The UK supermajor revealed the sanction date for the 28-­kilometre subsea tieback — part of the Andrew Area Development — is now expected towards the back end of the first quarter instead of late this year.

A BP spokesman said more time was needed to carry out definition work for the topsides module that will eventually be installed on the Andrew platform, which is 230 kilometres north-east of Aberdeen in blocks 16/27a and 16/28 of the central North Sea.

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