Oil and gas company EnQuest has achieved a milestone in the decommissioning of the Heather asset located in the UK North Sea following the award of a topside removal contract.

EnQuest revealed on Friday that the Heather asset topsides removal contract has been awarded to Allseas , the owner and operator of what is said to be the world’s largest and most sophisticated heavy lift construction vessel, Pioneering Spirit . The award follows an intensive period of evaluation, negotiation, and clarification.