Report summaryProduction has ceased from the Alison and Ann fields. Approval was given by the UK Oil and Gas Authority (OGA) for cessation of production (COP) in December 2015 for Ann and January 2016 for Alison.The Ann gas field was developed using a subsea template controlled via an 18 kilometre long umbilical from the Centrica-operated Audrey ‘B’ platform to the south. Production started in October 1993 through two horizontal subsea wells. Gas was transported via a 40 kilometre long ...
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