picture outside her office in Stavanger, Norway, August 24 2016. REUTERS/Stine Jacobsen 

Norwegian Petroleum Directorate building is pictured in Stavanger, Norway, August 24 2016. REUTERS/Stine Jacobsen 

Head of Norwegian Petroleum Directorate Bente Nyland poses for a picture outside her office in Stavanger, Norway, August 24 2016. REUTERS/Stine Jacobsen 

Oil and gas company Statoil gas processing and CO2 removal platform Sleipner T is pictured in the offshore near the Stavanger, Norway, February 11, 2016. REUTERS/Nerijus Adomaitis/File Photo

Oil and gas company Statoil gas processing and CO2 removal platform Sleipner T is pictured in the offshore near the Stavanger, Norway, February 11, 2016. REUTERS/Nerijus Adomaitis/File Photo

Oil and gas company Statoil gas processing and CO2 removal platform Sleipner T is pictured in the offshore near the Stavanger, Norway, February 11, 2016. REUTERS/Nerijus Adomaitis/File Photo 

Oil and gas company Statoil rise facility Sleipner R is pictured in the offshore near the Stavanger, Norway, February 11, 2016. REUTERS/Nerijus Adomaitis/File Photo 

Oil and gas company Statoil gas processing and CO2 removal platform Sleipner T is pictured in the offshore near the Stavanger, Norway, February 11, 2016. Picture taken February 11, 2016. REUTERS/Nerijus Adomaitis 

Oil and gas company Statoil gas processing and CO2 removal platform Sleipner T is pictured in the offshore near the Stavanger, Norway, February 11, 2016. Picture taken February 11, 2016. REUTERS/Nerijus Adomaitis 

Visitors leave a helicopter at the oil and gas company Statoil drilling and accommodation platform Sleipner A in the offshore near the Stavanger, Norway, February 11, 2016. Picture taken February 11, 2016. REUTERS/Nerijus Adomaitis 

Oil and gas company Statoil drilling and accommodation platform Sleipner A is pictured in the offshore near the Stavanger, Norway, February 11, 2016. Picture taken February 11, 2016. REUTERS/Nerijus Adomaitis 

Oil and gas company Statoil drilling and accommodation platform Sleipner A is pictured in the offshore near the Stavanger, Norway, February 11, 2016. Picture taken February 11, 2016. REUTERS/Nerijus Adomaitis 

Oil and gas company Statoil gas processing and CO2 removal platform Sleipner T is pictured in the offshore near the Stavanger, Norway, February 11, 2016. Picture taken February 11, 2016. REUTERS/Nerijus Adomaitis 

Oil and gas company Statoil gas processing and CO2 removal platform Sleipner T is pictured in the offshore near the Stavanger, Norway, February 11, 2016. Picture taken February 11, 2016. REUTERS/Nerijus Adomaitis 

Lifesaving suits are seen in the the Stavanger helicopter airport, Norway, February 11, 2016. Picture taken February 11, 2016. REUTERS/Nerijus Adomaitis 

European Commission vice president for energy Maros Sefcovic (2nd L) listens to platform manager Ole Christian Willumsen (L) at the oil and gas firm Statoil drilling and accommodation platform Sleipner A in the offshore near the Stavanger, Norway, February 11, 2016. Picture taken February 11, 2016. REUTERS/Nerijus Adomaitis 

Oil and gas company Statoil gas processing and CO2 removal platform Sleipner T is pictured in the offshore near the Stavanger, Norway, February 11, 2016. Picture taken February 11, 2016. REUTERS/Nerijus Adomaitis