London — Norwegian natural gas deliveries into the UK National Transmission System were lower Wednesday due to an unplanned field outage, Norwegian gas operator Gassco reported Wednesday.
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Production from fields that send gas to the St Fergus complex on Scotland's east coast through the Entry SEGAL Pipeline System was set to be reduced by 7.2 million cu m/d for Wednesday's gas day.
Flows of gas through Entry SEGAL were running at 11.2 million cu m/d early Wednesday afternoon after having been down at 5.4 million cu m/d Wednesday morning -- flows averaged 22 million cu m/d during Tuesday's gas day, Gassco data showed.
Planned works affecting the same fields were altered on Wednesday afternoon with works now planned to reduce production by 8 million cu m/d on October 17, by 12 million cu m/d on October 23, and by 7 million cu m/d on October 29, Gassco said.
Further ahead, annual maintenance at the Gullfaks field has been pushed back by three weeks and is now due to take place between November 28-30 after having been originally scheduled for November 7-9. The volume impact of 9 million cu m/d during the work was unchanged.
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